• 作者： 王信二 ; 黃吉村 ; 尹立銘 等
• 作者服務機構： 台灣大學化學系
• 中文摘要： Crystal structures of a series of manganese(I) complexes containing tripodal ligands were determined. For [η3-{CH3C(CH2PPh2)2(CH2SPh)-P,P',S}Mn(CO)3]PF6 (1): a = 10.856(3) A, b = 19.698(3) A, c = 17.596(5) A, β=96.17(2)°, monoclinic, Z = 4, P2 1/c, R(Fo) = 0.068 Rw(Fo) = 0.055 for 3617 reflections with Io > 2σ(Io). For [η3-{CH3C(CH2PPh2)2(CH2SPh)-P,S,S'}Mn(CO)3]PF6 (2): a = 9.890(2) A, b = 20.403(4) A, c 10.269(3) A, β = 117.44(2)°, monoclinic, Z = 2, P21, R(Fo) = 0.050, Rw(Fo) = 0.037 for 1760 reflections with Io > 2σ(Io). For [η3-{CH3C(CH2PPh2)2(CH2S)-P,P',S}Mn(CO)3] (4): a = 8.191(7) A, b = 10.495(3) A, c = 19.858(6) A, α = 99.61(2)°, β = 96.17(2)°, γ= 92.70(4)°, triclinic, Z = 2, p-1, R(Fo) = 0.48, Rw(Fo) = 0.039 for 2973 reflections with Io > 2σ(Io). There is no significant difference in the bond lengths of Mn-S bonds among three species in there crystal structures [2.325(2) A in 1; 2.358(4) in 2; 2.380(2) in 4], but the better donating ability of thiolate in complex 4 appears on the lower frequencies of its carbonyl stretching absorptions.
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