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THE MOLECULAR AND CRYSTAL STRUCTURE OF [Et_4N]_2[Fe_2S_2(NO)_4]
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作者 黄梁仁 赵孝腾 《Chinese Journal of Structural Chemistry》 SCIE CAS CSCD 1992年第5期397-397,共1页
The compound [Et_4N]_2[Fe_2S_2(NO)_4] (M_r=556.36) crystallizes in the monoclinic,space group P 2_1/n with a=9. 688(3), b=10. 882(2), c=12. 625(2), β=97. 86(3)°, Z=2, V=1318. 4, D_c=1. 40g/cm^3, ;μ(MoK_a)=12. 8... The compound [Et_4N]_2[Fe_2S_2(NO)_4] (M_r=556.36) crystallizes in the monoclinic,space group P 2_1/n with a=9. 688(3), b=10. 882(2), c=12. 625(2), β=97. 86(3)°, Z=2, V=1318. 4, D_c=1. 40g/cm^3, ;μ(MoK_a)=12. 8cm^(-1) and F(000)=588. The final R=0. 028 and R_w=0. 029 for 2041 reflections (I≥3σ(I)).The crystals of [Et_4N]_2[Fe_2S_2(NO)_4] consist of discrete cations [Et_4N]^+ and 展开更多
关键词 分子结构 晶体结构 四乙基铵 金属配合物
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SYNTHESES AND CRYSTAL STRUCTURE OF [Et_4N]{Mo(CO)_5L}(L=I^-,SPh^-)
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作者 黄梁仁 赵孝腾 《Chinese Journal of Structural Chemistry》 SCIE CAS CSCD 1992年第4期257-260,共4页
Crystal of [Et4N][Mo(CO)5I](1) (Mr = 493. 15) is tetragonal with space group P4/n, a =b==9. 374(2) ,c=10. 545(2)(?), V=926. 5(?)3, Z = 2, F(000) = 480, Dc=1. 77g/cm3and μ = 23. 6cm-1. R = 0. 040, Rw = 0.043 for 374 o... Crystal of [Et4N][Mo(CO)5I](1) (Mr = 493. 15) is tetragonal with space group P4/n, a =b==9. 374(2) ,c=10. 545(2)(?), V=926. 5(?)3, Z = 2, F(000) = 480, Dc=1. 77g/cm3and μ = 23. 6cm-1. R = 0. 040, Rw = 0.043 for 374 observed reflections. Crystal of [Et4N][Mb(CO)5(SPh)] (2) is orthorhombic ith space group Pbam, a= 15. 230(3), b = 18. 389(10), c=8. 172(3)(?), V=2288. 6 (?)3, Z = 4, Dc=1. 38gcm3, μ = 6.7cm-1.R = 0. 043, Rw = 0. 042 for 1621 observed reflections. Complexes 1 and 2 possess the same geometry. The Mo atom is octahe-drally coordinated with obvious trans drrdct, all the Mo -C bond lengths are shorter obviously and the C - O bond are longer than those of Mo(CO)6. 展开更多
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APPLICATION OF DITHIO - MOLYBDATE IN THE SYNTHESES OF Mo-Cu CLUSTERS: SYNTHESES AND CRYSTAL STRUC-TURES OF MoOS_3(CuPPh_3)(Cu(PPh_3)_2 AND (Ph_4P)_2[Mo_2Cu_5S_6O_2-(S_2CNEt_2)_3] ·DMF
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作者 曹荣 雷新建 《Chinese Journal of Structural Chemistry》 SCIE CAS CSCD 1992年第1期34-40,共7页
The reactions of (NH4)2MoO2S2 with Cu(PPh3)3Cl in CH3CN in the air, or with CuCl, Ph4PBr, and NaS2CNEt2 in DMF under anaerobic condition, afforded the cluster complexes MoS3OCu2 (PPh3)3 (Ⅰ) and (Ph4P)2 CMo2Cu5S6O2-(S... The reactions of (NH4)2MoO2S2 with Cu(PPh3)3Cl in CH3CN in the air, or with CuCl, Ph4PBr, and NaS2CNEt2 in DMF under anaerobic condition, afforded the cluster complexes MoS3OCu2 (PPh3)3 (Ⅰ) and (Ph4P)2 CMo2Cu5S6O2-(S2CNEt2)33 · DMF (Ⅱ), respectively. Compound (Ⅰ), MoOS3Cu2P3C54H45(Mr = 1121. 0) , crystallizes in the triclinic, space group P1 with cell parameters a = 14. 103 (3), b = 17.906(3), c=11.503(2)(?), α=107. 76(1), β=111.81(2), γ = 74.93 (2)°, F = 2532. 9(?)3 and Z=2, Dc=1. 471 g/cm3, F (000) = 1140, μ(MoKα) = 13. 215 cm-1, final R = 0. 060 (Rw = 0.064) for 5959 independent reflections with I >3σ(Ⅰ). Complex (IⅡ), Mo2O3S12Cu5P2N4C66H77 (Mr = 1930. 67) , crystallizes in monoclinic, space group P2/c with cell parameters a = 25. 325(19) , 6 = 22. 506(9) , c =14. 066(8)(?) , β =100. 96(6)°, V =7871. 16 (?)3, Z = 4, D,= 1. 629 g/cm3, F(000) = 3904, μ(MoKα) = 20. 216 cm-1, R = 0. 097 (Rw = 0. 095) for 5677 reflections with I>3σ(Ⅰ). The core structure of complex (Ⅰ) is defective cubane-like, while that of compound (Ⅱ) consists of two defective cubane-like units OMoS3Cu2 and OMoS3Cu3 linked by two weak Cu-S bonds and two bridging S2CNEt2- lig-ands. 展开更多
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