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_1546888
_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         'C58 H74 B2 Ge2 N6'
_chemical_formula_sum            'C58 H74 B2 Ge2 N6'
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_chemical_name_systematic
;
 ?
;
_space_group_crystal_system      monoclinic
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_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2017-02-17 deposited with the CCDC.
2017-08-24 downloaded from the CCDC.
;
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_cell_angle_beta                 114.791(10)
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_computing_cell_refinement       'COLLECT and DENZO'
_computing_data_collection
'COLLECT (Hooft, 1998) and DENZO (Otwinowski & Minor, 1997)'
_computing_data_reduction        'COLLECT and DENZO'
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_computing_structure_refinement  'SHELXL-2013 (Sheldrick, 2013)'
_computing_structure_solution    'SIR92 (Altomare et al., 1994)'
_diffrn_ambient_temperature      150(1)
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_diffrn_measured_fraction_theta_full 0.987
_diffrn_measured_fraction_theta_max 0.969
_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
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_diffrn_reflns_av_unetI/netI     0.0667
_diffrn_reflns_Laue_measured_fraction_full 0.987
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_diffrn_reflns_limit_k_min       -14
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_diffrn_reflns_limit_l_min       -32
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_diffrn_reflns_theta_min         2.035
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_exptl_absorpt_process_details
;
Gaussian integration (Coppens, 1970)
;
_exptl_crystal_colour            colourless
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_exptl_crystal_size_min          0.15
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_refine_diff_density_rms         0.087
_refine_ls_extinction_method     none
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_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
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_refine_ls_number_reflns         12326
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_refine_ls_restrained_S_all      1.131
_refine_ls_R_factor_all          0.0993
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_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0054P)^2^+10.9347P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0810
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_reflns_Friedel_coverage         0.000
_reflns_number_gt                8407
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_reflns_threshold_expression     'I > 2\s(I)'
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_cod_database_code               1546888