N-Heterocyclic silylene/germylene ligands in Au(i) catalysis.
Parvin, Nasrina; Mishra, Bijoyananda; George, Anjana; Neralkar, Mahesh; Hossain, Jabed; Parameswaran, Pattiyil; Hotha, Srinivas; Khan, Shabana; Chemical communications (Cambridge, England) 56 (2020) 7625–7628; doi:10.1039/d0cc03156a

data_7126625
_publ_section_title
;
 N-Heterocyclic silylene/germylene ligands in Au(i) catalysis.
;
_journal_issue                   55
_journal_name_full
'Chemical communications (Cambridge, England)'
_journal_page_first              7625
_journal_page_last               7628
_journal_paper_doi               10.1039/d0cc03156a
_journal_volume                  56
_journal_year                    2020
_chemical_formula_moiety         'C21 H39 Au Cl Ge N3 Si2'
_chemical_formula_sum            'C21 H39 Au Cl Ge N3 Si2'
_chemical_formula_weight         694.74
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2014/7
_audit_update_record
;
2020-03-14 deposited with the CCDC.	2020-06-01 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 101.332(2)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   8.9235(5)
_cell_length_b                   18.5223(13)
_cell_length_c                   17.8450(12)
_cell_measurement_reflns_used    9646
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      27.50
_cell_measurement_theta_min      2.33
_cell_volume                     2892.0(3)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_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  0.0618
_diffrn_reflns_av_unetI/netI     0.0258
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 1.000
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       22
_diffrn_reflns_limit_k_min       -22
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            81573
_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         2.199
_exptl_absorpt_coefficient_mu    6.294
_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    1.596
_exptl_crystal_description       block
_exptl_crystal_F_000             1368
_exptl_transmission_factor_max   0.7457
_exptl_transmission_factor_min   0.5356
_refine_diff_density_max         0.501
_refine_diff_density_min         -0.787
_refine_diff_density_rms         0.145
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.119
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     274
_refine_ls_number_reflns         5233
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.119
_refine_ls_R_factor_all          0.0457
_refine_ls_R_factor_gt           0.0280
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0303P)^2^+2.2871P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0597
_refine_ls_wR_factor_ref         0.0668
_reflns_Friedel_coverage         0.000
_reflns_number_gt                4144
_reflns_number_total             5233
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d0cc03156a2.cif
_cod_data_source_block           mo_NP_Ge_AuCl_0m_a
_cod_depositor_comments
'Adding full bibliography for 7126624--7126629.cif.'
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               7126625
_shelx_shelxl_version_number     2014/7
_shelx_res_checksum              40432