<i>catena</i>-Poly[[diaquacalcium(II)]bis[μ-2-oxo-1,2-dihydropyridine-1-acetato]]
Jing-Gui Zhao; Shan Gao; Zhu-Yan Zhang; Li-Hua Huo; Hui Zhao; Acta Crystallographica Section E 62 (2006) m278–m280; doi:10.1107/S160053680501473X

data_2208147
_publ_section_title
<i>catena</i>-Poly[[diaquacalcium(II)]bis[\m-2-oxo-1,2-dihydropyridine-1-acetato]]
_journal_coeditor_code           RZ6076
_journal_issue                   2
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              m278
_journal_page_last               m280
_journal_paper_doi               10.1107/S160053680501473X
_journal_volume                  62
_journal_year                    2006
_chemical_formula_iupac          '[Ca (C7 H6 N O3)2 (H2 O)2]'
_chemical_formula_moiety         'C14 H16 Ca N2 O8'
_chemical_formula_sum            'C14 H16 Ca N2 O8'
_chemical_formula_weight         380.37
_chemical_name_systematic
;
catena-Poly[[diaquacalcium(II)]bis[\m-2-oxo-1,2-dihydropyridine-1-acetato]]
;
_space_group_IT_number           33
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2c -2n'
_symmetry_space_group_name_H-M   'P n a 21'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   7.9996(16)
_cell_length_b                   8.2377(16)
_cell_length_c                   24.153(5)
_cell_measurement_reflns_used    11561
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      27.48
_cell_measurement_theta_min      3.54
_cell_volume                     1591.6(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      296(2)
_diffrn_detector_area_resol_mean 10
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.994
_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  0.0263
_diffrn_reflns_av_sigmaI/netI    0.0185
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       31
_diffrn_reflns_limit_l_min       -31
_diffrn_reflns_number            13703
_diffrn_reflns_theta_full        27.48
_diffrn_reflns_theta_max         27.48
_diffrn_reflns_theta_min         3.37
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.442
_exptl_absorpt_correction_T_max  0.928
_exptl_absorpt_correction_T_min  0.846
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(ABSCOR; Higashi, 1995)'
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    1.587
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Sheet
_exptl_crystal_F_000             792
_exptl_crystal_size_max          0.39
_exptl_crystal_size_mid          0.24
_exptl_crystal_size_min          0.17
_refine_diff_density_max         0.246
_refine_diff_density_min         -0.181
_refine_ls_abs_structure_details 'Flack (1983). 1739 Friedel pairs.'
_refine_ls_abs_structure_Flack   0.11(3)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.001
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     239
_refine_ls_number_reflns         3590
_refine_ls_number_restraints     7
_refine_ls_restrained_S_all      1.000
_refine_ls_R_factor_all          0.0378
_refine_ls_R_factor_gt           0.0303
_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^)+(0.0479P)^2^+0.2343P] where P = (Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0700
_refine_ls_wR_factor_ref         0.0734
_reflns_number_gt                3187
_reflns_number_total             3590
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            rz6076.cif
_cod_data_source_block           I
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Orthorhombic' changed to 'orthorhombic'
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 'Orthorhombic' changed to
'orthorhombic' 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_database_code               2208147
_cod_database_fobs_code          2208147