id sid tid token lemma pos 6108v982v3t 1 1 non non ADJ 6108v982v3t 1 2 - - ADJ 6108v982v3t 1 3 innocent innocent ADJ 6108v982v3t 1 4 ligands ligand NOUN 6108v982v3t 1 5 can can AUX 6108v982v3t 1 6 be be AUX 6108v982v3t 1 7 versatile versatile ADJ 6108v982v3t 1 8 tools tool NOUN 6108v982v3t 1 9 in in ADP 6108v982v3t 1 10 providing provide VERB 6108v982v3t 1 11 catalytic catalytic ADJ 6108v982v3t 1 12 function function NOUN 6108v982v3t 1 13 to to ADP 6108v982v3t 1 14 organometallic organometallic ADJ 6108v982v3t 1 15 redox redox ADJ 6108v982v3t 1 16 catalysts catalyst NOUN 6108v982v3t 1 17 . . PUNCT 6108v982v3t 2 1 in in ADP 6108v982v3t 2 2 the the DET 6108v982v3t 2 3 case case NOUN 6108v982v3t 2 4 of of ADP 6108v982v3t 2 5 the the DET 6108v982v3t 2 6 redox redox NOUN 6108v982v3t 2 7 - - PUNCT 6108v982v3t 2 8 active active ADJ 6108v982v3t 2 9 tbucliph4 tbucliph4 NOUN 6108v982v3t 2 10 ligand ligand NOUN 6108v982v3t 2 11 ( ( PUNCT 6108v982v3t 2 12 n n PROPN 6108v982v3t 2 13 , , PUNCT 6108v982v3t 2 14 n´-bis(2 n´-bis(2 SPACE 6108v982v3t 2 15 - - PUNCT 6108v982v3t 2 16 hydroxy-3,5 hydroxy-3,5 NOUN 6108v982v3t 2 17 - - PUNCT 6108v982v3t 2 18 di di NOUN 6108v982v3t 2 19 - - PUNCT 6108v982v3t 2 20 tert tert NOUN 6108v982v3t 2 21 - - PUNCT 6108v982v3t 2 22 butylphenyl)-2,2´-diamino-4,4´-di butylphenyl)-2,2´-diamino-4,4´-di SPACE 6108v982v3t 2 23 - - PUNCT 6108v982v3t 2 24 tert tert NOUN 6108v982v3t 2 25 - - PUNCT 6108v982v3t 2 26 butylbiphenyl butylbiphenyl NOUN 6108v982v3t 2 27 ) ) PUNCT 6108v982v3t 2 28 , , PUNCT 6108v982v3t 2 29 the the DET 6108v982v3t 2 30 ligand ligand NOUN 6108v982v3t 2 31 can can AUX 6108v982v3t 2 32 undergo undergo VERB 6108v982v3t 2 33 2h+/2e− 2h+/2e− NUM 6108v982v3t 2 34 redox redox ADJ 6108v982v3t 2 35 changes change NOUN 6108v982v3t 2 36 , , PUNCT 6108v982v3t 2 37 shuttling shuttle VERB 6108v982v3t 2 38 between between ADP 6108v982v3t 2 39 an an DET 6108v982v3t 2 40 oxidized oxidized ADJ 6108v982v3t 2 41 bis(iminosemiquinone bis(iminosemiquinone NOUN 6108v982v3t 2 42 ) ) PUNCT 6108v982v3t 2 43 and and CCONJ 6108v982v3t 2 44 a a DET 6108v982v3t 2 45 reduced reduce VERB 6108v982v3t 2 46 bis(aminophenoxide bis(aminophenoxide NOUN 6108v982v3t 2 47 ) ) PUNCT 6108v982v3t 2 48 , , PUNCT 6108v982v3t 2 49 when when SCONJ 6108v982v3t 2 50 coordinated coordinate VERB 6108v982v3t 2 51 to to PART 6108v982v3t 2 52 group group NOUN 6108v982v3t 2 53 10 10 NUM 6108v982v3t 2 54 metals metal NOUN 6108v982v3t 2 55 . . PUNCT 6108v982v3t 3 1 the the DET 6108v982v3t 3 2 frontier frontier NOUN 6108v982v3t 3 3 orbitals orbital NOUN 6108v982v3t 3 4 of of ADP 6108v982v3t 3 5 bis(iminosemiquinone bis(iminosemiquinone NOUN 6108v982v3t 3 6 ) ) PUNCT 6108v982v3t 3 7 complexes complex NOUN 6108v982v3t 3 8 consist consist VERB 6108v982v3t 3 9 of of ADP 6108v982v3t 3 10 a a DET 6108v982v3t 3 11 ligand ligand NOUN 6108v982v3t 3 12 - - PUNCT 6108v982v3t 3 13 centered center VERB 6108v982v3t 3 14 orbital orbital NOUN 6108v982v3t 3 15 , , PUNCT 6108v982v3t 3 16 and and CCONJ 6108v982v3t 3 17 a a DET 6108v982v3t 3 18 higher higher ADV 6108v982v3t 3 19 - - PUNCT 6108v982v3t 3 20 lying lie VERB 6108v982v3t 3 21 orbital orbital NOUN 6108v982v3t 3 22 that that PRON 6108v982v3t 3 23 is be AUX 6108v982v3t 3 24 largely largely ADV 6108v982v3t 3 25 ligand ligand NOUN 6108v982v3t 3 26 - - PUNCT 6108v982v3t 3 27 centered center VERB 6108v982v3t 3 28 but but CCONJ 6108v982v3t 3 29 is be AUX 6108v982v3t 3 30 metal metal NOUN 6108v982v3t 3 31 - - PUNCT 6108v982v3t 3 32 ligand ligand NOUN 6108v982v3t 3 33 π π NOUN 6108v982v3t 3 34 antibonding antibonding NOUN 6108v982v3t 3 35 . . PUNCT 6108v982v3t 4 1 these these DET 6108v982v3t 4 2 two two NUM 6108v982v3t 4 3 orbitals orbital NOUN 6108v982v3t 4 4 are be AUX 6108v982v3t 4 5 collectively collectively ADV 6108v982v3t 4 6 occupied occupy VERB 6108v982v3t 4 7 by by ADP 6108v982v3t 4 8 two two NUM 6108v982v3t 4 9 electrons electron NOUN 6108v982v3t 4 10 . . PUNCT 6108v982v3t 5 1 the the DET 6108v982v3t 5 2 complexes complex NOUN 6108v982v3t 5 3 are be AUX 6108v982v3t 5 4 always always ADV 6108v982v3t 5 5 ground ground NOUN 6108v982v3t 5 6 - - PUNCT 6108v982v3t 5 7 state state NOUN 6108v982v3t 5 8 singlets singlet NOUN 6108v982v3t 5 9 , , PUNCT 6108v982v3t 5 10 but but CCONJ 6108v982v3t 5 11 many many ADJ 6108v982v3t 5 12 of of ADP 6108v982v3t 5 13 the the DET 6108v982v3t 5 14 studied studied ADJ 6108v982v3t 5 15 complexes complex NOUN 6108v982v3t 5 16 possess possess VERB 6108v982v3t 5 17 low low ADV 6108v982v3t 5 18 - - PUNCT 6108v982v3t 5 19 lying lie VERB 6108v982v3t 5 20 triplet triplet NOUN 6108v982v3t 5 21 states state NOUN 6108v982v3t 5 22 that that PRON 6108v982v3t 5 23 can can AUX 6108v982v3t 5 24 be be AUX 6108v982v3t 5 25 thermally thermally ADV 6108v982v3t 5 26 populated populate VERB 6108v982v3t 5 27 . . PUNCT 6108v982v3t 6 1 measurement measurement NOUN 6108v982v3t 6 2 of of ADP 6108v982v3t 6 3 the the DET 6108v982v3t 6 4 singlet singlet NOUN 6108v982v3t 6 5 - - PUNCT 6108v982v3t 6 6 triplet triplet NOUN 6108v982v3t 6 7 energy energy NOUN 6108v982v3t 6 8 gap gap NOUN 6108v982v3t 6 9 by by ADP 6108v982v3t 6 10 variable variable ADJ 6108v982v3t 6 11 - - PUNCT 6108v982v3t 6 12 temperature temperature NOUN 6108v982v3t 6 13 nmr nmr NOUN 6108v982v3t 6 14 , , PUNCT 6108v982v3t 6 15 in in ADP 6108v982v3t 6 16 combination combination NOUN 6108v982v3t 6 17 with with ADP 6108v982v3t 6 18 uv uv NOUN 6108v982v3t 6 19 - - PUNCT 6108v982v3t 6 20 vis vis X 6108v982v3t 6 21 spectroscopic spectroscopic ADJ 6108v982v3t 6 22 data datum NOUN 6108v982v3t 6 23 of of ADP 6108v982v3t 6 24 the the DET 6108v982v3t 6 25 cationic cationic ADJ 6108v982v3t 6 26 , , PUNCT 6108v982v3t 6 27 neutral neutral ADJ 6108v982v3t 6 28 , , PUNCT 6108v982v3t 6 29 and and CCONJ 6108v982v3t 6 30 anionic anionic ADJ 6108v982v3t 6 31 forms form NOUN 6108v982v3t 6 32 of of ADP 6108v982v3t 6 33 the the DET 6108v982v3t 6 34 complex complex NOUN 6108v982v3t 6 35 , , PUNCT 6108v982v3t 6 36 have have AUX 6108v982v3t 6 37 provided provide VERB 6108v982v3t 6 38 a a DET 6108v982v3t 6 39 comprehensive comprehensive ADJ 6108v982v3t 6 40 view view NOUN 6108v982v3t 6 41 of of ADP 6108v982v3t 6 42 the the DET 6108v982v3t 6 43 electronic electronic ADJ 6108v982v3t 6 44 nature nature NOUN 6108v982v3t 6 45 of of ADP 6108v982v3t 6 46 the the DET 6108v982v3t 6 47 complexes.group complexes.group NOUN 6108v982v3t 6 48 10 10 NUM 6108v982v3t 6 49 bis(iminosemiquinone bis(iminosemiquinone NOUN 6108v982v3t 6 50 ) ) PUNCT 6108v982v3t 6 51 metal metal NOUN 6108v982v3t 6 52 complexes complex NOUN 6108v982v3t 6 53 of of ADP 6108v982v3t 6 54 cis cis NOUN 6108v982v3t 6 55 geometry geometry NOUN 6108v982v3t 6 56 were be AUX 6108v982v3t 6 57 hypothesized hypothesize VERB 6108v982v3t 6 58 to to PART 6108v982v3t 6 59 be be AUX 6108v982v3t 6 60 able able ADJ 6108v982v3t 6 61 to to PART 6108v982v3t 6 62 accomplish accomplish VERB 6108v982v3t 6 63 a a DET 6108v982v3t 6 64 concerted concerted ADJ 6108v982v3t 6 65 transfer transfer NOUN 6108v982v3t 6 66 of of ADP 6108v982v3t 6 67 a a DET 6108v982v3t 6 68 pair pair NOUN 6108v982v3t 6 69 of of ADP 6108v982v3t 6 70 hydrogen hydrogen NOUN 6108v982v3t 6 71 atoms atom NOUN 6108v982v3t 6 72 from from ADP 6108v982v3t 6 73 an an DET 6108v982v3t 6 74 organic organic ADJ 6108v982v3t 6 75 substrate substrate NOUN 6108v982v3t 6 76 . . PUNCT 6108v982v3t 7 1 what what PRON 6108v982v3t 7 2 has have AUX 6108v982v3t 7 3 been be AUX 6108v982v3t 7 4 observed observe VERB 6108v982v3t 7 5 is be AUX 6108v982v3t 7 6 that that SCONJ 6108v982v3t 7 7 the the DET 6108v982v3t 7 8 mechanism mechanism NOUN 6108v982v3t 7 9 of of ADP 6108v982v3t 7 10 hydrogen hydrogen NOUN 6108v982v3t 7 11 atom atom NOUN 6108v982v3t 7 12 transfer transfer NOUN 6108v982v3t 7 13 is be AUX 6108v982v3t 7 14 stepwise stepwise NOUN 6108v982v3t 7 15 in in ADP 6108v982v3t 7 16 all all DET 6108v982v3t 7 17 investigated investigate VERB 6108v982v3t 7 18 reactions reaction NOUN 6108v982v3t 7 19 . . PUNCT 6108v982v3t 8 1 in in ADP 6108v982v3t 8 2 regards regard NOUN 6108v982v3t 8 3 to to ADP 6108v982v3t 8 4 2h+/2e− 2h+/2e− NUM 6108v982v3t 8 5 reactivity reactivity NOUN 6108v982v3t 8 6 , , PUNCT 6108v982v3t 8 7 the the DET 6108v982v3t 8 8 palladium palladium NOUN 6108v982v3t 8 9 complex complex NOUN 6108v982v3t 8 10 ( ( PUNCT 6108v982v3t 8 11 tbuclip)pd tbuclip)pd PROPN 6108v982v3t 8 12 dehydrogenates dehydrogenate NOUN 6108v982v3t 8 13 hydrazines hydrazine NOUN 6108v982v3t 8 14 and and CCONJ 6108v982v3t 8 15 hydroxylamines hydroxylamine NOUN 6108v982v3t 8 16 to to PART 6108v982v3t 8 17 generate generate VERB 6108v982v3t 8 18 the the DET 6108v982v3t 8 19 ( ( PUNCT 6108v982v3t 8 20 tbucliph2)pd tbucliph2)pd NOUN 6108v982v3t 8 21 complex complex NOUN 6108v982v3t 8 22 . . PUNCT 6108v982v3t 9 1 in in ADP 6108v982v3t 9 2 comparison comparison NOUN 6108v982v3t 9 3 , , PUNCT 6108v982v3t 9 4 the the DET 6108v982v3t 9 5 platinum platinum NOUN 6108v982v3t 9 6 analogue analogue NOUN 6108v982v3t 9 7 is be AUX 6108v982v3t 9 8 much much ADV 6108v982v3t 9 9 less less ADJ 6108v982v3t 9 10 oxidizing oxidizing NOUN 6108v982v3t 9 11 , , PUNCT 6108v982v3t 9 12 and and CCONJ 6108v982v3t 9 13 dehydrogenates dehydrogenate VERB 6108v982v3t 9 14 hydrazobenzene hydrazobenzene PROPN 6108v982v3t 9 15 reversibly reversibly ADV 6108v982v3t 9 16 ( ( PUNCT 6108v982v3t 9 17 ∆g ∆g NUM 6108v982v3t 9 18 ° ° PROPN 6108v982v3t 9 19 = = SYM 6108v982v3t 9 20 1.85 1.85 NUM 6108v982v3t 9 21 kcal kcal PROPN 6108v982v3t 9 22 / / SYM 6108v982v3t 9 23 mol mol PROPN 6108v982v3t 9 24 at at ADP 6108v982v3t 9 25 22 22 NUM 6108v982v3t 9 26 ° ° NOUN 6108v982v3t 9 27 c c NOUN 6108v982v3t 9 28 ) ) PUNCT 6108v982v3t 9 29 . . PUNCT 6108v982v3t 10 1 not not PART 6108v982v3t 10 2 only only ADV 6108v982v3t 10 3 are be AUX 6108v982v3t 10 4 the the DET 6108v982v3t 10 5 complexes complex NOUN 6108v982v3t 10 6 different different ADJ 6108v982v3t 10 7 in in ADP 6108v982v3t 10 8 terms term NOUN 6108v982v3t 10 9 of of ADP 6108v982v3t 10 10 their their PRON 6108v982v3t 10 11 thermodynamic thermodynamic ADJ 6108v982v3t 10 12 reducing reduce VERB 6108v982v3t 10 13 power power NOUN 6108v982v3t 10 14 , , PUNCT 6108v982v3t 10 15 but but CCONJ 6108v982v3t 10 16 also also ADV 6108v982v3t 10 17 in in ADP 6108v982v3t 10 18 how how SCONJ 6108v982v3t 10 19 the the DET 6108v982v3t 10 20 initial initial ADJ 6108v982v3t 10 21 hydrogen hydrogen NOUN 6108v982v3t 10 22 atom atom NOUN 6108v982v3t 10 23 transfer transfer NOUN 6108v982v3t 10 24 affects affect VERB 6108v982v3t 10 25 the the DET 6108v982v3t 10 26 transfer transfer NOUN 6108v982v3t 10 27 of of ADP 6108v982v3t 10 28 the the DET 6108v982v3t 10 29 second second ADJ 6108v982v3t 10 30 hydrogen hydrogen NOUN 6108v982v3t 10 31 atom atom NOUN 6108v982v3t 10 32 . . PUNCT 6108v982v3t 11 1 the the DET 6108v982v3t 11 2 ( ( PUNCT 6108v982v3t 11 3 tbucliph2)pd tbucliph2)pd NOUN 6108v982v3t 11 4 complex complex NOUN 6108v982v3t 11 5 shows show VERB 6108v982v3t 11 6 practically practically ADV 6108v982v3t 11 7 no no DET 6108v982v3t 11 8 coupling coupling NOUN 6108v982v3t 11 9 between between ADP 6108v982v3t 11 10 the the DET 6108v982v3t 11 11 two two NUM 6108v982v3t 11 12 hydrogen hydrogen NOUN 6108v982v3t 11 13 atom atom NOUN 6108v982v3t 11 14 transfer transfer NOUN 6108v982v3t 11 15 events event NOUN 6108v982v3t 11 16 , , PUNCT 6108v982v3t 11 17 both both CCONJ 6108v982v3t 11 18 thermodynamically thermodynamically ADV 6108v982v3t 11 19 and and CCONJ 6108v982v3t 11 20 kinetically kinetically ADV 6108v982v3t 11 21 . . PUNCT 6108v982v3t 12 1 the the DET 6108v982v3t 12 2 platinum platinum NOUN 6108v982v3t 12 3 complex complex NOUN 6108v982v3t 12 4 displays display VERB 6108v982v3t 12 5 much much ADV 6108v982v3t 12 6 stronger strong ADJ 6108v982v3t 12 7 coupling coupling NOUN 6108v982v3t 12 8 between between ADP 6108v982v3t 12 9 the the DET 6108v982v3t 12 10 two two NUM 6108v982v3t 12 11 hydrogen hydrogen NOUN 6108v982v3t 12 12 atom atom NOUN 6108v982v3t 12 13 transfer transfer NOUN 6108v982v3t 12 14 events event NOUN 6108v982v3t 12 15 and and CCONJ 6108v982v3t 12 16 favors favor VERB 6108v982v3t 12 17 two two NUM 6108v982v3t 12 18 electron electron NOUN 6108v982v3t 12 19 chemistry chemistry NOUN 6108v982v3t 12 20 more more ADJ 6108v982v3t 12 21 than than ADP 6108v982v3t 12 22 the the DET 6108v982v3t 12 23 palladium palladium NOUN 6108v982v3t 12 24 complex complex NOUN 6108v982v3t 12 25 . . PUNCT 6108v982v3t 13 1 while while SCONJ 6108v982v3t 13 2 the the DET 6108v982v3t 13 3 extent extent NOUN 6108v982v3t 13 4 of of ADP 6108v982v3t 13 5 coupling coupling NOUN 6108v982v3t 13 6 in in ADP 6108v982v3t 13 7 the the DET 6108v982v3t 13 8 analogous analogous ADJ 6108v982v3t 13 9 nickel nickel NOUN 6108v982v3t 13 10 complex complex NOUN 6108v982v3t 13 11 remains remain VERB 6108v982v3t 13 12 unknown unknown ADJ 6108v982v3t 13 13 , , PUNCT 6108v982v3t 13 14 it it PRON 6108v982v3t 13 15 is be AUX 6108v982v3t 13 16 estimated estimate VERB 6108v982v3t 13 17 to to PART 6108v982v3t 13 18 be be AUX 6108v982v3t 13 19 more more ADV 6108v982v3t 13 20 like like ADP 6108v982v3t 13 21 the the DET 6108v982v3t 13 22 platinum platinum NOUN 6108v982v3t 13 23 complex complex NOUN 6108v982v3t 13 24 in in ADP 6108v982v3t 13 25 this this PRON 6108v982v3t 13 26 regard.in regard.in NUM 6108v982v3t 13 27 the the DET 6108v982v3t 13 28 reactions reaction NOUN 6108v982v3t 13 29 involving involve VERB 6108v982v3t 13 30 the the DET 6108v982v3t 13 31 bis(iminosemiquinone bis(iminosemiquinone NOUN 6108v982v3t 13 32 ) ) PUNCT 6108v982v3t 13 33 complexes complex NOUN 6108v982v3t 13 34 with with ADP 6108v982v3t 13 35 hydrazobenzene hydrazobenzene NOUN 6108v982v3t 13 36 , , PUNCT 6108v982v3t 13 37 all all DET 6108v982v3t 13 38 three three NUM 6108v982v3t 13 39 complexes complex NOUN 6108v982v3t 13 40 display display VERB 6108v982v3t 13 41 exceedingly exceedingly ADV 6108v982v3t 13 42 large large ADJ 6108v982v3t 13 43 primary primary ADJ 6108v982v3t 13 44 kinetic kinetic ADJ 6108v982v3t 13 45 isotope isotope NOUN 6108v982v3t 13 46 effects effect NOUN 6108v982v3t 13 47 that that PRON 6108v982v3t 13 48 are be AUX 6108v982v3t 13 49 beyond beyond ADP 6108v982v3t 13 50 the the DET 6108v982v3t 13 51 theoretical theoretical ADJ 6108v982v3t 13 52 limit limit NOUN 6108v982v3t 13 53 for for ADP 6108v982v3t 13 54 a a DET 6108v982v3t 13 55 classical classical ADJ 6108v982v3t 13 56 hydrogen hydrogen NOUN 6108v982v3t 13 57 atom atom NOUN 6108v982v3t 13 58 transfer transfer NOUN 6108v982v3t 13 59 . . PUNCT 6108v982v3t 14 1 such such ADJ 6108v982v3t 14 2 large large ADJ 6108v982v3t 14 3 kies ky NOUN 6108v982v3t 14 4 are be AUX 6108v982v3t 14 5 interpreted interpret VERB 6108v982v3t 14 6 to to PART 6108v982v3t 14 7 arise arise VERB 6108v982v3t 14 8 from from ADP 6108v982v3t 14 9 hydrogen hydrogen PROPN 6108v982v3t 14 10 atom atom NOUN 6108v982v3t 14 11 tunneling tunneling PROPN 6108v982v3t 14 12 . . PUNCT 6108v982v3t 15 1 the the DET 6108v982v3t 15 2 reactivity reactivity NOUN 6108v982v3t 15 3 with with ADP 6108v982v3t 15 4 the the DET 6108v982v3t 15 5 palladium palladium NOUN 6108v982v3t 15 6 complex complex NOUN 6108v982v3t 15 7 also also ADV 6108v982v3t 15 8 has have VERB 6108v982v3t 15 9 a a DET 6108v982v3t 15 10 non non ADJ 6108v982v3t 15 11 - - ADJ 6108v982v3t 15 12 linear linear ADJ 6108v982v3t 15 13 dependence dependence NOUN 6108v982v3t 15 14 of of ADP 6108v982v3t 15 15 rate rate NOUN 6108v982v3t 15 16 on on ADP 6108v982v3t 15 17 mole mole ADJ 6108v982v3t 15 18 fraction fraction NOUN 6108v982v3t 15 19 protium protium NOUN 6108v982v3t 15 20 . . PUNCT 6108v982v3t 16 1 the the DET 6108v982v3t 16 2 proposed propose VERB 6108v982v3t 16 3 explanation explanation NOUN 6108v982v3t 16 4 is be AUX 6108v982v3t 16 5 that that SCONJ 6108v982v3t 16 6 a a DET 6108v982v3t 16 7 change change NOUN 6108v982v3t 16 8 in in ADP 6108v982v3t 16 9 the the DET 6108v982v3t 16 10 fate fate NOUN 6108v982v3t 16 11 of of ADP 6108v982v3t 16 12 the the DET 6108v982v3t 16 13 intermediate intermediate ADJ 6108v982v3t 16 14 hydrazyl hydrazyl NOUN 6108v982v3t 16 15 radical radical ADJ 6108v982v3t 16 16 ( ( PUNCT 6108v982v3t 16 17 disproportionation disproportionation NOUN 6108v982v3t 16 18 vs. vs. ADP 6108v982v3t 16 19 further further ADJ 6108v982v3t 16 20 reactivity reactivity NOUN 6108v982v3t 16 21 with with ADP 6108v982v3t 16 22 palladium palladium NOUN 6108v982v3t 16 23 ) ) PUNCT 6108v982v3t 16 24 , , PUNCT 6108v982v3t 16 25 depending depend VERB 6108v982v3t 16 26 on on ADP 6108v982v3t 16 27 its its PRON 6108v982v3t 16 28 isotopic isotopic ADJ 6108v982v3t 16 29 composition composition NOUN 6108v982v3t 16 30 , , PUNCT 6108v982v3t 16 31 alters alter VERB 6108v982v3t 16 32 the the DET 6108v982v3t 16 33 stoichiometric stoichiometric ADJ 6108v982v3t 16 34 factor factor NOUN 6108v982v3t 16 35 of of ADP 6108v982v3t 16 36 the the DET 6108v982v3t 16 37 hydrogen hydrogen NOUN 6108v982v3t 16 38 atom atom NOUN 6108v982v3t 16 39 transfer transfer NOUN 6108v982v3t 16 40 events event NOUN 6108v982v3t 16 41 , , PUNCT 6108v982v3t 16 42 and and CCONJ 6108v982v3t 16 43 therefore therefore ADV 6108v982v3t 16 44 the the DET 6108v982v3t 16 45 observed observe VERB 6108v982v3t 16 46 rates rate NOUN 6108v982v3t 16 47 of of ADP 6108v982v3t 16 48 reaction reaction NOUN 6108v982v3t 16 49 . . PUNCT 6108v982v3t 17 1 in in ADP 6108v982v3t 17 2 exploring explore VERB 6108v982v3t 17 3 the the DET 6108v982v3t 17 4 hydrogen hydrogen NOUN 6108v982v3t 17 5 atom atom NOUN 6108v982v3t 17 6 transfer transfer NOUN 6108v982v3t 17 7 with with ADP 6108v982v3t 17 8 alkynes alkyne NOUN 6108v982v3t 17 9 , , PUNCT 6108v982v3t 17 10 only only ADV 6108v982v3t 17 11 the the DET 6108v982v3t 17 12 bis(aminophenoxide)platinum bis(aminophenoxide)platinum NUM 6108v982v3t 17 13 complex complex NOUN 6108v982v3t 17 14 was be AUX 6108v982v3t 17 15 observed observe VERB 6108v982v3t 17 16 to to PART 6108v982v3t 17 17 have have VERB 6108v982v3t 17 18 reactivity reactivity NOUN 6108v982v3t 17 19 . . PUNCT 6108v982v3t 18 1 however however ADV 6108v982v3t 18 2 , , PUNCT 6108v982v3t 18 3 rather rather ADV 6108v982v3t 18 4 than than ADP 6108v982v3t 18 5 the the DET 6108v982v3t 18 6 stepwise stepwise NOUN 6108v982v3t 18 7 hydrogen hydrogen NOUN 6108v982v3t 18 8 atom atom NOUN 6108v982v3t 18 9 transfer transfer NOUN 6108v982v3t 18 10 seen see VERB 6108v982v3t 18 11 between between ADP 6108v982v3t 18 12 these these DET 6108v982v3t 18 13 complexes complex NOUN 6108v982v3t 18 14 and and CCONJ 6108v982v3t 18 15 nitroso nitroso NOUN 6108v982v3t 18 16 / / SYM 6108v982v3t 18 17 azo azo NOUN 6108v982v3t 18 18 substrates substrate NOUN 6108v982v3t 18 19 , , PUNCT 6108v982v3t 18 20 ( ( PUNCT 6108v982v3t 18 21 tbucliph2)pt tbucliph2)pt VERB 6108v982v3t 18 22 engages engage VERB 6108v982v3t 18 23 in in ADP 6108v982v3t 18 24 ene ene ADJ 6108v982v3t 18 25 - - PUNCT 6108v982v3t 18 26 type type NOUN 6108v982v3t 18 27 reactivity reactivity NOUN 6108v982v3t 18 28 with with ADP 6108v982v3t 18 29 cyclooctyne cyclooctyne NOUN 6108v982v3t 18 30 . . PUNCT 6108v982v3t 19 1 the the DET 6108v982v3t 19 2 evident evident ADJ 6108v982v3t 19 3 stereoselectivity stereoselectivity NOUN 6108v982v3t 19 4 and and CCONJ 6108v982v3t 19 5 regioselectivity regioselectivity NOUN 6108v982v3t 19 6 of of ADP 6108v982v3t 19 7 the the DET 6108v982v3t 19 8 product product NOUN 6108v982v3t 19 9 , , PUNCT 6108v982v3t 19 10 along along ADP 6108v982v3t 19 11 with with ADP 6108v982v3t 19 12 results result NOUN 6108v982v3t 19 13 from from ADP 6108v982v3t 19 14 radical radical ADJ 6108v982v3t 19 15 trapping trap VERB 6108v982v3t 19 16 experiments experiment NOUN 6108v982v3t 19 17 , , PUNCT 6108v982v3t 19 18 strongly strongly ADV 6108v982v3t 19 19 suggest suggest VERB 6108v982v3t 19 20 a a DET 6108v982v3t 19 21 concerted concerted ADJ 6108v982v3t 19 22 addition addition NOUN 6108v982v3t 19 23 reaction reaction NOUN 6108v982v3t 19 24 . . PUNCT 6108v982v3t 20 1 ( ( PUNCT 6108v982v3t 20 2 tbucliph2)pt tbucliph2)pt ADJ 6108v982v3t 20 3 was be AUX 6108v982v3t 20 4 also also ADV 6108v982v3t 20 5 observed observe VERB 6108v982v3t 20 6 to to PART 6108v982v3t 20 7 have have VERB 6108v982v3t 20 8 unique unique ADJ 6108v982v3t 20 9 reactivity reactivity NOUN 6108v982v3t 20 10 with with ADP 6108v982v3t 20 11 other other ADJ 6108v982v3t 20 12 electron electron NOUN 6108v982v3t 20 13 withdrawing withdraw VERB 6108v982v3t 20 14 alkynes alkyne NOUN 6108v982v3t 20 15 . . PUNCT