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_4067369
_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            'C32 H36 Ge O4'
_chemical_formula_weight         557.20
_chemical_name_systematic
; 
 tetrakis(o-ethoxyphenyl)germane 
;
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/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                 92.7420(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   13.6906(12)
_cell_length_b                   12.5077(11)
_cell_length_c                   16.1770(14)
_cell_measurement_reflns_used    5158
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      25.35
_cell_measurement_theta_min      2.51
_cell_volume                     2766.9(4)
_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-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w 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  0.0308
_diffrn_reflns_av_sigmaI/netI    0.0309
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            9388
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.35
_diffrn_reflns_theta_min         2.21
_exptl_absorpt_coefficient_mu    1.142
_exptl_absorpt_correction_T_max  0.8038
_exptl_absorpt_correction_T_min  0.7404
_exptl_absorpt_correction_type   none
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.338
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1168
_exptl_crystal_size_max          0.28
_exptl_crystal_size_mid          0.24
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.481
_refine_diff_density_min         -0.176
_refine_diff_density_rms         0.044
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.036
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     330
_refine_ls_number_reflns         2530
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.036
_refine_ls_R_factor_all          0.0329
_refine_ls_R_factor_gt           0.0266
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0376P)^2^+0.3016P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0612
_refine_ls_wR_factor_ref         0.0640
_reflns_number_gt                2258
_reflns_number_total             2530
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om900905c_si_001.cif
_cod_data_source_block           schaef9
_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 2.4.1 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      C2/c
_cod_database_code               4067369