One-dimensional magnetic chain composed of Cu<sup>II</sup> and polychlorinated dipyridylphenylmethyl radical: temperature-dependent Jahn-Teller distortion correlated to π-conjugation and magnetic properties.
Kimura, Shun; Uchida, Hikaru; Kusamoto, Tetsuro; Nishihara, Hiroshi; Dalton transactions (Cambridge, England : 2003) 48 (2019) 7090–7093; doi:10.1039/c8dt05104f

data_7048743
_publ_section_title
;
 One-dimensional magnetic chain composed of Cu<sup>II</sup> and
 polychlorinated dipyridylphenylmethyl radical: temperature-dependent
 Jahn-Teller distortion correlated to \p-conjugation and magnetic
 properties.
;
_journal_issue                   21
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              7090
_journal_page_last               7093
_journal_paper_doi               10.1039/c8dt05104f
_journal_volume                  48
_journal_year                    2019
_chemical_formula_moiety         'C27 H8 Cl7 Cu F12 N2 O4'
_chemical_formula_sum            'C27 H8 Cl7 Cu F12 N2 O4'
_chemical_formula_weight         964.07
_space_group_crystal_system      monoclinic
_space_group_IT_number           15
_space_group_name_Hall           '-C 2yc'
_space_group_name_H-M_alt        'C 1 2/c 1'
_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_update_record
;
2019-01-14 deposited with the CCDC.
2019-01-21 downloaded from the CCDC.
;
_cell_angle_alpha                90.0000
_cell_angle_beta                 102.478(7)
_cell_angle_gamma                90.0000
_cell_formula_units_Z            4
_cell_length_a                   15.3428(18)
_cell_length_b                   11.0604(10)
_cell_length_c                   20.949(3)
_cell_measurement_reflns_used    4457
_cell_measurement_temperature    140
_cell_measurement_theta_max      27.50
_cell_measurement_theta_min      3.00
_cell_volume                     3471.0(7)
_computing_cell_refinement       'CrystalClear-SM Expert 2.0 r3'
_computing_data_collection
'CrystalClear-SM Expert 2.0 r3 (Rigaku, 2009)'
_computing_data_reduction        'CrystalClear-SM Expert 2.0 r3'
_computing_molecular_graphics    'CrystalStructure 4.3'
_computing_publication_material  'CrystalStructure 4.3 (Rigaku, 2018)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SIR2004 (Burla, et al., 2005)'
_diffrn_ambient_temperature      140
_diffrn_detector_area_resol_mean 7.111
_diffrn_measured_fraction_theta_full 0.992
_diffrn_measured_fraction_theta_max 0.992
_diffrn_measurement_device_type  'Rigaku Saturn724'
_diffrn_measurement_method       \w
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71075
_diffrn_reflns_av_R_equivalents  0.0450
_diffrn_reflns_av_unetI/netI     0.0447
_diffrn_reflns_Laue_measured_fraction_full 0.000
_diffrn_reflns_Laue_measured_fraction_max 0.000
_diffrn_reflns_limit_h_max       19
_diffrn_reflns_limit_h_min       -19
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       27
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            13594
_diffrn_reflns_point_group_measured_fraction_full 0.000
_diffrn_reflns_point_group_measured_fraction_max 0.000
_diffrn_reflns_theta_full        27.460
_diffrn_reflns_theta_max         27.460
_diffrn_reflns_theta_min         3.004
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    1.270
_exptl_absorpt_correction_T_max  0.963
_exptl_absorpt_correction_T_min  0.827
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'REQAB (Rigaku, 1998)'
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.845
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       chip
_exptl_crystal_F_000             1888.00
_exptl_crystal_size_max          0.140
_exptl_crystal_size_mid          0.070
_exptl_crystal_size_min          0.030
_refine_diff_density_max         0.38
_refine_diff_density_min         -0.43
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.966
_refine_ls_hydrogen_treatment    constr
_refine_ls_number_parameters     243
_refine_ls_number_reflns         3948
_refine_ls_number_restraints     0
_refine_ls_R_factor_all          0.0666
_refine_ls_R_factor_gt           0.0487
_refine_ls_shift/su_max          0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w = 1/[\s^2^(Fo^2^)+(0.0488P)^2^+10.1367P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1042
_refine_ls_wR_factor_ref         0.1138
_reflns_number_gt                3172
_reflns_number_total             3948
_reflns_threshold_expression     F^2^>2.0\s(F^2^)
_cod_data_source_file            c8dt05104f2.cif
_cod_data_source_block           cubis_140K
_cod_depositor_comments
'Adding full bibliography for 7048738--7048744.cif.'
_cod_database_code               7048743