Synthesis and Structural Characterization of Metallogermylenes, Cp-Substituted Germylene, and a Germanium(II)-Borane Adduct from Pyridyl-1-azaallyl Germanium(II) Chloride
Leung, Wing-Por; Chiu, Wang-Kin; Mak, Thomas C. W.; Organometallics 31 (2012) 6966–; doi:10.1021/om3007739

data_4079494
_publ_section_title
;
 Synthesis and Structural Characterization of Metallogermylenes,
 Cp-Substituted Germylene, and a Germanium(II)-Borane Adduct from
 Pyridyl-1-azaallyl Germanium(II) Chloride
;
_journal_issue                   19
_journal_name_full               Organometallics
_journal_page_first              6966
_journal_paper_doi               10.1021/om3007739
_journal_volume                  31
_journal_year                    2012
_chemical_formula_sum            'C24 H32 Ge N2 Si2'
_chemical_formula_weight         477.29
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 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                 100.549(7)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   9.922(4)
_cell_length_b                   13.749(5)
_cell_length_c                   18.760(7)
_cell_measurement_temperature    293(2)
_cell_volume                     2515.9(17)
_computing_cell_refinement       'BRUKER SMART CCD DIFFRACTOMETER'
_computing_data_collection       'BRUKER SMART CCD DIFFRACTOMETER'
_computing_data_reduction        'BRUKER SMART CCD DIFFRACTOMETER'
_computing_molecular_graphics    'SIEMENS SHELXTL'
_computing_publication_material  'SIEMENS SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'BRUKER SMART CCD DIFFRACTOMETER'
_diffrn_measurement_method       'OMEGA SCAN'
_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  0.0448
_diffrn_reflns_av_sigmaI/netI    0.0463
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            13426
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.85
_exptl_absorpt_coefficient_mu    1.325
_exptl_absorpt_correction_T_max  0.7456
_exptl_absorpt_correction_T_min  0.5158
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.260
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1000
_exptl_crystal_size_max          0.50
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.556
_refine_diff_density_min         -0.375
_refine_diff_density_rms         0.063
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.058
_refine_ls_hydrogen_treatment    riding
_refine_ls_matrix_type           full
_refine_ls_number_parameters     262
_refine_ls_number_reflns         4436
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.058
_refine_ls_R_factor_all          0.0529
_refine_ls_R_factor_gt           0.0373
_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^)+(0.0622P)^2^+0.0584P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0961
_refine_ls_wR_factor_ref         0.1073
_reflns_number_gt                3466
_reflns_number_total             4436
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om3007739_si_003.cif
_cod_data_source_block           CWK31
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1891 2012-01-12 08:04:46Z andrius 
;
_cod_original_sg_symbol_H-M      P2(1)/n
_cod_database_code               4079494