Zn and Ni complexes of pyridine-2,6-di-carboxyl-ates: crystal field stabilization matters!
Kremer, Marius; Englert, Ulli; Acta crystallographica. Section E, Crystallographic communications 75 (2019) 903–911; doi:10.1107/S2056989019007461

data_2311593
_publ_section_title
;
 Zn and Ni complexes of pyridine-2,6-di-carboxyl-ates: crystal field
 stabilization matters!
;
_journal_coeditor_code           WM5493
_journal_issue                   'Pt 6'
_journal_name_full
'Acta crystallographica. Section E, Crystallographic communications'
_journal_page_first              903
_journal_page_last               911
_journal_paper_doi               10.1107/S2056989019007461
_journal_volume                  75
_journal_year                    2019
_chemical_formula_iupac          '[Zn (C7 H3 N O5)], H2 O'
_chemical_formula_moiety         'C7 H3 N O5 Zn, H2 O'
_chemical_formula_sum            'C14 H10 N2 O12 Zn2'
_chemical_formula_weight         529.02
_chemical_name_systematic
;
Poly[[(4-hydroxypyridine-2,6-dicarboxylato)zinc(II)] monohydrate]
;
_space_group_crystal_system      tetragonal
_space_group_IT_number           114
_space_group_name_Hall           'P -4 2n'
_space_group_name_H-M_alt        'P -4 21 c'
_atom_sites_solution_hydrogens   mixed
_audit_creation_method           SHELXL-2013
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   10.0500(10)
_cell_length_b                   10.0500(10)
_cell_length_c                   16.5060(16)
_cell_measurement_reflns_used    5895
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      26.95
_cell_measurement_theta_min      2.37
_cell_volume                     1667.1(3)
_computing_cell_refinement
;
SAINT-Plus (Bruker, 2009)
;
_computing_data_collection
;
SMART (Bruker, 2001)
;
_computing_data_reduction
;
SAINT-Plus (Bruker, 2009)
;
_computing_molecular_graphics
;
Mercury (Macrae <i>et al.</i> (2006)
;
_computing_publication_material
;
SHELXL-2013 (Sheldrick, 2015b)
;
_computing_structure_refinement
;
SHELXL-2013 (Sheldrick, 2015b)
;
_computing_structure_solution
;
SHELXT (Sheldrick, 2015a)
;
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.987
_diffrn_measurement_device_type  'Bruker APEX CCD'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  'multilayer optics'
_diffrn_radiation_source         microsource
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0466
_diffrn_reflns_av_unetI/netI     0.0300
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            24393
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         30.919
_diffrn_reflns_theta_min         2.373
_exptl_absorpt_coefficient_mu    2.955
_exptl_absorpt_correction_T_max  0.7461
_exptl_absorpt_correction_T_min  0.4969
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS (Bruker, 2008)
;
_exptl_crystal_colour            brown
_exptl_crystal_density_diffrn    2.108
_exptl_crystal_description       block
_exptl_crystal_F_000             1056
_exptl_crystal_size_max          0.160
_exptl_crystal_size_mid          0.100
_exptl_crystal_size_min          0.090
_refine_diff_density_max         0.704
_refine_diff_density_min         -0.459
_refine_ls_abs_structure_details
;
 Refined as an inversion twin
;
_refine_ls_abs_structure_Flack   0.47(2)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.074
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     141
_refine_ls_number_reflns         2567
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.074
_refine_ls_R_factor_all          0.0382
_refine_ls_R_factor_gt           0.0334
_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^)+(0.0285P)^2^+3.4402P]
 where P=(Fo^2^+2Fc^2^)/3
;
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0774
_refine_ls_wR_factor_ref         0.0787
_reflns_number_gt                2371
_reflns_number_total             2567
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            wm5493sup1.cif
_cod_data_source_block           4
_cod_original_cell_volume        1667.1(4)
_cod_database_code               2311593
_shelx_estimated_absorpt_t_min   0.649
_shelx_estimated_absorpt_t_max   0.777
_shelx_hkl_checksum              90199
_shelx_res_checksum              22275
_shelxl_version_number           20.13