Bis(hfac)-copper(II) complexes bridged by pyrimidines showing magnetic interactions
Yasui, Masanori; Ishikawa, Yoshimitsu; Ishida, Takayuki; Nogami, Takashi; Iwasaki, Fujiko; Acta Crystallographica Section B 57 (2001) 772–779; doi:10.1107/S0108768101013568

data_2103753
_publ_section_title
;
 Bis(hfac)-copper(II) complexes bridged by pyrimidines showing magnetic
 interactions
;
_journal_issue                   6
_journal_name_full               'Acta Crystallographica Section B'
_journal_page_first              772
_journal_page_last               779
_journal_paper_doi               10.1107/S0108768101013568
_journal_volume                  57
_journal_year                    2001
_chemical_formula_moiety         'Cu, 2(C5 H1 F6 O2), C5 H6 N2'
_chemical_formula_sum            'C15 H8 Cu F12 N2 O4'
_chemical_formula_weight         571.78
_chemical_name_common
;
bis(1,1,1,5,5,5-hexafluoropentane-2,4-dionato)-bis(4-methylpyrimidine)
copper(II)
;
_chemical_name_systematic
;
catena-bis(1,1,1,5,5,5-hexafluoropentane-2,4-dionato)[m-4-methylpyrimidine-
N1:N3]copper(II)
;
_space_group_IT_number           88
_symmetry_cell_setting           tetragonal
_symmetry_space_group_name_Hall  '-I 4ad'
_symmetry_space_group_name_H-M   'I 41/a :2'
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            16
_cell_length_a                   18.808(2)
_cell_length_b                   18.808
_cell_length_c                   22.182(4)
_cell_measurement_reflns_used    24
_cell_measurement_temperature    100
_cell_measurement_theta_max      18.7
_cell_measurement_theta_min      13.1
_cell_volume                     7846.7(16)
_computing_cell_refinement       'AFC Control Software (Rigaku, 1994)'
_computing_data_collection       'AFC Control Software (Rigaku, 1994)'
_computing_data_reduction
'teXsan, (Molecular Science Corporation, 1992)'
_computing_molecular_graphics    'ORTEPII (Johnson, 1972)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SAPI91 (Fan Hai-Fu. 1991)'
_diffrn_ambient_temperature      100
_diffrn_measured_fraction_theta_full .488
_diffrn_measured_fraction_theta_max .488
_diffrn_measurement_device_type  'Rigaku AFC7R'
_diffrn_measurement_method       \w-2\q
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     .71073
_diffrn_reflns_av_R_equivalents  .0253
_diffrn_reflns_av_sigmaI/netI    .0308
_diffrn_reflns_limit_h_max       24
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       24
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       28
_diffrn_reflns_limit_l_min       -28
_diffrn_reflns_number            9495
_diffrn_reflns_theta_full        27.50
_diffrn_reflns_theta_max         27.50
_diffrn_reflns_theta_min         2.17
_diffrn_standards_decay_%        2.06
_diffrn_standards_interval_count 150
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    1.253
_exptl_absorpt_correction_T_max  .907
_exptl_absorpt_correction_T_min  .879
_exptl_absorpt_correction_type   numerical
_exptl_absorpt_process_details   '(Coppens, et al. 1965)'
_exptl_crystal_colour            green
_exptl_crystal_density_diffrn    1.936
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             4496
_exptl_crystal_size_max          .300
_exptl_crystal_size_mid          .200
_exptl_crystal_size_min          .200
_refine_diff_density_max         .351
_refine_diff_density_min         -.494
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.082
_refine_ls_hydrogen_treatment    refall
_refine_ls_matrix_type           full
_refine_ls_number_parameters     339
_refine_ls_number_reflns         4517
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.082
_refine_ls_R_factor_all          .0345
_refine_ls_R_factor_gt           .0273
_refine_ls_shift/su_max          .001
_refine_ls_shift/su_mean         .000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0456P)^2^+3.8089P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_ref         .0838
_reflns_number_gt                3920
_reflns_number_total             4517
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            oa0036.cif
_cod_data_source_block           2b
_cod_original_cell_volume        7846.5(16)
_cod_original_sg_symbol_H-M      'I 41/a (origin at -1)'
_cod_original_formula_sum        'C15 H8 Cu1 F12 N2 O4'
_cod_database_code               2103753
_cod_database_fobs_code          2103753