Hexaaquazinc(II) bis(6-hydroxypyridine-3-carboxylate)
Zhang, Xue-Li; Lu, Yu-Juan; Li, Ji-Zhen; Ng, Seik Weng; Acta Crystallographica Section E 61 (2005) m1063–m1064; doi:10.1107/S1600536805013917

data_2205962
_publ_section_title
;
 Hexaaquazinc(II) bis(6-hydroxypyridine-3-carboxylate)
;
_journal_issue                   6
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              m1063
_journal_page_last               m1064
_journal_paper_doi               10.1107/S1600536805013917
_journal_volume                  61
_journal_year                    2005
_chemical_formula_iupac          '[Zn (H2 O)6] (C6 H4 N O3)2'
_chemical_formula_moiety         'H12 O6 Zn 2+, 2C6 H4 N O3 -'
_chemical_formula_sum            'C12 H20 N2 O12 Zn'
_chemical_formula_weight         449.67
_chemical_name_systematic
;
Hexaaquazinc(II) bis(6-hydroxypyridine-3-carboxylate)
;
_space_group_IT_number           12
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2y'
_symmetry_space_group_name_H-M   'C 1 2/m 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 91.286(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   11.5680(10)
_cell_length_b                   9.7800(10)
_cell_length_c                   7.6255(7)
_cell_measurement_reflns_used    1640
_cell_measurement_temperature    295(2)
_cell_measurement_theta_max      27.5
_cell_measurement_theta_min      2.7
_cell_volume                     862.49(14)
_computing_cell_refinement       'SAINT (Bruker, 2002)'
_computing_data_collection       'SMART (Bruker, 2002)'
_computing_data_reduction        SAINT
_computing_molecular_graphics    'ORTEPII (Johnson, 1976)'
_computing_publication_material  SHELXL97
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 1997'
_diffrn_ambient_temperature      295(2)
_diffrn_measured_fraction_theta_full 0.95
_diffrn_measured_fraction_theta_max 0.95
_diffrn_measurement_device_type  'Bruker APEX area-detector'
_diffrn_measurement_method       '\f and \w'
_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  0.033
_diffrn_reflns_av_sigmaI/netI    0.032
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       9
_diffrn_reflns_limit_l_min       -7
_diffrn_reflns_number            2428
_diffrn_reflns_theta_full        27.5
_diffrn_reflns_theta_max         27.5
_diffrn_reflns_theta_min         2.7
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    1.493
_exptl_absorpt_correction_T_max  0.716
_exptl_absorpt_correction_T_min  0.211
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Bruker, 2002)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.732
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             464
_exptl_crystal_size_max          0.34
_exptl_crystal_size_mid          0.31
_exptl_crystal_size_min          0.24
_refine_diff_density_max         0.40
_refine_diff_density_min         -0.35
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.12
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     113
_refine_ls_number_reflns         992
_refine_ls_number_restraints     14
_refine_ls_restrained_S_all      1.11
_refine_ls_R_factor_all          0.038
_refine_ls_R_factor_gt           0.038
_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^)+(0.0522P)^2^+1.9207P] where P = (Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.106
_refine_ls_wR_factor_ref         0.107
_reflns_number_gt                979
_reflns_number_total             992
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            hg6177.cif
_cod_data_source_block           I
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic'
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 

The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_cell_volume        862.50(10)
_cod_original_sg_symbol_H-M      'C 2/m'
_cod_database_code               2205962
_cod_database_fobs_code          2205962