Polymeric hexa-μ-nicotinato-tricadmium(II) tetrahydrate
Chen Hong-Ji; Acta Crystallographica Section C 59 (2003) m371–m372; doi:10.1107/S0108270103016731

data_2013517
_publ_section_title
;
 Polymeric hexa-\m-nicotinato-tricadmium(II) tetrahydrate
;
_journal_issue                   9
_journal_name_full               'Acta Crystallographica Section C'
_journal_page_first              m371
_journal_page_last               m372
_journal_paper_doi               10.1107/S0108270103016731
_journal_volume                  59
_journal_year                    2003
_chemical_formula_iupac          '[Cd3 (C6 H4 N O2)6], 4H2 O'
_chemical_formula_moiety         'C36 H32 Cd3 N6 O16'
_chemical_formula_sum            'C36 H32 Cd3 N6 O16'
_chemical_formula_weight         1141.88
_chemical_name_systematic
;
poly[hexa(nicotinato)tricadmium(II) tetrahydrate]
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 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                 95.160(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   11.825(11)
_cell_length_b                   8.195(8)
_cell_length_c                   20.097(11)
_cell_measurement_reflns_used    25
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      15.0
_cell_measurement_theta_min      6.5
_cell_volume                     1940(3)
_computing_cell_refinement       SHELXTL-Plus
_computing_data_collection       'SHELXTL-Plus (Siemens, 1990)'
_computing_data_reduction        SHELXTL-Plus
_computing_molecular_graphics    SHELXTL-Plus
_computing_publication_material  SHELXL97
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.992
_diffrn_measured_fraction_theta_max 0.992
_diffrn_measurement_device_type  'Siemens R3m'
_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  0.0998
_diffrn_reflns_av_sigmaI/netI    0.0229
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -26
_diffrn_reflns_number            4705
_diffrn_reflns_theta_full        28.04
_diffrn_reflns_theta_max         28.04
_diffrn_reflns_theta_min         2.03
_diffrn_standards_decay_%        none
_diffrn_standards_interval_count 200
_diffrn_standards_number         2
_exptl_absorpt_coefficient_mu    1.713
_exptl_absorpt_correction_T_max  0.641
_exptl_absorpt_correction_T_min  0.569
_exptl_absorpt_correction_type   psi-scan
_exptl_absorpt_process_details   'Kopfman & Huber (1968)'
_exptl_crystal_colour            Yellow
_exptl_crystal_density_diffrn    1.955
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Prismatic
_exptl_crystal_F_000             1124
_exptl_crystal_size_max          0.32
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.26
_refine_diff_density_max         2.631
_refine_diff_density_min         -1.049
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.094
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     278
_refine_ls_number_reflns         4489
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.094
_refine_ls_R_factor_all          0.0531
_refine_ls_R_factor_gt           0.0486
_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^)+(0.0881P)^2^+3.6257P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1309
_refine_ls_wR_factor_ref         0.1349
_reflns_number_gt                4063
_reflns_number_total             4489
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            sk1659.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.

'_geom_bond_publ_flag' value 'YES' changed to 'yes' according
to '/home/saulius/struct/CIF-dictionaries/cif_core.dic' dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29 (7
times).

'_geom_bond_publ_flag' value 'Yes' changed to 'yes' according to
'/home/saulius/struct/CIF-dictionaries/cif_core.dic' dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29 (3 times).

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.

'_geom_bond_publ_flag' value 'YES' changed to 'yes'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29 (7
times).

'_geom_bond_publ_flag' value 'Yes' changed to 'yes'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29 (3
times).

'_geom_angle_publ_flag' value 'Yes' changed to 'yes'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29 (30
times).

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 

The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'not measured' was changed to '?'
- the value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 3008 2015-01-20 13:52:24Z robertas 
;
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               2013517
_cod_database_fobs_code          2013517