Phosphine-Stabilized Digermavinylidene.
Krebs, Kilian M.; Hanselmann, Dominik; Schubert, Hartmut; Wurst, Kai; Scheele, Marcus; Wesemann, Lars; Journal of the American Chemical Society 141 (2019) 3424–3429; doi:10.1021/jacs.8b13645

data_4127793
_publ_section_title
;
 Phosphine-Stabilized Digermavinylidene.
;
_journal_issue                   8
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              3424
_journal_page_last               3429
_journal_paper_doi               10.1021/jacs.8b13645
_journal_volume                  141
_journal_year                    2019
_chemical_formula_sum            'C60 H77 Cl2 Ge2 P'
_chemical_formula_weight         1045.26
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2014
_cell_angle_alpha                90
_cell_angle_beta                 98.803(3)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   18.6494(9)
_cell_length_b                   14.2540(7)
_cell_length_c                   20.7950(11)
_cell_measurement_reflns_used    9607
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      27.20
_cell_measurement_theta_min      2.86
_cell_volume                     5462.8(5)
_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_detector_area_resol_mean 8.3333
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.992
_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  0.0394
_diffrn_reflns_av_unetI/netI     0.0245
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.992
_diffrn_reflns_limit_h_max       23
_diffrn_reflns_limit_h_min       -23
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -26
_diffrn_reflns_number            100484
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.992
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.235
_diffrn_reflns_theta_min         1.739
_diffrn_source                   'sealed tube'
_exptl_absorpt_coefficient_mu    1.264
_exptl_absorpt_correction_T_max  0.9026
_exptl_absorpt_correction_T_min  0.7163
_exptl_absorpt_correction_type   numerical
_exptl_absorpt_process_details   'SADABS V2008/1 (Bruker AXS)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.271
_exptl_crystal_description       prism
_exptl_crystal_F_000             2200
_exptl_crystal_size_max          0.400
_exptl_crystal_size_mid          0.229
_exptl_crystal_size_min          0.149
_refine_diff_density_max         1.170
_refine_diff_density_min         -0.891
_refine_diff_density_rms         0.091
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.266
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     621
_refine_ls_number_reflns         12133
_refine_ls_number_restraints     80
_refine_ls_restrained_S_all      1.283
_refine_ls_R_factor_all          0.0587
_refine_ls_R_factor_gt           0.0518
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+21.6349P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1139
_refine_ls_wR_factor_ref         0.1162
_reflns_Friedel_coverage         0.000
_reflns_number_gt                10852
_reflns_number_total             12133
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ja8b13645_si_002.cif
_cod_data_source_block           KK403_0m_a
_cod_database_code               4127793
_shelx_estimated_absorpt_t_min   0.632
_shelx_estimated_absorpt_t_max   0.834
_shelxl_version_number           2014-3
_shelx_res_checksum              37347
_shelx_hkl_checksum              69138