Structural and spectroscopic studies of some copper(i) halide tert-butyl isocyanide adducts
Bowmaker, Graham A.; Hanna, John V.; Hahn, F. Ekkehardt; Lipton, Andrew S.; Oldham, Carolyn E.; Skelton, Brian W.; Smith, Mark E.; White, Allan H.; Dalton Transactions  (2008) 1710–1720; doi:10.1039/b712815k

data_7003119
_publ_section_title
;
 Structural and spectroscopic studies of some copper(i) halide
 tert-butyl isocyanide adducts
;
_journal_issue                   13
_journal_name_full               'Dalton Transactions'
_journal_page_first              1710
_journal_page_last               1720
_journal_paper_doi               10.1039/b712815k
_journal_year                    2008
_chemical_absolute_configuration ad
_chemical_formula_moiety         'C20 H36 Cu N4, I'
_chemical_formula_sum            'C20 H36 Cu I N4'
_chemical_formula_weight         522.97
_chemical_name_systematic
;
?
;
_space_group_IT_number           119
_symmetry_cell_setting           tetragonal
_symmetry_space_group_name_Hall  'I -4 -2'
_symmetry_space_group_name_H-M   'I -4 m 2'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_date             2006-08-24T13:40:56-00:00
_audit_creation_method           'WinGX routine CIF_UPDATE'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            6
_cell_length_a                   15.5780(10)
_cell_length_b                   15.5780(10)
_cell_length_c                   17.631(2)
_cell_measurement_reflns_used    5848
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      26.5
_cell_measurement_theta_min      3.5
_cell_volume                     4278.6(6)
_computing_cell_refinement       'Siemens SAINT (Siemens, 1995)'
_computing_data_collection       'Siemens SMART (Siemens, 1995)'
_computing_data_reduction        'xtal ADDREF SORTRF'
_computing_molecular_graphics    xtal
_computing_publication_material  'xtal BONDLA CIFIO'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    xtal
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 0.964
_diffrn_measured_fraction_theta_max 0.964
_diffrn_measurement_device_type
;
Bruker SMART CCD diffractometer
;
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.034
_diffrn_reflns_av_unetI/netI     0.0135
_diffrn_reflns_limit_h_max       24
_diffrn_reflns_limit_h_min       -24
_diffrn_reflns_limit_k_max       24
_diffrn_reflns_limit_k_min       -24
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -26
_diffrn_reflns_number            32087
_diffrn_reflns_theta_full        33.95
_diffrn_reflns_theta_max         33.95
_diffrn_reflns_theta_min         1.74
_exptl_absorpt_coefficient_mu    1.857
_exptl_absorpt_correction_T_max  0.67
_exptl_absorpt_correction_T_min  0.49
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS; Sheldrick, 1996
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.218
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       pyramid
_exptl_crystal_F_000             1596
_exptl_crystal_size_max          0.4
_exptl_crystal_size_mid          0.35
_exptl_crystal_size_min          0.3
_refine_diff_density_max         0.31
_refine_diff_density_min         -1.585
_refine_diff_density_rms         0.108
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.02(2)
_refine_ls_extinction_coef       43E2(4)
_refine_ls_extinction_expression 'Eq22 p292 "Cryst. Comp." Munksgaard 1970'
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_all   1.269
_refine_ls_goodness_of_fit_ref   1.042
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_constraints    0
_refine_ls_number_parameters     127
_refine_ls_number_reflns         4413
_refine_ls_number_restraints     15
_refine_ls_restrained_S_all      1.041
_refine_ls_R_factor_all          0.0376
_refine_ls_R_factor_gt           0.0242
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0378P)^2^+0.3343P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_all         0.032
_refine_ls_wR_factor_gt          0.059
_refine_ls_wR_factor_ref         0.066
_reflns_number_gt                3416
_reflns_number_total             4413
_reflns_threshold_expression     I>2sigma(I)
_cod_data_source_file            b712815k.txt
_cod_data_source_block           cuitb
_cod_original_sg_symbol_Hall     i_-4_-2
_cod_original_sg_symbol_H-M      I-4m2
_cod_database_code               7003119