Deciphering preferred geometries of pyridylmethylamines-based complexes: A robust strategy combining NMR, DFT and X-ray
Large, Benjamin; Meddeb, Maissa; Pucheta, José Enrique Herbert; Gaucher, Anne; Cordier, Marie; Gosmini, Corinne; Farjon, Jonathan; Auffrant, Audrey; Prim, Damien; Inorganica Chimica Acta 498 (2019) 119070–; doi:10.1016/j.ica.2019.119070

data_1565721
_publ_section_title
;
 Deciphering preferred geometries of pyridylmethylamines-based complexes:
 A robust strategy combining NMR, DFT and X-ray
;
_journal_name_full               'Inorganica Chimica Acta'
_journal_page_first              119070
_journal_paper_doi               10.1016/j.ica.2019.119070
_journal_volume                  498
_journal_year                    2019
_chemical_formula_moiety         'C14 H16 Br2 N2 Zn'
_chemical_formula_sum            'C14 H16 Br2 N2 Zn'
_chemical_formula_weight         437.48
_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'
_atom_sites_solution_hydrogens   mixed
_audit_creation_method           SHELXL-2014/7
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   8.9967(7)
_cell_length_b                   12.7415(7)
_cell_length_c                   13.8223(11)
_cell_measurement_reflns_used    2369
_cell_measurement_temperature    150.0(1)
_cell_measurement_theta_max      26.6112
_cell_measurement_theta_min      2.7013
_cell_volume                     1584.5(2)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'PLATON (Spek, 2009)'
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_computing_structure_solution    SHELXT(Sheldrick,2014)
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Kappa APEX II'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71069
_diffrn_reflns_av_R_equivalents  0.0581
_diffrn_reflns_av_unetI/netI     0.0846
_diffrn_reflns_Laue_measured_fraction_full 0.998
_diffrn_reflns_Laue_measured_fraction_max 0.998
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            9934
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.999
_diffrn_reflns_theta_full        25.240
_diffrn_reflns_theta_max         28.280
_diffrn_reflns_theta_min         2.174
_exptl_absorpt_coefficient_mu    6.581
_exptl_absorpt_correction_T_max  0.7460
_exptl_absorpt_correction_T_min  0.4492
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.834
_exptl_crystal_description       block
_exptl_crystal_F_000             856
_exptl_crystal_size_max          0.380
_exptl_crystal_size_mid          0.200
_exptl_crystal_size_min          0.180
_refine_diff_density_max         0.637
_refine_diff_density_min         -0.593
_refine_diff_density_rms         0.118
_refine_ls_abs_structure_details
;
 Refined as an inversion twin.
;
_refine_ls_abs_structure_Flack   -0.029(18)
_refine_ls_extinction_coef       .
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.931
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     177
_refine_ls_number_reflns         3900
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.931
_refine_ls_R_factor_all          0.0650
_refine_ls_R_factor_gt           0.0374
_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^)+(0.0125P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0633
_refine_ls_wR_factor_ref         0.0719
_reflns_Friedel_coverage         0.755
_reflns_Friedel_fraction_full    1.000
_reflns_Friedel_fraction_max     1.000
_reflns_number_gt                3032
_reflns_number_total             3900
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ICA-2019-498-119070.cif
_cod_data_source_block           aam40_a
_cod_database_code               1565721
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_min   0.189
_shelx_estimated_absorpt_t_max   0.384
_shelx_res_checksum              32560
_shelx_hkl_checksum              58459