Two-coordinate terminal zinc hydride complexes: synthesis, structure and preliminary reactivity studies.
Dawkins, Michael J. C.; Middleton, Ewart; Kefalidis, Christos E.; Dange, Deepak; Juckel, Martin M.; Maron, Laurent; Jones, Cameron; Chemical communications (Cambridge, England) 52 (2016) 10490–10492; doi:10.1039/c6cc05445e

data_7124911
_publ_section_title
;
 Two-coordinate terminal zinc hydride complexes: synthesis, structure and
 preliminary reactivity studies.
;
_journal_issue                   69
_journal_name_full
'Chemical communications (Cambridge, England)'
_journal_page_first              10490
_journal_page_last               10492
_journal_paper_doi               10.1039/c6cc05445e
_journal_volume                  52
_journal_year                    2016
_chemical_formula_sum            'C45 H54 Br N O3 Si Zn'
_chemical_formula_weight         830.26
_space_group_IT_number           88
_space_group_name_Hall           '-I 4ad'
_space_group_name_H-M_alt        'I 41/a :2'
_symmetry_cell_setting           tetragonal
_symmetry_space_group_name_H-M   'I 41/a :2'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2016-06-30 deposited with the CCDC.
2016-08-02 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            16
_cell_length_a                   20.9835(10)
_cell_length_b                   20.9835(10)
_cell_length_c                   37.613(3)
_cell_measurement_reflns_used    7690
_cell_measurement_temperature    123(2)
_cell_measurement_theta_max      25.50
_cell_measurement_theta_min      2.95
_cell_volume                     16561.3(17)
_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-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick 2008)'
_diffrn_ambient_temperature      123(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Bruker Apex X8'
_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  0.0780
_diffrn_reflns_av_sigmaI/netI    0.1145
_diffrn_reflns_limit_h_max       25
_diffrn_reflns_limit_h_min       -18
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -24
_diffrn_reflns_limit_l_max       41
_diffrn_reflns_limit_l_min       -45
_diffrn_reflns_number            20894
_diffrn_reflns_theta_full        25.50
_diffrn_reflns_theta_max         25.50
_diffrn_reflns_theta_min         2.95
_exptl_absorpt_coefficient_mu    1.627
_exptl_absorpt_correction_T_max  0.792
_exptl_absorpt_correction_T_min  0.639
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Sortav (Blessing)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.332
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             6944
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.15
_refine_diff_density_max         1.034
_refine_diff_density_min         -0.684
_refine_diff_density_rms         0.094
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.023
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     479
_refine_ls_number_reflns         7690
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.023
_refine_ls_R_factor_all          0.1120
_refine_ls_R_factor_gt           0.0597
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0472P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1136
_refine_ls_wR_factor_ref         0.1364
_reflns_number_gt                4824
_reflns_number_total             7690
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c6cc05445e2.cif
_cod_data_source_block           compound2S
_cod_original_cell_volume        16561.1(17)
_cod_original_sg_symbol_H-M      I4(1)/a
_cod_database_code               7124911