#------------------------------------------------------------------------------ #$Date: 2008-01-13 22:15:36 +0000 (Sun, 13 Jan 2008) $ #$Revision: 14 $ #$URL: svn://www.crystallography.net/cod/cif/8/8100910.cif $ #------------------------------------------------------------------------------ # # This file is available in the Crystallography Open Database (COD), # http://www.crystallography.net/ # # All data on this site have been placed in the public domain by the # contributors. # data_8100910 _journal_name_full 'Zeitschrift fur Kristallographie - NCS' _journal_year 2001 _publ_section_title ; The structure of Cd4GeSe6 ; loop_ _publ_author_name 'Hesse, K.-F.' 'Czank, M.' 'Nemcsics*, A.' 'Nemcsics*, A.' _chemical_formula_sum 'Cd4 Ge Se6' _chemical_formula_weight 995.95 _symmetry_cell_setting monoclinic _symmetry_space_group_name_H-M 'C c' loop_ _symmetry_equiv_pos_as_xyz 'x, y, z' 'x, -y, z+1/2' 'x+1/2, y+1/2, z' 'x+1/2, -y+1/2, z+1/2' _cell_length_a 12.863(8) _cell_length_b 7.422(9) _cell_length_c 14.782(10) _cell_angle_alpha 90.00 _cell_angle_beta 125.02(5) _cell_angle_gamma 90.00 _cell_volume 1155.7(18) _cell_formula_units_Z 4 _cell_measurement_temperature 293(2) _exptl_crystal_density_diffrn 5.724 _diffrn_ambient_temperature 293(2) _refine_ls_R_factor_obs 0.0634 _refine_ls_wR_factor_obs 0.1705 loop_ _atom_site_label _atom_site_type_symbol _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv _atom_site_thermal_displace_type _atom_site_occupancy _atom_site_calc_flag _atom_site_refinement_flags _atom_site_disorder_group Cd1 Cd 0.7834(3) 0.1745(3) 0.9067(2) 0.0244(5) Uani 1 d . . Cd2 Cd 1.1604(3) 0.1385(3) 1.0992(2) 0.0251(5) Uani 1 d . . Cd3 Cd 0.4475(3) 0.1459(3) 0.9130(2) 0.0257(5) Uani 1 d . . Cd4 Cd 0.9940(3) 0.9484(3) 0.2503(3) 0.0291(5) Uani 1 d . . Ge1 Ge 0.4718(3) 0.0188(3) 0.6613(3) 0.0141(5) Uani 1 d . . Se1 Se 0.9674(3) -0.0026(4) 0.9127(3) 0.0183(5) Uani 1 d . . Se2 Se 0.5842(3) -0.0309(3) 0.8511(3) 0.0178(5) Uani 1 d . . Se3 Se 0.8419(3) 0.2303(4) 1.1105(3) 0.0214(5) Uani 1 d . . Se4 Se 1.2209(3) 0.0216(4) 1.2924(3) 0.0193(5) Uani 1 d . . Se5 Se 0.8435(3) -0.2640(3) 1.0762(3) 0.0172(5) Uani 1 d . . Se6 Se 0.6123(3) -0.0093(4) 1.1111(3) 0.0201(5) Uani 1 d . . loop_ _atom_site_aniso_label _atom_site_aniso_U_11 _atom_site_aniso_U_22 _atom_site_aniso_U_33 _atom_site_aniso_U_23 _atom_site_aniso_U_13 _atom_site_aniso_U_12 Cd1 0.0237(9) 0.0245(9) 0.0243(10) 0.0004(8) 0.0133(8) -0.0006(8) Cd2 0.0235(9) 0.0314(10) 0.0215(9) -0.0008(8) 0.0136(8) -0.0024(7) Cd3 0.0308(11) 0.0212(9) 0.0259(10) 0.0014(7) 0.0168(9) -0.0025(7) Cd4 0.0330(11) 0.0315(11) 0.0287(11) -0.0100(9) 0.0211(9) -0.0095(9) Ge1 0.0174(11) 0.0131(11) 0.0139(10) 0.0005(9) 0.0102(9) -0.0002(9) Se1 0.0229(11) 0.0159(10) 0.0187(11) -0.0008(9) 0.0135(9) -0.0009(9) Se2 0.0203(11) 0.0200(12) 0.0131(10) 0.0020(9) 0.0095(9) -0.0007(9) Se3 0.0267(12) 0.0182(11) 0.0213(12) -0.0009(9) 0.0150(10) -0.0070(9) Se4 0.0212(11) 0.0194(12) 0.0186(11) 0.0018(10) 0.0124(9) 0.0015(9) Se5 0.0199(11) 0.0153(11) 0.0173(10) 0.0025(9) 0.0113(9) 0.0027(9) Se6 0.0220(11) 0.0239(12) 0.0220(11) 0.0046(10) 0.0170(10) 0.0039(10) loop_ _geom_bond_atom_site_label_1 _geom_bond_atom_site_label_2 _geom_bond_distance _geom_bond_site_symmetry_2 _geom_bond_publ_flag Cd1 Se4 2.651(4) 4_454 ? Cd1 Se1 2.664(4) . ? Cd1 Se2 2.673(4) . ? Cd1 Se3 2.685(4) . ? Cd2 Se4 2.638(4) . ? Cd2 Se1 2.647(4) . ? Cd2 Se5 2.666(4) 3 ? Cd2 Se6 2.715(5) 3 ? Cd3 Se1 2.622(4) 3_455 ? Cd3 Se4 2.693(4) 2_454 ? Cd3 Se6 2.696(4) . ? Cd3 Se2 2.738(4) . ? Cd4 Se1 2.643(4) 2_564 ? Cd4 Se4 2.668(4) 1_564 ? Cd4 Se5 2.671(4) 1_564 ? Cd4 Se3 2.799(4) 1_564 ? Ge1 Se6 2.317(4) 2_554 ? Ge1 Se3 2.320(4) 4_454 ? Ge1 Se2 2.333(4) . ? Ge1 Se5 2.345(4) 4_444 ? Se1 Cd3 2.622(4) 3_545 ? Se1 Cd4 2.643(4) 2_565 ? Se3 Ge1 2.320(4) 4 ? Se3 Cd4 2.799(4) 1_546 ? Se4 Cd1 2.651(4) 4 ? Se4 Cd4 2.668(4) 1_546 ? Se4 Cd3 2.693(4) 2_655 ? Se5 Ge1 2.345(4) 4_545 ? Se5 Cd2 2.666(4) 3_445 ? Se5 Cd4 2.671(4) 1_546 ? Se6 Ge1 2.317(4) 2 ? Se6 Cd2 2.715(5) 3_445 ?