A series of complexes based on biphenyl-2,5,2′,5′-tetracarboxylic acid: syntheses, crystal structures, luminescent and magnetic properties
Tian, Dan; Pang, Yu; Zhou, Yan-Hong; Guan, Li; Zhang, Hong; CrystEngComm 13 (2011) 957–; doi:10.1039/c0ce00281j

data_7205239
_publ_section_title
;
 A series of complexes based on
 biphenyl-2,5,2&#x2032;,5&#x2032;-tetracarboxylic acid: syntheses,
 crystal structures, luminescent and magnetic properties
;
_journal_issue                   3
_journal_name_full               CrystEngComm
_journal_page_first              957
_journal_paper_doi               10.1039/c0ce00281j
_journal_volume                  13
_journal_year                    2011
_chemical_formula_moiety         'C36 H38 N4 Ni2 O16'
_chemical_formula_sum            'C36 H38 N4 Ni2 O16'
_chemical_formula_weight         900.08
_chemical_name_systematic
;
?
;
_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                 113.099(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   14.223(2)
_cell_length_b                   19.095(3)
_cell_length_c                   15.143(2)
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      25.00
_cell_measurement_theta_min      1.56
_cell_volume                     3782.9(9)
_computing_cell_refinement       'SMART (Bruker, 2002)'
_computing_data_collection       'SMART (Bruker, 2002)'
_computing_data_reduction        'SAINT (Bruker, 2002)'
_computing_molecular_graphics    'DIAMOND (Brandenburg, 1999)'
_computing_publication_material  SHELXTL
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'BRUKER SMART CCD Apex II'
_diffrn_measurement_method       'omega and phi'
_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  0.0770
_diffrn_reflns_av_sigmaI/netI    0.1016
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       22
_diffrn_reflns_limit_k_min       -21
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            19000
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.56
_exptl_absorpt_coefficient_mu    1.076
_exptl_absorpt_correction_T_max  0.869
_exptl_absorpt_correction_T_min  0.846
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   'ABSCOR by T.Higashi 8 March, 1995'
_exptl_crystal_colour            blue
_exptl_crystal_density_diffrn    1.577
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       neddle
_exptl_crystal_F_000             1856
_exptl_crystal_size_max          0.29
_exptl_crystal_size_mid          0.13
_exptl_crystal_size_min          0.13
_refine_diff_density_max         0.480
_refine_diff_density_min         -0.484
_refine_diff_density_rms         0.078
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.919
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     561
_refine_ls_number_reflns         6629
_refine_ls_number_restraints     7
_refine_ls_restrained_S_all      0.918
_refine_ls_R_factor_all          0.1141
_refine_ls_R_factor_gt           0.0494
_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^)+(0.0403P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0882
_refine_ls_wR_factor_ref         0.1014
_reflns_number_gt                3820
_reflns_number_total             6629
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            C0CE00281J.TXT
_cod_data_source_block           complex-4
_cod_original_cell_volume        3783.0(9)
_cod_original_sg_symbol_Hall     P21/c
_cod_original_sg_symbol_H-M      P21/c
_cod_database_code               7205239