<i>trans</i>-Diaquabis[5-carboxy-2-(3-pyridyl)-1<i>H</i>-imidazole-4-carboxylato-κ^2^<i>N</i>^3^,<i>O</i>^4^]iron(II)
Liu, Wei; Zhang, Gang; Li, Xia; Wu, Ben-Lai; Zhang, Hong-Yun; Acta Crystallographica Section E 65 (2009) m938–m939; doi:10.1107/S1600536809027457

data_2222603
_publ_section_title
<i>trans</i>-Diaquabis[5-carboxy-2-(3-pyridyl)-1<i>H</i>-imidazole-4-carboxylato-\k^2^<i>N</i>^3^,<i>O</i>^4^]iron(II)
_journal_coeditor_code           BV2118
_journal_issue                   8
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              m938
_journal_page_last               m939
_journal_paper_doi               10.1107/S1600536809027457
_journal_volume                  65
_journal_year                    2009
_chemical_formula_iupac          '[Fe (C10 H6 N3 O4)2 (H2 O)2]'
_chemical_formula_moiety         'C20 H16 Fe N6 O10'
_chemical_formula_sum            'C20 H16 Fe N6 O10'
_chemical_formula_weight         556.24
_chemical_name_systematic
;
<i>trans</i>-Diaquabis[5-carboxy-2-(3-pyridyl)-1<i>H</i>-imidazole-4-
carboxylato-\k^2^<i>N</i>^3^,<i>O</i>^4^]iron(II)
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           CrystalClearVersion1.3
_cell_angle_alpha                82.28(3)
_cell_angle_beta                 83.84(3)
_cell_angle_gamma                70.66(3)
_cell_formula_units_Z            1
_cell_length_a                   7.0100(14)
_cell_length_b                   8.6670(17)
_cell_length_c                   9.4110(19)
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      28.00
_cell_measurement_theta_min      2.50
_cell_volume                     533.4(2)
_computing_cell_refinement       'CrystalClear (Rigaku, 2000)'
_computing_data_collection       'CrystalClear (Rigaku, 2000)'
_computing_data_reduction        'CrystalClear (Rigaku, 2000)'
_computing_molecular_graphics    'SHELXTL (Sheldrick, 2008)'
_computing_publication_material  'SHELXTL (Sheldrick, 2008)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.990
_diffrn_measured_fraction_theta_max 0.990
_diffrn_measurement_device_type  'Rigaku Mercury CCD'
_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  0.0228
_diffrn_reflns_av_sigmaI/netI    0.0342
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            4126
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         26.00
_diffrn_reflns_theta_min         2.50
_exptl_absorpt_coefficient_mu    0.782
_exptl_absorpt_correction_T_max  0.8904
_exptl_absorpt_correction_T_min  0.8262
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(CrystalClear; Rigaku, 2000)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.732
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Block
_exptl_crystal_F_000             284
_exptl_crystal_size_max          0.285
_exptl_crystal_size_mid          0.242
_exptl_crystal_size_min          0.19
_refine_diff_density_max         0.473
_refine_diff_density_min         -0.549
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.040
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     172
_refine_ls_number_reflns         2084
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.040
_refine_ls_R_factor_all          0.0498
_refine_ls_R_factor_gt           0.0384
_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^)+(0.0571P)^2^+0.2007P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0980
_refine_ls_wR_factor_ref         0.1051
_reflns_number_gt                1693
_reflns_number_total             2084
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            bv2118.cif
_cod_data_source_block           I
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic'
dictionary named 'cif_core.dic' version 2.4.1 from
2010-06-29.

'_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:

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

'_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_cell_volume        533.41(18)
_cod_database_code               2222603
_cod_database_fobs_code          2222603