Properties of Prussian Blue Materials Manifested in Molecular Complexes: Observation of Cyanide Linkage Isomerism and Spin-Crossover Behavior in Pentanuclear Cyanide Clusters
Mikhail Shatruk; Alina Dragulescu-Andrasi; Kristen Chambers; Sebastian A. Stoian; Emile L. Bominaar; Catalina Achim; Kim R. Dunbar; Journal of the American Chemical Society 129 (2007) 6104–6116; doi:10.1021/ja066273x

data_4109408
_publ_contact_author_address
; 
Department of Chemistry
Texas A&M University
PO Box 30012 
College Station 
Texas 77842-3012 
USA
;
_publ_contact_author_email       dunbar@mail.chem.tamu.edu
_publ_contact_author_fax         (979)8457177
_publ_contact_author_name        'Dunbar, Kim R.'
_publ_contact_author_phone       (979)8625235
_publ_section_title
;
 Properties of Prussian Blue Materials Manifested in Molecular Complexes:
 Observation of Cyanide Linkage Isomerism and Spin-Crossover Behavior in
 Pentanuclear Cyanide Clusters
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              6104
_journal_page_last               6116
_journal_paper_doi               10.1021/ja066273x
_journal_volume                  129
_journal_year                    2007
_chemical_formula_sum            'C108 H96 Cr2 Fe3 N24'
_chemical_formula_weight         2001.64
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           154
_symmetry_cell_setting           trigonal
_symmetry_space_group_name_Hall  'P 32 2"'
_symmetry_space_group_name_H-M   'P 32 2 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                 90.00
_cell_angle_gamma                120.00
_cell_formula_units_Z            3
_cell_length_a                   24.8535(12)
_cell_length_b                   24.8535(12)
_cell_length_c                   20.228(2)
_cell_measurement_reflns_used    479
_cell_measurement_temperature    150(2)
_cell_volume                     10820.8(13)
_computing_cell_refinement       'SMART V5.625 (Bruker, 2000)'
_computing_data_collection       'SMART V5.625 (Bruker, 2000)'
_computing_data_reduction        'SAINT V6.32 (Bruker, 2001)'
_computing_molecular_graphics    'X-Seed (Barbour, 2001)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Bruker SMART 1000 CCD area-detector'
_diffrn_measurement_method       'profile data from \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  0.0920
_diffrn_reflns_av_sigmaI/netI    0.0764
_diffrn_reflns_limit_h_max       31
_diffrn_reflns_limit_h_min       -31
_diffrn_reflns_limit_k_max       30
_diffrn_reflns_limit_k_min       -31
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            87889
_diffrn_reflns_theta_full        26.37
_diffrn_reflns_theta_max         26.37
_diffrn_reflns_theta_min         0.95
_exptl_absorpt_coefficient_mu    0.482
_exptl_absorpt_correction_T_max  0.9763
_exptl_absorpt_correction_T_min  0.8930
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS v2.03 (Bruker, 2003)'
_exptl_crystal_colour            'burgundy red'
_exptl_crystal_density_diffrn    0.922
_exptl_crystal_description       block
_exptl_crystal_F_000             3114
_exptl_crystal_size_max          0.24
_exptl_crystal_size_mid          0.12
_exptl_crystal_size_min          0.05
_platon_squeeze_details          ' ?'
_refine_diff_density_max         0.559
_refine_diff_density_min         -0.434
_refine_diff_density_rms         0.091
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.00(3)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.990
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     631
_refine_ls_number_reflns         14746
_refine_ls_number_restraints     371
_refine_ls_restrained_S_all      1.008
_refine_ls_R_factor_all          0.1049
_refine_ls_R_factor_gt           0.0818
_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^)+(0.1379P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2061
_refine_ls_wR_factor_ref         0.2199
_reflns_number_gt                10442
_reflns_number_total             14746
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja066273xsi20060829_022543.cif
_cod_data_source_block           z:\x-ray\ms090\work\p32_21
_cod_original_cell_volume        10820.6(13)
_cod_database_code               4109408