Catalyst design based on agostic interactions: synthesis, characterization, and catalytic activity of bis(pyrazolyl)borate copper complexes.
Cao, Hou-Ji; Zhao, Qianyi; Zhang, Qian-Fan; Li, Jiaxuan; Hamilton, Ewan J. M.; Zhang, Jie; Wang, Lai-Sheng; Chen, Xuenian; Dalton transactions (Cambridge, England : 2003) 45 (2016) 10194–10199; doi:10.1039/c6dt01272h

data_7039142
_publ_section_title
;
 Catalyst design based on agostic interactions: synthesis,
 characterization, and catalytic activity of bis(pyrazolyl)borate copper
 complexes.
;
_journal_issue                   25
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              10194
_journal_page_last               10199
_journal_paper_doi               10.1039/c6dt01272h
_journal_volume                  45
_journal_year                    2016
_chemical_formula_sum            'C50 H50 B Cu N4 P2'
_chemical_formula_weight         843.23
_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_update_record
;
2015-12-16 deposited with the CCDC.
2016-04-28 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 100.1216(15)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   12.0830(5)
_cell_length_b                   23.5983(9)
_cell_length_c                   15.6640(6)
_cell_measurement_reflns_used    9870
_cell_measurement_temperature    123.(2)
_cell_measurement_theta_max      29.2402
_cell_measurement_theta_min      2.3390
_cell_volume                     4396.9(3)
_computing_cell_refinement       'SAINT V8.34A (Bruker AXS Inc., 2013)'
_computing_data_collection       'APEX2 (Bruker AXS Inc., 2014)'
_computing_data_reduction        'SAINT V8.34A (Bruker AXS Inc., 2013)'
_computing_molecular_graphics    'XP (Bruker AXS Inc., 2014)'
_computing_publication_material  'APEX2 (Bruker AXS Inc., 2014)'
_computing_structure_refinement  'SHELXL-2014/6 (Sheldrick, 2014)'
_diffrn_ambient_temperature      123.(2)
_diffrn_detector_area_resol_mean 8.3333
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0625
_diffrn_reflns_av_unetI/netI     0.0432
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       34
_diffrn_reflns_limit_k_min       -34
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            132659
_diffrn_reflns_theta_full        31.06
_diffrn_reflns_theta_max         31.06
_diffrn_reflns_theta_min         2.49
_diffrn_source                   'fine-focus sealed tube'
_exptl_absorpt_coefficient_mu    0.609
_exptl_absorpt_correction_T_max  0.79
_exptl_absorpt_correction_T_min  0.70
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS V2014/4 (Bruker AXS Inc.)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.274
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1768
_exptl_crystal_size_max          0.420
_exptl_crystal_size_mid          0.410
_exptl_crystal_size_min          0.400
_refine_diff_density_max         0.432
_refine_diff_density_min         -0.404
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.024
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     523
_refine_ls_number_reflns         14054
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.024
_refine_ls_R_factor_all          0.0681
_refine_ls_R_factor_gt           0.0400
_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^)+(0.0368P)^2^+3.1976P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0861
_refine_ls_wR_factor_ref         0.0992
_reflns_number_gt                10422
_reflns_number_total             14054
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c6dt01272h2.cif
_cod_data_source_block           I
_cod_depositor_comments
'Adding full bibliography for 7039142--7039144.cif.'
_cod_database_code               7039142
_shelx_res_checksum              67238