Aluminum and Gallium Hydrazides as Active Lewis Pairs: Cooperative C‒H Bond Activation with H‒C≡C‒Ph and Pentafluorobenzene
Uhl, Werner; Willeke, Matthias; Hengesbach, Frank; Hepp, Alexander; Layh, Marcus; Organometallics 35 (2016) 3701–; doi:10.1021/acs.organomet.6b00658

data_4089038
_publ_section_title
;
 Aluminum and Gallium Hydrazides as Active Lewis Pairs: Cooperative C--H
 Bond Activation with H--C\\tb C--Ph and Pentafluorobenzene
;
_journal_issue                   21
_journal_name_full               Organometallics
_journal_page_first              3701
_journal_paper_doi               10.1021/acs.organomet.6b00658
_journal_volume                  35
_journal_year                    2016
_chemical_formula_sum            'C28 H54 Ga2'
_chemical_formula_weight         530.15
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2014/7
_cell_angle_alpha                90
_cell_angle_beta                 109.2660(10)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   9.8665(2)
_cell_length_b                   16.3423(3)
_cell_length_c                   9.8666(2)
_cell_measurement_reflns_used    9987
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      30.025
_cell_measurement_theta_min      2.822
_cell_volume                     1501.81(5)
_computing_cell_refinement       'Bruker SAINT+'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SHELXTL'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-2014 (Sheldrick, 2014)'
_computing_structure_solution    'SHELXS-2014 (Sheldrick, 2014)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'omega scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0804
_diffrn_reflns_av_unetI/netI     0.0395
_diffrn_reflns_Laue_measured_fraction_full 0.997
_diffrn_reflns_Laue_measured_fraction_max 0.998
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       23
_diffrn_reflns_limit_k_min       -23
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            25988
_diffrn_reflns_point_group_measured_fraction_full 0.997
_diffrn_reflns_point_group_measured_fraction_max 0.998
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         30.034
_diffrn_reflns_theta_min         3.317
_diffrn_source                   microsource
_exptl_absorpt_coefficient_mu    1.805
_exptl_absorpt_correction_T_max  0.746
_exptl_absorpt_correction_T_min  0.5951
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.172
_exptl_crystal_description       block
_exptl_crystal_F_000             568
_exptl_crystal_size_max          0.530
_exptl_crystal_size_mid          0.270
_exptl_crystal_size_min          0.270
_refine_diff_density_max         0.434
_refine_diff_density_min         -0.664
_refine_diff_density_rms         0.067
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.145
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     185
_refine_ls_number_reflns         4381
_refine_ls_number_restraints     162
_refine_ls_restrained_S_all      1.138
_refine_ls_R_factor_all          0.0312
_refine_ls_R_factor_gt           0.0255
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0394P)^2^+0.1261P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0829
_refine_ls_wR_factor_ref         0.0853
_reflns_Friedel_coverage         0.000
_reflns_number_gt                3741
_reflns_number_total             4381
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            om6b00658_si_001.cif
_cod_data_source_block           sadp21c_a_(compound_5a)
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               4089038
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_min   0.448
_shelx_estimated_absorpt_t_max   0.641
_shelx_res_checksum              48153
_shelx_hkl_checksum              22968