Analysis of crystallographic structures of Ni(ii) complexes of α-amino acid Schiff bases: elucidation of the substituent effect on stereochemical preferences.
Nian, Yong; Wang, Jiang; Moriwaki, Hiroki; Soloshonok, Vadim A.; Liu, Hong; Dalton transactions (Cambridge, England : 2003) 46 (2017) 4191–4198; doi:10.1039/c7dt00014f

data_7042301
_publ_section_title
;
 Analysis of crystallographic structures of Ni(ii) complexes of \a-amino
 acid Schiff bases: elucidation of the substituent effect on
 stereochemical preferences.
;
_journal_issue                   13
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              4191
_journal_page_last               4198
_journal_paper_doi               10.1039/c7dt00014f
_journal_volume                  46
_journal_year                    2017
_chemical_absolute_configuration ad
_chemical_formula_sum            'C28 H27 N3 Ni O3'
_chemical_formula_weight         512.23
_chemical_name_systematic
; 
 ? 
;
_space_group_crystal_system      orthorhombic
_space_group_IT_number           19
_space_group_name_Hall           'P 2ac 2ab'
_space_group_name_H-M_alt        'P 21 21 21'
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2013
_audit_update_record
;
2016-11-30 deposited with the CCDC.
2017-03-01 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   9.7857(8)
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_cell_length_c                   25.741(2)
_cell_measurement_reflns_used    3573
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      47.320
_cell_measurement_theta_min      4.453
_cell_volume                     2489.8(3)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SHELXTL'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-2013 (Sheldrick, 2013)'
_computing_structure_solution    'Bruker SHELXTL'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0429
_diffrn_reflns_av_unetI/netI     0.0484
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 1.000
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       30
_diffrn_reflns_limit_l_min       -31
_diffrn_reflns_number            14407
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 1.000
_diffrn_reflns_theta_full        25.242
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_diffrn_reflns_theta_min         2.207
_exptl_absorpt_coefficient_mu    0.814
_exptl_absorpt_correction_T_max  0.7456
_exptl_absorpt_correction_T_min  0.6469
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.366
_exptl_crystal_description       prismatic
_exptl_crystal_F_000             1072
_exptl_crystal_size_max          0.200
_exptl_crystal_size_mid          0.160
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_refine_diff_density_min         -0.414
_refine_diff_density_rms         0.061
_refine_ls_abs_structure_details
; 
 Flack x determined using 1491 quotients [(I+)-(I-)]/[(I+)+(I-)] 
 (Parsons and Flack (2004), Acta Cryst. A60, s61). 
;
_refine_ls_abs_structure_Flack   0.005(10)
_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         4626
_refine_ls_number_restraints     36
_refine_ls_restrained_S_all      1.078
_refine_ls_R_factor_all          0.0589
_refine_ls_R_factor_gt           0.0505
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0767P)^2^+0.6009P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1286
_refine_ls_wR_factor_ref         0.1348
_reflns_Friedel_coverage         0.750
_reflns_Friedel_fraction_full    1.000
_reflns_Friedel_fraction_max     1.000
_reflns_number_gt                3962
_reflns_number_total             4626
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c7dt00014f2.cif
_cod_data_source_block           cd16563
_cod_depositor_comments
'Adding full bibliography for 7042298--7042301.cif.'
_cod_original_cell_volume        2489.9(4)
_cod_database_code               7042301
_shelx_estimated_absorpt_t_min   0.854
_shelx_estimated_absorpt_t_max   0.902
_shelxl_version_number           2013-4
_shelx_res_checksum              20988