A Novel Tetranuclear Copper(II) Complex with Alternating μ1,1-Azido and Phenoxo Bridges: Synthesis, Structure, and Magnetic Properties of [Cu4(μ-salen)2(μ1,1-N3)2(N3)2]
Subratanath Koner; Sandip Saha; Ken-Ichi Okamoto; Jean-Pierre Tuchagues; Inorganic Chemistry 42 (2003) 4668–4672; doi:10.1021/ic020526f

data_4313885
_publ_section_title
;
 A Novel Tetranuclear Copper(II) Complex with Alternating \m1,1-Azido and
 Phenoxo Bridges: Synthesis, Structure, and Magnetic Properties of
 [Cu4(\m-salen)2(\m1,1-N3)2(N3)2]
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              4668
_journal_page_last               4672
_journal_paper_doi               10.1021/ic020526f
_journal_volume                  42
_journal_year                    2003
_chemical_formula_moiety         'C16 H14 Cu2 N8 O2 '
_chemical_formula_sum            'C16 H14 Cu2 N8 O2'
_chemical_formula_weight         477.43
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      14
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_cell_angle_alpha                90
_cell_angle_beta                 94.72(4)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   10.240(6)
_cell_length_b                   17.775(5)
_cell_length_c                   9.689(4)
_cell_measurement_reflns_used    20
_cell_measurement_temperature    296.2
_cell_measurement_theta_max      14.6
_cell_measurement_theta_min      11.0
_cell_volume                     1757.6(14)
_computing_cell_refinement       WinAFC
_computing_data_collection       WinAFC
_computing_data_reduction        'teXsan Ver. 1.10'
_computing_publication_material  'teXsan Ver. 1.10'
_computing_structure_refinement  'teXsan Ver. 1.10'
_computing_structure_solution    SIR92
_diffrn_measured_fraction_theta_full 0.9980
_diffrn_measured_fraction_theta_max 0.9980
_diffrn_measurement_device_type  'Rigaku AFC7S'
_diffrn_measurement_method       \w-2\q
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.7107
_diffrn_reflns_av_R_equivalents  0.038
_diffrn_reflns_limit_h_max       3
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       23
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            4460
_diffrn_reflns_theta_full        27.51
_diffrn_reflns_theta_max         27.51
_diffrn_standards_decay_%        1.54
_diffrn_standards_interval_count 150
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    2.452
_exptl_absorpt_correction_T_max  0.999
_exptl_absorpt_correction_T_min  0.770
_exptl_absorpt_correction_type   psi-scan
_exptl_absorpt_process_details   '(North, Phillips & Mathews, 1968)'
_exptl_crystal_colour            black
_exptl_crystal_density_diffrn    1.804
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prismatic
_exptl_crystal_size_max          0.370
_exptl_crystal_size_mid          0.250
_exptl_crystal_size_min          0.230
_refine_diff_density_max         1.25
_refine_diff_density_min         -1.25
_refine_ls_extinction_coef       0.0006(4)
_refine_ls_extinction_method     'Zachariasen(1967) type 2 Gaussian isotropic'
_refine_ls_goodness_of_fit_ref   1.123
_refine_ls_hydrogen_treatment    noref
_refine_ls_number_parameters     254
_refine_ls_number_reflns         4036
_refine_ls_R_factor_gt           0.0494
_refine_ls_shift/su_max          0.0012
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w = 1/[\s^2^(Fo^2^) + (0.05000(Max(Fo^2^,0) + 2Fc^2^)/3)^2^]'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_ref         0.1531
_reflns_number_gt                1908
_reflns_number_total             4037
_reflns_threshold_expression     F^2^>2.0\s(F^2^)
_cod_data_source_file            ic020526f_s1.cif
_cod_data_source_block           Koner-S2
_cod_original_cell_volume        1757(1)
_cod_original_formula_sum        'C16 H14 Cu2 N8 O2 '
_cod_database_code               4313885