An unusual discontinuity in the thermal spin transition in [Co(terpy)2][BF4]2.
Kilner, Colin A.; Halcrow, Malcolm A.; Dalton transactions (Cambridge, England : 2003) 39 (2010) 9008–9012; doi:10.1039/c0dt00295j

data_7026255
_publ_section_title
;
 An unusual discontinuity in the thermal spin transition in
 [Co(terpy)2][BF4]2.
;
_journal_issue                   38
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              9008
_journal_page_last               9012
_journal_paper_doi               10.1039/c0dt00295j
_journal_volume                  39
_journal_year                    2010
_chemical_formula_moiety         'C30 H22 Co N6, 2[B F4]'
_chemical_formula_sum            'C30 H22 B2 Co F8 N6'
_chemical_formula_weight         699.09
_chemical_name_systematic
;
Bis(2,2':6',2''-terpyridine)cobalt(II) ditetrafluoroborate
;
_space_group_IT_number           9
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'C -2yc'
_symmetry_space_group_name_H-M   'C 1 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                 97.109(5)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   12.5930(12)
_cell_length_b                   12.4003(12)
_cell_length_c                   19.3600(18)
_cell_measurement_reflns_used    26108
_cell_measurement_temperature    250(2)
_cell_measurement_theta_max      28.51
_cell_measurement_theta_min      2.31
_cell_volume                     3000.0(5)
_computing_cell_refinement       'APEX 2 software, Bruker Nonius 2004'
_computing_data_collection       'APEX 2 software, Bruker Nonius 2004'
_computing_data_reduction        'SAINT, Bruker Nonius 2004'
_computing_molecular_graphics    'XSEED (Barbour, 2003)'
_computing_publication_material  'local program'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      250(2)
_diffrn_detector_area_resol_mean '120 microns'
_diffrn_measured_fraction_theta_full 0.991
_diffrn_measured_fraction_theta_max 0.991
_diffrn_measurement_device_type  'Bruker X8 Apex diffractometer'
_diffrn_measurement_method       'Rotation images'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'rotating anode'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0374
_diffrn_reflns_av_sigmaI/netI    0.0339
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            26108
_diffrn_reflns_theta_full        28.51
_diffrn_reflns_theta_max         28.51
_diffrn_reflns_theta_min         2.31
_exptl_absorpt_coefficient_mu    0.655
_exptl_absorpt_correction_T_max  0.969
_exptl_absorpt_correction_T_min  0.753
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
Sheldrick, G. M. (2002). SADABS v. 2.03. University of
G/ottingen, Germany.
;
_exptl_crystal_colour            'dark orange'
_exptl_crystal_density_diffrn    1.548
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       fragment
_exptl_crystal_F_000             1412
_exptl_crystal_size_max          0.28
_exptl_crystal_size_mid          0.21
_exptl_crystal_size_min          0.17
_refine_diff_density_max         0.428
_refine_diff_density_min         -0.516
_refine_diff_density_rms         0.074
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.246(12)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.028
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     438
_refine_ls_number_reflns         7284
_refine_ls_number_restraints     52
_refine_ls_restrained_S_all      1.063
_refine_ls_R_factor_all          0.0428
_refine_ls_R_factor_gt           0.0398
_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^)+(0.0732P)^2^+1.1803P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1109
_refine_ls_wR_factor_ref         0.1137
_reflns_number_gt                6804
_reflns_number_total             7284
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c0dt00295j.txt
_cod_data_source_block           mh325250
_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 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1891 2012-01-12 08:04:46Z andrius 
;
_cod_original_sg_symbol_H-M      'C c'
_cod_database_code               7026255