Tetraaquabis(4-carboxy-1<i>H</i>-imidazole-5-carboxylato-κ^2^<i>N,O</i>)calcium(II) monohydrate
Gao, Shan; Zhang, Xian-Fa; Huo, Li-Hua; Zhao, Hui; Acta Crystallographica Section E 60 (2004) m1790–m1792; doi:10.1107/S1600536804028132

data_2204694
_publ_section_title
;Tetraaquabis(4-carboxy-1<i>H</i>-imidazole-5-carboxylato-\k^2^<i>N,O</i>)calcium(II)
 monohydrate
;
_journal_issue                   12
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              m1790
_journal_page_last               m1792
_journal_paper_doi               10.1107/S1600536804028132
_journal_volume                  60
_journal_year                    2004
_chemical_formula_iupac          '[Ca (C5 H3 N2 O4)2 (H2 O)4], H2 O'
_chemical_formula_moiety         'C10 H14 Ca N4 O12, H2 O'
_chemical_formula_sum            'C10 H16 Ca N4 O13'
_chemical_formula_weight         440.35
_chemical_name_systematic
;
Tetraaquabis(4-carboxy-1H-imidazole-5-carboxylato-\k^2^N,O)calcium(II)
monohydrate
;
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 1'
_atom_sites_solution_hydrogens   'difmap (O-H) and geom (C-H and N-H)'
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                90.00
_cell_angle_beta                 103.64(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   8.2685(17)
_cell_length_b                   11.949(2)
_cell_length_c                   17.525(4)
_cell_measurement_reflns_used    7559
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      27.45
_cell_measurement_theta_min      3.06
_cell_volume                     1682.6(6)
_computing_cell_refinement       RAPID-AUTO
_computing_data_collection       'RAPID-AUTO (Rigaku, 1998)'
_computing_data_reduction        'CrystalStructure (Rigaku/MSC, 2002)'
_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      293(2)
_diffrn_detector_area_resol_mean 10
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Rigaku R-AXIS RAPID'
_diffrn_measurement_method       \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  0.0268
_diffrn_reflns_av_sigmaI/netI    0.0207
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            8019
_diffrn_reflns_theta_full        27.47
_diffrn_reflns_theta_max         27.47
_diffrn_reflns_theta_min         3.06
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.455
_exptl_absorpt_correction_T_max  0.922
_exptl_absorpt_correction_T_min  0.872
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(ABSCOR; Higashi, 1995)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.738
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Prism
_exptl_crystal_F_000             912
_exptl_crystal_size_max          0.31
_exptl_crystal_size_mid          0.24
_exptl_crystal_size_min          0.18
_refine_diff_density_max         0.405
_refine_diff_density_min         -0.346
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.045
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     146
_refine_ls_number_reflns         1935
_refine_ls_number_restraints     10
_refine_ls_restrained_S_all      1.044
_refine_ls_R_factor_all          0.041
_refine_ls_R_factor_gt           0.035
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w = 1/[\s^2^(Fo^2^)+(0.057P)^2^+1.3396P] where P = (Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.094
_refine_ls_wR_factor_ref         0.097
_reflns_number_gt                1712
_reflns_number_total             1935
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            hb6121.cif
_cod_data_source_block           I
_cod_depositor_comments
;
The following automatic conversions were performed:
'_exptl_absorpt_correction_type' value 'Multi-scan' changed to
'multi-scan' 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:

'_exptl_absorpt_correction_type' value 'Multi-scan' changed to
'multi-scan' 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_sg_symbol_H-M      'C 2/c'
_cod_database_code               2204694
_cod_database_fobs_code          2204694