CRYSTAL AND MOLECULAR STRUCTURE OF cis—（μ—PhS—（CH2）3SPh）PdCl2

<正> The title complex, C15S2Cl2H16Pd, Mr = 437. 73, crystallizes in monoclinic space group P21/c with a = 10. 177(2), b=10. 788(1), c= 15. 305(1) (?),β=102. 73(1)°, V = 1638. 1(?)3, Z = 4, Dx =1.77g/cm3, μ = 16.8cm-1, F (000) = 872. The final structure refinement converged with unweighted and weighted R factors of 0. 025 and 0. 033 for 2490 observed unique reflections. The complex has mononuclear structure with the ligand cis-chelated to the Pd(Ⅱ) atom.     

CRYSTAL STRUCTURE OF（Bu4N）2[Pt（C3S5）2]

<正> The title compound C38H72N2PtS10(Mr=1072.74)crystallizes in triclinic system,space group P1 with cell constants a=11.994(4),b=18.117(7),c=11.855(6)A,α=95.55(4),β=99.14(3),γ=75.71(3)°,V=2460.0A3,Z=2 and Dc=1.45 gcm-3.The structure is solved by direct methods and refined by full-matrix least-squares technique to final R=0.046 and Rw=0.045 based on 5919 independent reflections with I≥3.0(I).The anion [Pt(C3S5)2]2-is approximately planar,of which the platinum-sulfur coordination polyhedron takes a square form with mean Pt-S bond length of 2.310(4)A.     

CRYSTAL STRUCTURE OF VANADIUM（V） COMPLEX OF SCHIFF BASE

<正> The complex C23H29N2O6V crystallizes as a dark red crystal in monoclinic space group P21/a, with a = 10. 233(2), b = 24.805(8), c= 10. 423(2) (?). β=117. 93(2)°, V =2337.1 (?)3. Mr = 480.43, Z = 4, Dx =1. 368g/cm3, μ = 4. 463cm-1,. F(000) = 1061. The final R is 0. 054 for 1778 observed reflections. X-ray crystallography demonstrates that the ligand in the complex is a condensation pro-suet from l:l 4-tert-butyl-6-formyl salicylaldehyde to benzoyl hydrazine. The compound has a five-coordinated square pyramidal VO3+ gump.     

SYNTHESIS AND CRYSTAL STRUCTURE OF A PLATINUM (Ⅱ) COMPLEX WITH MIXED DIPHOSPHINE AND THIOLATE LIG-ANDS, Pt(dppm)(SPh)_2

<正> The reaction of H2PtC14, Ph2PCH2PPh2(dppm) , NaSPh, and element selenium in DMF gives rise to a mononuclear complex Pt (dppm ) (SPh)2, PtS2P2C37H32, Mr = 797. 83, triclinic, space group P1, a = 10. 051(2), b = 11. 805 (3), c=15. 499(4)(?). α=109.41(3), β=90. 94(3), γ=107. 80°, V = 1636.3 (?)3. Z = 2, Dc= 1. 619gcm-3, * = 45. 749cm-1, and F(000) = 788. The final structural refinement converged with unweighted and weighted R factors of 0. 029 and 0. 044, respectively, for 4832 observed unique reflections with I>3σ(I). The complex is an asymmetric molecule with a four-coordinated Pt atom. The average of Pt -S and Pt-P bond distances are 2. 334(3) and 2. 260(3) (?), respectively.     

CRYSTAL STRUCTURE OF (Et_4N)_4[Mo_2Fe_7S_8(SPh)_(12)]

<正> (Et4N)4[Mo2Fe7S8(SPh)12] : Mw=2670.3, triclinic, p1, a=12.775(4), b=13.076(3), c=20.576(4)A, α=80.00(2), β=81.39(2), γ=61.51(2)°, V=2966.3(14) A3, Z=1, D=1.494 gcm-3, R=0.077 for 4031 observed reflections. The complex was prepared by reactions of (Et4N)2[Fe4(SPh) 10] with (Et4N)2MoS4 in an ace-tonitrile solution. The structure of [Mo2Fe7S8(SPh)12]4- anion is a double-cubane-like configuration bridged by a Fe(SPh)6 group.     

THE CRYSTAL STRUCTURE OF BIS(TETRAETHYLAMMONIUM)(μ-OXO)BIS[TRIPHENYL-THIOLATO-IRON(Ⅲ)],(Et_4N)_2[Fe_2O(SPh)_6]

<正> Fe_2OSsN_2C_(52)H_(70),Mr=1043.23,monoclinic, P21/a, a=18.121(3), b=15.249(3), c=20.369(4)A,β=102.49(8)°,V=5495(1)A3, Z=4, Dc=1.261g.cm-3,MoKα(λ =0.710691), μ=17.816mm-1, F(000)=2208. R=0.073 for 4374 observed reflections with I≥3.0σ(I). The structure of the anion contains a linear Fe-O-Fe unit, with mean Fe-O distance of 1.766(2)A. The coordination geometry about each iron atom is close to tetrahedral with the angles O-Fe-S and S-Fe-S being 115.3° and 103.1°, respectively.     

CRYSTAL STRUCTURE OF GdCl_3(DIMETHOXYETHANK)_2

<正> C8H2oCl3GdO4,Mr=443.80,monoclinic, space group P21/c, a=11.442 (3),b= 8.849(2), c= 15.575(5)A,β=104.8l(2)° ,V=1521.9(7)A3,Z= 4, DC = 1.94 g/cm3,λ(MoKα) =0.71069A,F(000)=860. The structure was solved by Patterson and Fourier techniques and refined by least-squares nethod to a final conventional lvalue of 0.051 (Rw=0.054). The central ion Gd(III) is bonded to three chlorine atoms and four oxygen atoms froa two dimethoxye-thane molecules to form a distorted pentagonal bipyramid. The Qd-Cl distances are in the range of 2.460-2.628A (average 2.571A). The Gd-O distances are in the range of 2.408-2.493A (average 2.458A).     

CRYSTAL STRUCTURE OF FeaTe_2(CO)_6(NO)(η_5-C_5H_5)

<正> The title compound belongs to triclinic system, space group PI, with dimensions: a = 9.237(1), b = 9.589(1), c = 10.424(1) A ; <*= 72.09(2)?ft- 88.79(2)? 3r=80.28(l)? Z = 2, V = 865.5 A3, Dx = 2.626 gcnr3. Final R = 0.026 and Rw = 0.036 for 2531 reflections.     

CRYSTAL STRUCTURE OF [Eu_2(Met)_3(Gly)(H_2O)_3](ClO_4)_6

<正> The crystal structure of [Eu2(Met)3(Gly)(H2O)2](ClO4)6(Met=CH3-S(CH2)2CHNH2COOH, Gly=NH2CH2COOH) belongs to monoclinic system with space group P21/n.The final R is 0.060. The Met and Gly are bonded as bidentate bridging ligands to Eu(III) atoms.     

CRYSTAL STRUCTURE OF Mo_2(u-S)_2(S_2P(OEt)_2)_4

<正> Mr=996.91, triclinic, P1, a=8.773(2), b=9.712(3), c=13.652(1) A; α=69.24(0), β=70.43(3), γ=66.87(l)°; Z=l, Dx=1.699 g/cm 3. Final R=0.053 for 3186 reflections with I≥3a(I). There is an interesting trans influence of μ-s bridge in this binuclear cluster. Mo-Mo distance is 2.752(1) A.     

CRYSTAL AND MOLBCULAR STRUCTURE OF MoO_2(Oxine)_2

<正> MoO2(C9H5NOH)2, Mr = 396,monoclinic,space group Cc,a = 13.369 (6), b = 9.408(4), c = 13.560(3)A,°=109.65°,V=1605A3,Z= 4,Dc= 1.639 g/cm3.R=0.027 for 1372 observed reflections [I>3o(I)]. X-ray analysis showed that the coordination sphere around molybdenum atom has a distorted octahedral geometry with two terminal oxygen atoms arranged in cis-form and two oxines act as bidentate ligands connected to the molybdenum through O and N atoms.Therefore, the molecule is not as Atovmyan described that the molybdenum atom is located on two-fold axis with space group C2/c but only approxiaately C2 synmetry.