Valence Tautomeric Transitions with Thermal Hysteresis around Room Temperature and Photoinduced Effects Observed in a Cobalt-Tetraoxolene Complex
Jun Tao; Hiroyuki Maruyama; Osamu Sato; Journal of the American Chemical Society 128 (2006) 1790–1791; doi:10.1021/ja057488u

data_4110419
_publ_contact_author
;
      Prof. Osamu Sato
      Institute for Materials Chemistry and Engineering  
      Kyushu University 
      Kasuga 816-8580, Fukuoka 
      Japan
;
_publ_contact_author_email       sato@cm.kyushu-u.ac.jp
_publ_contact_author_fax         81-92-583-7787
_publ_contact_author_phone       81-92-583-7787
_publ_section_title
;
 Valence Tautomeric Transitions with Thermal Hysteresis around Room
 Temperature and Photoinduced Effects Observed in a Cobalt-Tetraoxolene
 Complex
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              1790
_journal_page_last               1791
_journal_paper_doi               10.1021/ja057488u
_journal_volume                  128
_journal_year                    2006
_chemical_formula_sum            'C21 H19 Co F6 N4 O2 P'
_chemical_formula_weight         563.30
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/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                 91.27(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   11.478(2)
_cell_length_b                   16.101(3)
_cell_length_c                   11.446(2)
_cell_measurement_temperature    173(2)
_cell_volume                     2114.8(7)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.990
_diffrn_measured_fraction_theta_max 0.990
_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  0.0000
_diffrn_reflns_av_sigmaI/netI    0.1294
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       24
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            7627
_diffrn_reflns_theta_full        32.57
_diffrn_reflns_theta_max         32.57
_diffrn_reflns_theta_min         3.09
_exptl_absorpt_coefficient_mu    0.969
_exptl_absorpt_correction_T_max  0.9265
_exptl_absorpt_correction_T_min  0.7730
_exptl_crystal_density_diffrn    1.769
_exptl_crystal_F_000             1140
_exptl_crystal_size_max          0.28
_exptl_crystal_size_mid          0.22
_exptl_crystal_size_min          0.08
_refine_diff_density_max         0.493
_refine_diff_density_min         -0.767
_refine_diff_density_rms         0.089
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.877
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     316
_refine_ls_number_reflns         7627
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.877
_refine_ls_R_factor_all          0.1268
_refine_ls_R_factor_gt           0.0567
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0404P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1074
_refine_ls_wR_factor_ref         0.1276
_reflns_number_gt                3718
_reflns_number_total             7627
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja057488usi20051110_041336_2.cif
_cod_data_source_block           Complex[2.(PF6)2]
_cod_original_cell_volume        2114.9(7)
_cod_database_code               4110419