Polymorphism of Potassium Ferrocyanide Trihydrate as Studied by Solid-State Multinuclear NMR Spectroscopy and X-ray Diffraction
Mathew J. Willans; Roderick E. Wasylishen; Robert McDonald; Inorganic Chemistry 48 (2009) 4342–4353; doi:10.1021/ic802134j

data_4302110
_publ_section_title
;
Polymorphism of Potassium Ferrocyanide Trihydrate as Studied by Solid-State
Multinuclear NMR Spectroscopy and X-ray Diffraction
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_journal_name_full               'Inorganic Chemistry'
_journal_page_first              4342
_journal_page_last               4353
_journal_paper_doi               10.1021/ic802134j
_journal_volume                  48
_journal_year                    2009
_chemical_formula_moiety         '4(K), C6 Fe N6, 3(H2 O)'
_chemical_formula_sum            'C6 H6 Fe K4 N6 O3'
_chemical_formula_weight         422.42
_chemical_name_common            'Potassium Ferrocyanide Trihydrate'
_chemical_name_systematic        'Potassium Hexacyanoferrate(II) Trihydrate'
_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   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 90.0691(18)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   9.3790(10)
_cell_length_b                   16.8444(18)
_cell_length_c                   9.3919(10)
_cell_measurement_reflns_used    3049
_cell_measurement_temperature    295(2)
_cell_measurement_theta_max      26.39
_cell_measurement_theta_min      2.42
_cell_volume                     1483.8(3)
_computing_cell_refinement       'Bruker SAINT (Bruker, 1997)'
_computing_data_collection       'Bruker SMART (Bruker, 1997)'
_computing_data_reduction        'Bruker SAINT (Bruker, 1997)'
_computing_molecular_graphics    'Bruker SHELXTL (Bruker, 1997)'
_computing_publication_material  'Bruker SHELXTL (Bruker, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      295(2)
_diffrn_detector_area_resol_mean 8.192
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type
'Bruker PLATFORM diffractometer/SMART 1000 CCD area detector'
_diffrn_measurement_method       '\w scans'
_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  0.0366
_diffrn_reflns_av_sigmaI/netI    0.0305
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            5667
_diffrn_reflns_theta_full        26.39
_diffrn_reflns_theta_max         26.39
_diffrn_reflns_theta_min         2.42
_diffrn_standards_decay_%        0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    2.151
_exptl_absorpt_correction_T_max  0.7978
_exptl_absorpt_correction_T_min  0.7386
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Sheldrick, 1996)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.891
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             840
_exptl_crystal_size_max          0.15
_exptl_crystal_size_mid          0.14
_exptl_crystal_size_min          0.11
_refine_diff_density_max         0.770
_refine_diff_density_min         -0.272
_refine_diff_density_rms         0.086
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.060
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     98
_refine_ls_number_reflns         1527
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.060
_refine_ls_R_factor_all          0.0379
_refine_ls_R_factor_gt           0.0308
_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^)+(0.0451P)^2^+1.3108P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0773
_refine_ls_wR_factor_ref         0.0811
_reflns_number_gt                1331
_reflns_number_total             1527
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            ic802134j_si_002_1.cif
_cod_data_source_block           rew0313
_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 
;
_cod_original_sg_symbol_H-M      'C 2/c'
_cod_database_code               4302110