Unique Approach to Copper(I) Silylene Chalcogenone Complexes.
Parvin, Nasrina; Pal, Shiv; Khan, Shabana; Das, Shubhajit; Pati, Swapan K.; Roesky, Herbert W.; Inorganic chemistry 56 (2017) 1706–1712; doi:10.1021/acs.inorgchem.6b02833

data_4345442
_publ_section_title
;
 Unique Approach to Copper(I) Silylene Chalcogenone Complexes.
;
_journal_issue                   3
_journal_name_full               'Inorganic chemistry'
_journal_page_first              1706
_journal_page_last               1712
_journal_paper_doi               10.1021/acs.inorgchem.6b02833
_journal_volume                  56
_journal_year                    2017
_chemical_formula_moiety         'C21 H41 Br Cu N3 Se Si3'
_chemical_formula_sum            'C21 H41 Br Cu N3 Se Si3'
_chemical_formula_weight         642.25
_space_group_crystal_system      orthorhombic
_space_group_IT_number           61
_space_group_name_Hall           '-P 2ac 2ab'
_space_group_name_H-M_alt        'P b c a'
_symmetry_space_group_name_Hall  '-P 2ac 2ab'
_symmetry_space_group_name_H-M   'P b c a'
_atom_sites_solution_hydrogens   geom
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_cell_angle_beta                 90
_cell_angle_gamma                90
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_cell_length_c                   19.893(2)
_cell_measurement_reflns_used    9998
_cell_measurement_temperature    100(2)
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_cell_measurement_theta_min      2.25
_cell_volume                     5638.5(10)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
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_computing_structure_refinement  'SHELXL-2014 (Sheldrick 2014)'
_computing_structure_solution    'SHELXS-97 (Sheldrick 2008)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.1942
_diffrn_reflns_av_unetI/netI     0.0572
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 1.000
_diffrn_reflns_limit_h_max       21
_diffrn_reflns_limit_h_min       -21
_diffrn_reflns_limit_k_max       18
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_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            128051
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 1.000
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         25.250
_diffrn_reflns_theta_min         2.247
_exptl_absorpt_coefficient_mu    3.625
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'Sheldrick, G. M. (2012) SADABS. Bruker AXS Inc., Madison, Wisconsin, USA.'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.513
_exptl_crystal_description       block
_exptl_crystal_F_000             2624
_exptl_crystal_size_max          0.1
_exptl_crystal_size_mid          0.1
_exptl_crystal_size_min          0.1
_exptl_transmission_factor_max   0.7457
_exptl_transmission_factor_min   0.5756
_refine_diff_density_max         0.732
_refine_diff_density_min         -0.599
_refine_diff_density_rms         0.162
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.349
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     283
_refine_ls_number_reflns         5105
_refine_ls_number_restraints     6
_refine_ls_restrained_S_all      1.348
_refine_ls_R_factor_all          0.1116
_refine_ls_R_factor_gt           0.0793
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+42.2225P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1042
_refine_ls_wR_factor_ref         0.1137
_reflns_Friedel_coverage         0.000
_reflns_number_gt                4019
_reflns_number_total             5105
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ic6b02833_si_002.cif
_cod_data_source_block           7_a
_cod_original_cell_volume        5638.4(10)
_cod_database_code               4345442
_shelx_shelxl_version_number     2014/7
_shelx_res_checksum              36150
_shelx_hkl_checksum              67321