From selenidostannates to silver-selenidostannate: structural variation of chalcogenidometallates synthesized in ionic liquids
Jian-Rong Li; Wei-Wei Xiong; Zai-Lai Xie; Cheng-Feng Du; Guo-Dong Zou; Xiao-Ying Huang; Chem.Commun. 49 (2013) 181–; doi:10.1039/c2cc37051d

data_7108722
_publ_section_title
;
 From selenidostannates to silver-selenidostannate: structural variation
 of chalcogenidometallates synthesized in ionic liquids
;
_journal_name_full               Chem.Commun.
_journal_page_first              181
_journal_paper_doi               10.1039/c2cc37051d
_journal_volume                  49
_journal_year                    2013
_chemical_formula_moiety         'Se7 Sn3,2(C9 H17 N2)'
_chemical_formula_sum            'C18 H34 N4 Se7 Sn3'
_chemical_formula_weight         1215.28
_chemical_name_systematic
;
?
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 94.539(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   24.538(4)
_cell_length_b                   13.961(2)
_cell_length_c                   19.434(4)
_cell_measurement_reflns_used    13845
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      27.4835
_cell_measurement_theta_min      3.0098
_cell_volume                     6637(2)
_computing_cell_refinement       'CrystalClear (Rigaku/MSC Inc., 2005)'
_computing_data_collection       'CrystalClear (Rigaku/MSC Inc., 2005)'
_computing_data_reduction        'CrystalClear (Rigaku/MSC Inc., 2005)'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_detector_area_resol_mean 14.6306
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'Mercury CCD'
_diffrn_measurement_method       CCD_Profile_fitting
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'Rotating Anode'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0373
_diffrn_reflns_av_sigmaI/netI    0.0389
_diffrn_reflns_limit_h_max       31
_diffrn_reflns_limit_h_min       -31
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            50421
_diffrn_reflns_theta_full        27.49
_diffrn_reflns_theta_max         27.49
_diffrn_reflns_theta_min         2.21
_diffrn_standards_number         15819
_exptl_absorpt_coefficient_mu    9.933
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.4964
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'CrystalClear (Rigaku/MSC Inc., 2005)'
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    2.432
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       lathe
_exptl_crystal_F_000             4464
_exptl_crystal_size_max          0.28
_exptl_crystal_size_mid          0.18
_exptl_crystal_size_min          0.14
_refine_diff_density_max         1.212
_refine_diff_density_min         -1.233
_refine_diff_density_rms         0.156
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.091
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     721
_refine_ls_number_reflns         15171
_refine_ls_number_restraints     1923
_refine_ls_restrained_S_all      1.379
_refine_ls_R_factor_all          0.0597
_refine_ls_R_factor_gt           0.0443
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0541P)^2^+10.3742P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1095
_refine_ls_wR_factor_ref         0.1196
_reflns_number_gt                12041
_reflns_number_total             15171
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c2cc37051d.txt
_cod_data_source_block           compound-4_JL7-48E
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               7108722