id sid tid token lemma pos cj82k645f7j 1 1 the the DET cj82k645f7j 1 2 discovery discovery NOUN cj82k645f7j 1 3 of of ADP cj82k645f7j 1 4 dimers dimer NOUN cj82k645f7j 1 5 of of ADP cj82k645f7j 1 6 nine nine NUM cj82k645f7j 1 7 - - PUNCT cj82k645f7j 1 8 atom atom NOUN cj82k645f7j 1 9 germanium germanium NOUN cj82k645f7j 1 10 clusters cluster NOUN cj82k645f7j 1 11 , , PUNCT cj82k645f7j 1 12 [ [ X cj82k645f7j 1 13 ge9–ge9]6&ndash ge9–ge9]6&ndash SPACE cj82k645f7j 1 14 ; ; PUNCT cj82k645f7j 1 15 , , PUNCT cj82k645f7j 1 16 showed show VERB cj82k645f7j 1 17 that that SCONJ cj82k645f7j 1 18 2 2 NUM cj82k645f7j 1 19 - - PUNCT cj82k645f7j 1 20 center–2 center–2 ADV cj82k645f7j 1 21 - - PUNCT cj82k645f7j 1 22 electron electron NOUN cj82k645f7j 1 23 exo exo NOUN cj82k645f7j 1 24 - - PUNCT cj82k645f7j 1 25 bonds bond NOUN cj82k645f7j 1 26 can can AUX cj82k645f7j 1 27 exist exist VERB cj82k645f7j 1 28 between between ADP cj82k645f7j 1 29 such such ADJ cj82k645f7j 1 30 clusters cluster NOUN cj82k645f7j 1 31 . . PUNCT cj82k645f7j 2 1 this this DET cj82k645f7j 2 2 formally formally ADV cj82k645f7j 2 3 ' ' PUNCT cj82k645f7j 2 4 oxidative oxidative ADJ cj82k645f7j 2 5 ' ' PUNCT cj82k645f7j 2 6 coupling coupling NOUN cj82k645f7j 2 7 of of ADP cj82k645f7j 2 8 two two NUM cj82k645f7j 2 9 clusters cluster NOUN cj82k645f7j 2 10 was be AUX cj82k645f7j 2 11 the the DET cj82k645f7j 2 12 first first ADJ cj82k645f7j 2 13 redox redox ADJ cj82k645f7j 2 14 reaction reaction NOUN cj82k645f7j 2 15 involving involve VERB cj82k645f7j 2 16 these these DET cj82k645f7j 2 17 species specie NOUN cj82k645f7j 2 18 . . PUNCT cj82k645f7j 3 1 this this DET cj82k645f7j 3 2 finding finding NOUN cj82k645f7j 3 3 stimulated stimulate VERB cj82k645f7j 3 4 the the DET cj82k645f7j 3 5 systematic systematic ADJ cj82k645f7j 3 6 study study NOUN cj82k645f7j 3 7 of of ADP cj82k645f7j 3 8 reactions reaction NOUN cj82k645f7j 3 9 of of ADP cj82k645f7j 3 10 nine nine NUM cj82k645f7j 3 11 - - PUNCT cj82k645f7j 3 12 atom atom NOUN cj82k645f7j 3 13 germanium germanium NOUN cj82k645f7j 3 14 clusters cluster NOUN cj82k645f7j 3 15 with with ADP cj82k645f7j 3 16 soft soft ADJ cj82k645f7j 3 17 oxidizing oxidize VERB cj82k645f7j 3 18 agents agent NOUN cj82k645f7j 3 19 , , PUNCT cj82k645f7j 3 20 presented present VERB cj82k645f7j 3 21 here here ADV cj82k645f7j 3 22 . . PUNCT cj82k645f7j 4 1 this this DET cj82k645f7j 4 2 study study NOUN cj82k645f7j 4 3 revealed reveal VERB cj82k645f7j 4 4 that that SCONJ cj82k645f7j 4 5 these these DET cj82k645f7j 4 6 clusters cluster NOUN cj82k645f7j 4 7 can can AUX cj82k645f7j 4 8 bond bond VERB cj82k645f7j 4 9 to to ADP cj82k645f7j 4 10 each each DET cj82k645f7j 4 11 other other ADJ cj82k645f7j 4 12 in in ADP cj82k645f7j 4 13 different different ADJ cj82k645f7j 4 14 modes mode NOUN cj82k645f7j 4 15 to to PART cj82k645f7j 4 16 form form VERB cj82k645f7j 4 17 larger large ADJ cj82k645f7j 4 18 oligomers oligomer NOUN cj82k645f7j 4 19 such such ADJ cj82k645f7j 4 20 as as ADP cj82k645f7j 4 21 trimers trimer NOUN cj82k645f7j 4 22 , , PUNCT cj82k645f7j 4 23 [ [ X cj82k645f7j 4 24 ge9 ge9 X cj82k645f7j 4 25 = = SYM cj82k645f7j 4 26 ge9 ge9 X cj82k645f7j 4 27 = = NOUN cj82k645f7j 4 28 ge9]6&ndash ge9]6&ndash NUM cj82k645f7j 4 29 ; ; PUNCT cj82k645f7j 4 30 , , PUNCT cj82k645f7j 4 31 and and CCONJ cj82k645f7j 4 32 tetramers tetramer NOUN cj82k645f7j 4 33 , , PUNCT cj82k645f7j 4 34 [ [ X cj82k645f7j 4 35 ge9 ge9 X cj82k645f7j 4 36 = = SYM cj82k645f7j 4 37 ge9 ge9 X cj82k645f7j 4 38 = = SYM cj82k645f7j 4 39 ge9 ge9 X cj82k645f7j 4 40 = = SYM cj82k645f7j 4 41 ge9]8&ndash ge9]8&ndash PROPN cj82k645f7j 4 42 ; ; PUNCT cj82k645f7j 4 43 . . PUNCT cj82k645f7j 5 1 reactions reaction NOUN cj82k645f7j 5 2 of of ADP cj82k645f7j 5 3 the the DET cj82k645f7j 5 4 clusters cluster NOUN cj82k645f7j 5 5 with with ADP cj82k645f7j 5 6 ph3sb ph3sb PROPN cj82k645f7j 5 7 and and CCONJ cj82k645f7j 5 8 ph3bi ph3bi PROPN cj82k645f7j 5 9 produced produce VERB cj82k645f7j 5 10 the the DET cj82k645f7j 5 11 first first ADJ cj82k645f7j 5 12 functionalized functionalize VERB cj82k645f7j 5 13 zintl zintl NOUN cj82k645f7j 5 14 ions ion NOUN cj82k645f7j 6 1 [ [ X cj82k645f7j 6 2 ph2bi–ge9–biph2]2&ndash ph2bi–ge9–biph2]2&ndash PROPN cj82k645f7j 6 3 ; ; PUNCT cj82k645f7j 6 4 , , PUNCT cj82k645f7j 6 5 [ [ X cj82k645f7j 6 6 ph2sb–ge9–sbph2]2&ndash ph2sb–ge9–sbph2]2&ndash PROPN cj82k645f7j 6 7 ; ; PUNCT cj82k645f7j 6 8 , , PUNCT cj82k645f7j 6 9 [ [ X cj82k645f7j 6 10 ph–ge9–sbph2]2&ndash ph–ge9–sbph2]2&ndash PROPN cj82k645f7j 6 11 ; ; PUNCT cj82k645f7j 6 12 , , PUNCT cj82k645f7j 6 13 and and CCONJ cj82k645f7j 6 14 [ [ X cj82k645f7j 6 15 ph2sb–ge9–ge9–sbph2]4&ndash ph2sb–ge9–ge9–sbph2]4&ndash PROPN cj82k645f7j 6 16 ; ; PUNCT cj82k645f7j 6 17 . . PUNCT cj82k645f7j 7 1 initially initially ADV cj82k645f7j 7 2 the the DET cj82k645f7j 7 3 reaction reaction NOUN cj82k645f7j 7 4 mechanism mechanism NOUN cj82k645f7j 7 5 for for ADP cj82k645f7j 7 6 these these DET cj82k645f7j 7 7 additions addition NOUN cj82k645f7j 7 8 was be AUX cj82k645f7j 7 9 not not PART cj82k645f7j 7 10 clear clear ADJ cj82k645f7j 7 11 but but CCONJ cj82k645f7j 7 12 further further ADJ cj82k645f7j 7 13 detailed detailed ADJ cj82k645f7j 7 14 studies study NOUN cj82k645f7j 7 15 suggested suggest VERB cj82k645f7j 7 16 that that SCONJ cj82k645f7j 7 17 these these DET cj82k645f7j 7 18 reactions reaction NOUN cj82k645f7j 7 19 were be AUX cj82k645f7j 7 20 in in ADP cj82k645f7j 7 21 fact fact NOUN cj82k645f7j 7 22 nucleophilic nucleophilic NOUN cj82k645f7j 7 23 additions addition NOUN cj82k645f7j 7 24 of of ADP cj82k645f7j 7 25 the the DET cj82k645f7j 7 26 anions anion NOUN cj82k645f7j 7 27 ph2e&ndash ph2e&ndash NOUN cj82k645f7j 7 28 ; ; PUNCT cj82k645f7j 7 29 ( ( PUNCT cj82k645f7j 7 30 e= e= X cj82k645f7j 7 31 sb sb PROPN cj82k645f7j 7 32 and and CCONJ cj82k645f7j 7 33 bi bi PROPN cj82k645f7j 7 34 ) ) PUNCT cj82k645f7j 7 35 to to ADP cj82k645f7j 7 36 the the DET cj82k645f7j 7 37 naked naked ADJ cj82k645f7j 7 38 clusters cluster NOUN cj82k645f7j 7 39 ge9n- ge9n- PROPN cj82k645f7j 7 40 . . PUNCT cj82k645f7j 8 1 the the DET cj82k645f7j 8 2 reaction reaction NOUN cj82k645f7j 8 3 mechanism mechanism NOUN cj82k645f7j 8 4 is be AUX cj82k645f7j 8 5 widely widely ADV cj82k645f7j 8 6 discussed discuss VERB cj82k645f7j 8 7 in in ADP cj82k645f7j 8 8 the the DET cj82k645f7j 8 9 thesis thesis NOUN cj82k645f7j 8 10 . . PUNCT cj82k645f7j 9 1 these these DET cj82k645f7j 9 2 general general ADJ cj82k645f7j 9 3 ideas idea NOUN cj82k645f7j 9 4 were be AUX cj82k645f7j 9 5 explored explore VERB cj82k645f7j 9 6 further far ADV cj82k645f7j 9 7 for for ADP cj82k645f7j 9 8 possible possible ADJ cj82k645f7j 9 9 use use NOUN cj82k645f7j 9 10 in in ADP cj82k645f7j 9 11 more more ADJ cj82k645f7j 9 12 rational rational ADJ cj82k645f7j 9 13 synthesis synthesis NOUN cj82k645f7j 9 14 of of ADP cj82k645f7j 9 15 similar similar ADJ cj82k645f7j 9 16 derivatives derivative NOUN cj82k645f7j 9 17 of of ADP cj82k645f7j 9 18 deltahedral deltahedral ADJ cj82k645f7j 9 19 zintl zintl NOUN cj82k645f7j 9 20 ions ion NOUN cj82k645f7j 9 21 by by ADP cj82k645f7j 9 22 addition addition NOUN cj82k645f7j 9 23 of of ADP cj82k645f7j 9 24 other other ADJ cj82k645f7j 9 25 groups group NOUN cj82k645f7j 9 26 . . PUNCT cj82k645f7j 10 1 both both DET cj82k645f7j 10 2 monoand monoand PROPN cj82k645f7j 10 3 di di PROPN cj82k645f7j 10 4 - - PUNCT cj82k645f7j 10 5 substituted substitute VERB cj82k645f7j 10 6 germanium germanium NOUN cj82k645f7j 10 7 clusters cluster NOUN cj82k645f7j 10 8 with with ADP cj82k645f7j 10 9 & & CCONJ cj82k645f7j 10 10 ndash;snph3 ndash;snph3 PROPN cj82k645f7j 10 11 , , PUNCT cj82k645f7j 10 12 & & CCONJ cj82k645f7j 10 13 ndash;snme3 ndash;snme3 SPACE cj82k645f7j 10 14 , , PUNCT cj82k645f7j 10 15 & & CCONJ cj82k645f7j 10 16 ndash;geph3 ndash;geph3 PRON cj82k645f7j 10 17 and and CCONJ cj82k645f7j 10 18 & & CCONJ cj82k645f7j 10 19 ndash;cme3 ndash;cme3 PROPN cj82k645f7j 10 20 were be AUX cj82k645f7j 10 21 obtained obtain VERB cj82k645f7j 10 22 by by ADP cj82k645f7j 10 23 similar similar ADJ cj82k645f7j 10 24 reactions reaction NOUN cj82k645f7j 10 25 and and CCONJ cj82k645f7j 10 26 were be AUX cj82k645f7j 10 27 characterized characterize VERB cj82k645f7j 10 28 by by ADP cj82k645f7j 10 29 single single ADJ cj82k645f7j 10 30 crystal crystal NOUN cj82k645f7j 10 31 x x NOUN cj82k645f7j 10 32 - - NOUN cj82k645f7j 10 33 ray ray NOUN cj82k645f7j 10 34 diffraction diffraction NOUN cj82k645f7j 10 35 and and CCONJ cj82k645f7j 10 36 in in ADP cj82k645f7j 10 37 solution solution NOUN cj82k645f7j 10 38 by by ADP cj82k645f7j 10 39 nmr nmr NOUN cj82k645f7j 10 40 spectroscopy spectroscopy NOUN cj82k645f7j 10 41 . . PUNCT