Rational design and construction of the first tetrahedral net with photoluminescent Cu4I4 cubane cluster as the tetrahedral node.
Hu, Sheng; Tong, Ming-Liang; Dalton transactions (Cambridge, England : 2003)  (2005) 1165–1167; doi:10.1039/b500015g

data_7008236
_publ_section_title
;
 Rational design and construction of the first tetrahedral net with
 photoluminescent Cu4I4 cubane cluster as the tetrahedral node.
;
_journal_issue                   7
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              1165
_journal_page_last               1167
_journal_paper_doi               10.1039/b500015g
_journal_year                    2005
_chemical_formula_sum            'C44 H36 Cu4 I4 N4'
_chemical_formula_weight         1382.53
_chemical_name_systematic
;
?
;
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   13.8429(11)
_cell_length_b                   14.1182(13)
_cell_length_c                   23.351(2)
_cell_measurement_reflns_used    19906
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      28.31
_cell_measurement_theta_min      1.69
_cell_volume                     4563.6(7)
_computing_cell_refinement       'SAINT-PLUS, Ver. 6.0, 1997'
_computing_data_collection       'SMART, 1998.'
_computing_data_reduction        'SAINT-PLUS, Ver. 6.0, 1997'
_computing_molecular_graphics    'XP, Ver. 6.10, Bruker AXS Inc., 2000'
_computing_publication_material  'SHELXTL-Bruker AXS Inc., 1998'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.931
_diffrn_measured_fraction_theta_max 0.931
_diffrn_measurement_device_type  'Bruker Apex CCD'
_diffrn_measurement_method       '\w scan'
_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  0.0464
_diffrn_reflns_av_sigmaI/netI    0.0871
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -30
_diffrn_reflns_number            19906
_diffrn_reflns_theta_full        28.31
_diffrn_reflns_theta_max         28.31
_diffrn_reflns_theta_min         1.69
_diffrn_standards_decay_%        0
_exptl_absorpt_coefficient_mu    4.579
_exptl_absorpt_correction_T_max  0.577
_exptl_absorpt_correction_T_min  0.387
_exptl_absorpt_correction_type   SADABS
_exptl_crystal_colour            'pale yellow'
_exptl_crystal_density_diffrn    2.012
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       polyhedral
_exptl_crystal_F_000             2624
_exptl_crystal_size_max          0.26
_exptl_crystal_size_mid          0.18
_exptl_crystal_size_min          0.12
_refine_diff_density_max         1.036
_refine_diff_density_min         -0.661
_refine_diff_density_rms         0.127
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.01(3)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.013
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     493
_refine_ls_number_reflns         10077
_refine_ls_number_restraints     36
_refine_ls_restrained_S_all      1.016
_refine_ls_R_factor_all          0.0957
_refine_ls_R_factor_gt           0.0615
_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^)+(0.0424P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1088
_refine_ls_wR_factor_ref         0.1211
_reflns_number_gt                6911
_reflns_number_total             10077
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b500015g.txt
_cod_data_source_block           complex1
_cod_original_cell_volume        4563.7(7)
_cod_original_sg_symbol_H-M      P2(1)2(1)2(1)
_cod_database_code               7008236