Eight coordination compounds assembled from unexplored semi-rigid ether-based unsymmetrical tetracarboxylate and various dipyridyl ligands: structural variation, magnetic and photoluminescence properties
Yue, Qi; Wang, Yuan-Yuan; Hu, Xiao-Lu; Guo, Wei-Xiao; Gao, En-Qing; CrystEngComm  (2019) –; doi:10.1039/C9CE01128E

data_7233972
_publ_section_title
;
 Eight coordination compounds assembled from unexplored semi-rigid
 ether-based unsymmetrical tetracarboxylate and various dipyridyl ligands:
 structural variation, magnetic and photoluminescence properties
;
_journal_name_full               CrystEngComm
_journal_paper_doi               10.1039/C9CE01128E
_journal_year                    2019
_chemical_formula_sum            'C28 H20 Cu2 N2 O15'
_chemical_formula_weight         751.54
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   mixed
_audit_creation_method           SHELXL-2014
_audit_update_record
;
2019-07-16 deposited with the CCDC.    2019-09-18 downloaded from the CCDC.
;
_cell_angle_alpha                90.9880(10)
_cell_angle_beta                 93.6710(10)
_cell_angle_gamma                100.6850(10)
_cell_formula_units_Z            2
_cell_length_a                   11.2403(4)
_cell_length_b                   11.5984(5)
_cell_length_c                   11.8532(5)
_cell_measurement_reflns_used    4880
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      25.86
_cell_measurement_theta_min      2.32
_cell_volume                     1514.72(11)
_computing_structure_refinement  'SHELXL-2014 (Sheldrick, 2014)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.992
_diffrn_measured_fraction_theta_max 0.988
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0373
_diffrn_reflns_av_unetI/netI     0.0416
_diffrn_reflns_Laue_measured_fraction_full 0.992
_diffrn_reflns_Laue_measured_fraction_max 0.988
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            19259
_diffrn_reflns_point_group_measured_fraction_full 0.992
_diffrn_reflns_point_group_measured_fraction_max 0.988
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         25.998
_diffrn_reflns_theta_min         1.722
_exptl_absorpt_coefficient_mu    1.482
_exptl_crystal_colour            blue
_exptl_crystal_density_diffrn    1.648
_exptl_crystal_description       rodlike
_exptl_crystal_F_000             760
_exptl_crystal_size_max          0.26
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.14
_refine_diff_density_max         0.586
_refine_diff_density_min         -0.330
_refine_diff_density_rms         0.082
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.025
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     440
_refine_ls_number_reflns         5893
_refine_ls_number_restraints     6
_refine_ls_restrained_S_all      1.025
_refine_ls_R_factor_all          0.0566
_refine_ls_R_factor_gt           0.0385
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0556P)^2^+1.1824P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0968
_refine_ls_wR_factor_ref         0.1095
_reflns_Friedel_coverage         0.000
_reflns_number_gt                4558
_reflns_number_total             5893
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c9ce01128e2.cif
_cod_data_source_block           7
_cod_database_code               7233972
_shelxl_version_number           2014-3
_shelx_res_checksum              4466