First Example of a Reversible Single-Crystal-to-Single-Crystal Polymerization-Depolymerization Accompanied by a Magnetic Anomaly for a Transition-Metal Complex with an Organic Radical
Victor I. Ovcharenko; Sergey V. Fokin; Elvina T. Kostina; Galina V. Romanenko; Artem S. Bogomyakov; Eugene V. Tretyakov; Inorganic Chemistry 51 (2012) 12188–12194; doi:10.1021/ic301328x

data_4331004
_publ_section_title
;
 First Example of a Reversible Single-Crystal-to-Single-Crystal
 Polymerization-Depolymerization Accompanied by a Magnetic Anomaly for a
 Transition-Metal Complex with an Organic Radical
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              12188
_journal_page_last               12194
_journal_paper_doi               10.1021/ic301328x
_journal_volume                  51
_journal_year                    2012
_chemical_formula_sum            'C23 H23 Cu F12 N4 O6'
_chemical_formula_weight         742.99
_chemical_name_systematic
; 
 ? 
;
_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           SHELXL-97
_cell_angle_alpha                89.606(5)
_cell_angle_beta                 77.580(5)
_cell_angle_gamma                63.539(5)
_cell_formula_units_Z            4
_cell_length_a                   14.2286(11)
_cell_length_b                   15.1117(11)
_cell_length_c                   16.2854(11)
_cell_measurement_reflns_used    6424
_cell_measurement_temperature    240(2)
_cell_measurement_theta_max      21.48
_cell_measurement_theta_min      2.57
_cell_volume                     3045.6(4)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      240(2)
_diffrn_measured_fraction_theta_full 0.960
_diffrn_measured_fraction_theta_max 0.960
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \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  0.0736
_diffrn_reflns_av_sigmaI/netI    0.1660
_diffrn_reflns_limit_h_max       18
_diffrn_reflns_limit_h_min       -18
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            40978
_diffrn_reflns_theta_full        28.38
_diffrn_reflns_theta_max         28.38
_diffrn_reflns_theta_min         1.65
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.834
_exptl_absorpt_correction_T_max  0.5510
_exptl_absorpt_correction_T_min  0.4788
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            black
_exptl_crystal_density_diffrn    1.620
_exptl_crystal_description       bulk
_exptl_crystal_F_000             1496
_exptl_crystal_size_max          0.18
_exptl_crystal_size_mid          0.12
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.541
_refine_diff_density_min         -0.416
_refine_diff_density_rms         0.053
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.804
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     1048
_refine_ls_number_reflns         14650
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.804
_refine_ls_R_factor_all          0.1740
_refine_ls_R_factor_gt           0.0426
_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^)+(0.0425P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0840
_refine_ls_wR_factor_ref         0.1111
_reflns_number_gt                5192
_reflns_number_total             14650
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic301328x_si_002_4.cif
_cod_data_source_block           240_45as
_cod_database_code               4331004