Quaternary Tellurides with Different Valent Ge Centers: Cs2Ge3M6Te14 (M = Ga, In)
Cheng-Yi Zhang; Liu-Jiang Zhou; Ling Chen; Inorganic Chemistry 51 (2012) 7007–7009; doi:10.1021/ic300599q

data_4329623
_publ_section_title
;
 Quaternary Tellurides with Different Valent Ge Centers: Cs2Ge3M6Te14 (M =
 Ga, In)
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              7007
_journal_page_last               7009
_journal_paper_doi               10.1021/ic300599q
_journal_volume                  51
_journal_year                    2012
_chemical_formula_moiety         'Cs2 Ga6 Ge3 Te14'
_chemical_formula_sum            'Cs2 Ga6 Ge3 Te14'
_chemical_formula_weight         2688.31
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           164
_symmetry_cell_setting           trigonal
_symmetry_space_group_name_Hall  '-P 3 2"'
_symmetry_space_group_name_H-M   'P -3 m 1'
_atom_sites_solution_hydrogens   -
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                120.00
_cell_formula_units_Z            1
_cell_length_a                   8.2475(2)
_cell_length_b                   8.2475(2)
_cell_length_c                   14.2734(8)
_cell_measurement_reflns_used    2121
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      27.3679
_cell_measurement_theta_min      2.8517
_cell_volume                     840.82(6)
_computing_cell_refinement       'CrystalClear (Rigaku Inc., 2007)'
_computing_data_collection       'CrystalClear (Rigaku Inc., 2007)'
_computing_data_reduction        'CrystalClear (Rigaku Inc., 2007)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_detector_area_resol_mean 13.6612
_diffrn_measured_fraction_theta_full 0.993
_diffrn_measured_fraction_theta_max 0.993
_diffrn_measurement_device_type  Mercury2
_diffrn_measurement_method       CCD_Profile_fitting
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0366
_diffrn_reflns_av_sigmaI/netI    0.0209
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            5409
_diffrn_reflns_theta_full        24.98
_diffrn_reflns_theta_max         24.98
_diffrn_reflns_theta_min         2.85
_exptl_absorpt_coefficient_mu    21.401
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.3573
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            black
_exptl_crystal_density_diffrn    5.309
_exptl_crystal_description       block
_exptl_crystal_F_000             1120
_exptl_crystal_size_max          0.1000
_exptl_crystal_size_mid          0.0800
_exptl_crystal_size_min          0.0800
_refine_diff_density_max         1.078
_refine_diff_density_min         -0.671
_refine_diff_density_rms         0.148
_refine_ls_extinction_coef       0.00520(13)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.067
_refine_ls_hydrogen_treatment    -
_refine_ls_matrix_type           full
_refine_ls_number_parameters     31
_refine_ls_number_reflns         604
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.067
_refine_ls_R_factor_all          0.0218
_refine_ls_R_factor_gt           0.0212
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0102P)^2^+5.6846P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0472
_refine_ls_wR_factor_ref         0.0475
_reflns_number_gt                595
_reflns_number_total             604
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic300599q_si_001_1.cif
_cod_data_source_block           Cs2Ga6Ge3Te14
_cod_database_code               4329623