Use of73Ge NMR Spectroscopy and X-ray Crystallography for the Study of Electronic Interactions in Substituted Tetrakis(phenyl)-, -(phenoxy)-, and -(thiophenoxy)germanes
Yoder, Claude H.; Agee, Tamara M.; Griffith, Allison K.; Schaeffer, Charles D.; Carroll, Mary J.; DeToma, Alaina S.; Fleisher, Adam J.; Gettel, Cameron J.; Rheingold, Arnold L.; Organometallics 29 (2010) 582–; doi:10.1021/om900905c

data_4067368
_publ_section_title
;
 Use of73Ge NMR Spectroscopy and X-ray Crystallography for the Study of
 Electronic Interactions in Substituted Tetrakis(phenyl)-, -(phenoxy)-,
 and -(thiophenoxy)germanes
;
_journal_issue                   3
_journal_name_full               Organometallics
_journal_page_first              582
_journal_paper_doi               10.1021/om900905c
_journal_volume                  29
_journal_year                    2010
_chemical_formula_sum            'C28 H28 Ge O4'
_chemical_formula_weight         501.09
_chemical_name_systematic
; 
 tetrakis(o-methoxyphenyl)germane 
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                80.6290(10)
_cell_angle_beta                 82.1780(10)
_cell_angle_gamma                89.6300(10)
_cell_formula_units_Z            2
_cell_length_a                   8.5326(9)
_cell_length_b                   8.8304(9)
_cell_length_c                   16.6832(16)
_cell_measurement_reflns_used    7322
_cell_measurement_temperature    208(2)
_cell_measurement_theta_max      27.67
_cell_measurement_theta_min      2.41
_cell_volume                     1228.5(2)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_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      208(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.892
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_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  0.0439
_diffrn_reflns_av_sigmaI/netI    0.0482
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            16960
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         28.67
_diffrn_reflns_theta_min         2.34
_exptl_absorpt_coefficient_mu    1.278
_exptl_absorpt_correction_T_max  0.8828
_exptl_absorpt_correction_T_min  0.7161
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.355
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             520
_exptl_crystal_size_max          0.28
_exptl_crystal_size_mid          0.28
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.357
_refine_diff_density_min         -0.340
_refine_diff_density_rms         0.053
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.992
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     302
_refine_ls_number_reflns         5651
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.992
_refine_ls_R_factor_all          0.0535
_refine_ls_R_factor_gt           0.0361
_refine_ls_shift/su_max          0.050
_refine_ls_shift/su_mean         0.002
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0400P)^2^+0.2000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0806
_refine_ls_wR_factor_ref         0.0890
_reflns_number_gt                4429
_reflns_number_total             5651
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om900905c_si_001.cif
_cod_data_source_block           schaef3
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               4067368