Controlling copper(I) halide framework formation using N-donor bridging ligand symmetry: use of 1,3,5-triazine to construct architectures with threefold symmetry
Blake, Alexander J.; Brooks, Neil R.; Champness, Neil R.; Cooke, Paul A.; Deveson, Anne M.; Fenske, Dieter; Hubberstey, Peter; Li, Wan-Sheung; Schröder, Martin; Journal of the Chemical Society, Dalton Transactions  (1999) 2103–; doi:10.1039/a902290b

data_7027411
_publ_section_title
;
 Controlling copper(I) halide framework formation using N-donor bridging
 ligand symmetry: use of 1,3,5-triazine to construct architectures with
 threefold symmetry
;
_journal_issue                   13
_journal_name_full
'Journal of the Chemical Society, Dalton Transactions'
_journal_page_first              2103
_journal_paper_doi               10.1039/a902290b
_journal_year                    1999
_chemical_formula_moiety         'C3 N3 H3 Cu3 Br3'
_chemical_formula_sum            'C3 H3 Br3 Cu3 N3'
_chemical_formula_weight         511.43
_chemical_name_common            'Tris(copper bromide) triazine'
_chemical_name_systematic        'Tris(copper bromide) 1,3,5-triazine'
_space_group_IT_number           61
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2ac 2ab'
_symmetry_space_group_name_H-M   'P b c a'
_atom_sites_solution_hydrogens   'geometrically located'
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   'difference Fourier synthesis'
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   16.096(3)
_cell_length_b                   6.5180(13)
_cell_length_c                   18.010(4)
_cell_measurement_reflns_used    6952
_cell_measurement_temperature    193(2)
_cell_measurement_theta_max      28
_cell_measurement_theta_min      3
_cell_volume                     1889.5(7)
_computing_cell_refinement       'STOE_IPDS software'
_computing_data_collection       'STOE_IPDS software'
_computing_data_reduction        'STOE_IPDS software'
_computing_molecular_graphics    'SHELXTL/PC (version 5.03)(Sheldrick, 1994)'
_computing_publication_material  'SHELXL-93 (Sheldrick, 1993)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      193(2)
_diffrn_measured_fraction_theta_full 0.897
_diffrn_measured_fraction_theta_max 0.897
_diffrn_measurement_device_type  STOE_IPDS
_diffrn_measurement_method       'area detector frames'
_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  0.0000
_diffrn_reflns_av_sigmaI/netI    0.0512
_diffrn_reflns_limit_h_max       21
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            2074
_diffrn_reflns_theta_full        28.12
_diffrn_reflns_theta_max         28.12
_diffrn_reflns_theta_min         3.40
_diffrn_standards_decay_%        none
_exptl_absorpt_coefficient_mu    19.322
_exptl_absorpt_correction_T_max  0.0119
_exptl_absorpt_correction_T_min  0.0041
_exptl_absorpt_correction_type   refdelf
_exptl_absorpt_process_details
;
Parkin S,Moezzi B & Hope H, (1995) J. Appl. Cryst. 28, 53-56
Cubic fit to sin(theta)/lambda - 24 parameters
;
_exptl_crystal_colour            red-orange
_exptl_crystal_density_diffrn    3.596
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Block
_exptl_crystal_F_000             1872
_exptl_crystal_size_max          0.06
_exptl_crystal_size_mid          0.06
_exptl_crystal_size_min          0.04
_refine_diff_density_max         1.219
_refine_diff_density_min         -1.018
_refine_diff_density_rms         0.239
_refine_ls_extinction_coef       0.0030(8)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.087
_refine_ls_hydrogen_treatment    'riding model'
_refine_ls_matrix_type           full
_refine_ls_number_parameters     109
_refine_ls_number_reflns         2074
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.087
_refine_ls_R_factor_all          0.0474
_refine_ls_R_factor_gt           0.0391
_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^)+(0.0528P)^2^+1.536P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0915
_refine_ls_wR_factor_ref         0.0968
_reflns_number_gt                1776
_reflns_number_total             2074
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            902290bsup1.cif
_cod_data_source_block           brcun3
_cod_depositor_comments
;
The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'not measured' was changed to '?'
- the value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 3008 2015-01-20 13:52:24Z robertas 

The following automatic conversions were performed:

'_refine_ls_weighting_scheme' value 'calc
w=1/[\s^2^(Fo^2^)+(0.0528P)^2^+1.536P] where P=(Fo^2^+2Fc^2^)/3' was
changed to 'calc'. New tag '_refine_ls_weighting_details' was
created. The value of the new tag was set to
'w=1/[\s^2^(Fo^2^)+(0.0528P)^2^+1.536P] where P=(Fo^2^+2Fc^2^)/3'.

Automatic conversion script
Id: cif_fix_values 3143 2015-03-26 13:38:13Z robertas 

The following automatic conversions were performed:

'_atom_sites_solution_primary' value 'direct methods' was changed to
'direct'.

Automatic conversion script
Id: cif_fix_values 6452 2018-10-05 10:23:21Z andrius 
;
_cod_original_sg_symbol_H-M      Pbca
_cod_database_code               7027411
_exptl_absorpt_factor_mur        4.830
_exptl_absorpt_correction_t_ave  0.0081
_exptl_absorpt_rmerge_before     0.0682
_exptl_absorpt_rmerge_after      0.0470