Facile activation of alkynes with a boraguanidinato-stabilized germylene: a combined experimental and theoretical study
Böserle, Jiří; Zhigulin, Grigory; Štěpnička, Petr; Horký, Filip; Erben, Milan; Jambor, Roman; R°užička, Aleš; Ketkov, Sergey; Dostál, Libor; Dalton Transactions 46 (2017) 12339–12353; doi:10.1039/C7DT01950E

data_1546887
_publ_section_title
;
 Facile activation of alkynes with a boraguanidinato-stabilized germylene:
 a combined experimental and theoretical study
;
_journal_issue                   36
_journal_name_full               'Dalton Transactions'
_journal_page_first              12339
_journal_page_last               12353
_journal_paper_doi               10.1039/C7DT01950E
_journal_volume                  46
_journal_year                    2017
_chemical_formula_moiety         'C56 H74 B2 Fe Ge2 N6'
_chemical_formula_sum            'C56 H74 B2 Fe Ge2 N6'
_chemical_formula_weight         1053.86
_chemical_name_systematic
; 
 ? 
;
_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
_audit_update_record
;
2017-02-17 deposited with the CCDC.
2017-08-24 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 112.682(3)
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   52.0662(4)
_cell_length_b                   10.3231(2)
_cell_length_c                   21.2294(4)
_cell_measurement_reflns_used    97676
_cell_measurement_temperature    150(1)
_cell_measurement_theta_max      27.5
_cell_measurement_theta_min      1
_cell_volume                     10528.0(4)
_computing_cell_refinement       'COLLECT and DENZO'
_computing_data_collection
'COLLECT (Hooft, 1998) and DENZO (Otwinowski & Minor, 1997)'
_computing_data_reduction        'COLLECT and DENZO'
_computing_molecular_graphics    'PLATON (Spek, 2003)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SIR92 (Altomare et al., 1994)'
_diffrn_ambient_temperature      150(1)
_diffrn_detector_area_resol_mean 9.091
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  'Bruker Nonius KappaCCD area detector'
_diffrn_measurement_method       '\f and \w scans to fill the Ewald sphere'
_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  0.1057
_diffrn_reflns_av_sigmaI/netI    0.0531
_diffrn_reflns_limit_h_max       67
_diffrn_reflns_limit_h_min       -67
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -27
_diffrn_reflns_number            97484
_diffrn_reflns_theta_full        27.50
_diffrn_reflns_theta_max         27.50
_diffrn_reflns_theta_min         2.02
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    1.449
_exptl_absorpt_correction_T_max  0.867
_exptl_absorpt_correction_T_min  0.703
_exptl_absorpt_correction_type   integration
_exptl_absorpt_process_details
;
Gaussian integration (Coppens, 1970)
;
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    1.330
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             4416
_exptl_crystal_size_max          0.46
_exptl_crystal_size_mid          0.23
_exptl_crystal_size_min          0.11
_refine_diff_density_max         0.679
_refine_diff_density_min         -0.684
_refine_diff_density_rms         0.090
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.153
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     604
_refine_ls_number_reflns         12046
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.153
_refine_ls_R_factor_all          0.0791
_refine_ls_R_factor_gt           0.0439
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0096P)^2^+36.4344P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0756
_refine_ls_wR_factor_ref         0.0899
_reflns_number_gt                8940
_reflns_number_total             12046
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c7dt01950e5.cif
_cod_data_source_block           2a
_cod_original_sg_symbol_H-M      'C 2/c'
_cod_database_code               1546887