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Activity on catalytic reduction of C_2H_2 for seven Mo-Fe-S cluster compounds (I. (Et_4N_4)_4[Mo_2Fe_2S_(10)]·2CH_3OH, Ⅱ. Mo_2Fe_2S_4(S_2CNEt_2)_5·CH_3CN, Ⅲ. (Bu_4N)_3 [Mo_2FeS_8O]·Ⅳ·(Et_4N)_3[Mo_2FeS_8O_2], V. (Et_4N)_2[MoFeS_4(SCN)_2(OCH_3)_2]·3CH_3OH, Ⅵ. (Et_4N)_3[Mo_2FeS_8O(OCH_3)_2], Ⅶ. (Et_4N)_4Mo_2Fe_7S_(12)(SPh)_6·6CH_3OH), three Fe-S cluster compounds (Ⅷ.(Et_4N)_2[Fe_4S_4(S_2CNEt_2)_4], Ⅸ. (Bu_4N)_2[Fe_4S_3(SC(CH_3)_3)_4], Ⅹ. (Bu_4N)[Fe_2S_3(SCH_2Ph)_2]) and combination systems of related compounds, has been determined under anaerobic conditions at 25℃ and with KBH_4 as the reductant. In addition, at 15℃, under otherwise the same conditions, activity on catalytic reduction of C_2H_2 for different constituent systems from (NH_4)_2MoS_4 and FeCl_3 has also been determined.
Activity-catalytic reduction of C_2H_2 for seven Mo-Fe-S cluster compounds (Ⅰ. (Et_4N_4) _4 [Mo_2Fe_2S_ (10)] · 2CH_3OH, Ⅱ. Mo_2Fe_2S_4 (S_2CNEt_2) _5 · CH_3CN, (Et_4N) _3 [Mo_2FeS_8O_2], V. (Et_4N) _2 [MoFeS_4 (SCN) _2 (OCH_3) _2] · 3CH_3OH, Ⅵ.Et_4N_3 [Mo_2FeS_8O (OCH_3) _2] (Fe_4S_3 (SC_ (CH_3) _3) _4Mo_2Fe_7S_ (12) (SPh) _6 · 6CH_3OH), three Fe-S cluster compounds (Ⅷ. (Et_4N) _2 [Fe_4S_4 (S_2CNEt_2) _4] , Ⅹ. (Bu_4N) [Fe_2S_3 (SCH_2Ph) _2]) and combination systems of related compounds, has been determined under anaerobic conditions at 25 ° C and with KBH_4 as the reductant. activity on catalytic reduction of C_2H_2 for different constituent systems from (NH_4) _2MoS_4 and FeCl_3 has also been determined.