Substituent Effects in Digermanes: Electrochemical, Theoretical, and Structural Investigations
Schrick, Erin K.; Forget, Trevor J.; Roewe, Kimberly D.; Schrick, Aaron C.; Moore, Curtis E.; Golen, James A.; Rheingold, Arnold L.; Materer, Nicholas F.; Weinert, Charles S.; Organometallics 32 (2013) 2245–; doi:10.1021/om400132z

data_4080612
_publ_section_title
;
 Substituent Effects in Digermanes: Electrochemical, Theoretical, and
 Structural Investigations
;
_journal_issue                   7
_journal_name_full               Organometallics
_journal_page_first              2245
_journal_paper_doi               10.1021/om400132z
_journal_volume                  32
_journal_year                    2013
_chemical_formula_moiety         'C24 H30 Ge2'
_chemical_formula_sum            'C24 H30 Ge2'
_chemical_formula_weight         463.66
_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                87.343(5)
_cell_angle_beta                 85.481(5)
_cell_angle_gamma                65.243(5)
_cell_formula_units_Z            2
_cell_length_a                   8.2473(8)
_cell_length_b                   9.8391(10)
_cell_length_c                   15.0469(13)
_cell_measurement_reflns_used    6232
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      26.44
_cell_measurement_theta_min      2.28
_cell_volume                     1105.21(19)
_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, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.995
_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  0.0286
_diffrn_reflns_av_sigmaI/netI    0.0293
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            16071
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         26.53
_diffrn_reflns_theta_min         1.36
_exptl_absorpt_coefficient_mu    2.724
_exptl_absorpt_correction_T_max  0.8115
_exptl_absorpt_correction_T_min  0.6854
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.393
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             476
_exptl_crystal_size_max          0.15
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.08
_refine_diff_density_max         0.391
_refine_diff_density_min         -0.342
_refine_diff_density_rms         0.058
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.039
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     240
_refine_ls_number_reflns         4585
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.039
_refine_ls_R_factor_all          0.0293
_refine_ls_R_factor_gt           0.0222
_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^)+(0.0219P)^2^+0.4993P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0518
_refine_ls_wR_factor_ref         0.0544
_reflns_number_gt                3970
_reflns_number_total             4585
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om400132z_si_003.cif
_cod_data_source_block           wein133
_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 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1891 2012-01-12 08:04:46Z andrius 
;
_cod_original_cell_volume        1105.21(18)
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               4080612