Design and Crystal Structures of Triple Helicates with Crystallographic Idealized D3 Symmetry: The Role of Side Chain Effect on Crystal Packing
Guo Dong; Pang Ke-liang; Duan Chun-ying; He Cheng; Meng Qing-jin; Inorganic Chemistry 41 (2002) 5978–5985; doi:10.1021/ic0203623

data_4318828
_publ_contact_author_address
;
Coordination Chemistry Institute
The State Key Laboratory of Coordinaiton Chemistry
Nanjing University , Nanjing 210093
P. R. China
;
_publ_contact_author_email       duancy@nju.edu.cn
_publ_contact_author_fax         '00 86 25 331 4502'
_publ_contact_author_name        'Dr. Duan Chun-ying'
_publ_contact_author_phone       '00 86 25 359 7006'
_publ_section_title
;
 Design and Crystal Structures of Triple Helicates with Crystallographic
 Idealized D3 Symmetry: The Role of Side Chain Effect on Crystal Packing
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              5978
_journal_page_last               5985
_journal_paper_doi               10.1021/ic0203623
_journal_volume                  41
_journal_year                    2002
_chemical_formula_sum            'C21 H21 B2 Cu F8 N6'
_chemical_formula_weight         594.60
_space_group_IT_number           205
_symmetry_cell_setting           cubic
_symmetry_space_group_name_Hall  '-P 2ac 2ab 3'
_symmetry_space_group_name_H-M   'P a -3'
_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            16
_cell_length_a                   21.973(3)
_cell_length_b                   21.973(3)
_cell_length_c                   21.973(3)
_cell_measurement_temperature    293(2)
_cell_volume                     10609(3)
_computing_cell_refinement       'HKL Scalepack (Otwinowski & Minor, 1997)'
_computing_data_collection       'KappaCCD (Nonius B. V., 1998)'
_computing_data_reduction
'HKL Denzo (Otwinowski & Minor, 1997) & maXus (Mackay et al., 1998)'
_computing_molecular_graphics    'Bruker SHELXTL V5.1 (Sheldrick, 1998)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'NONIUS KappaCCD'
_diffrn_measurement_method       CCD
_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  0.0871
_diffrn_reflns_av_sigmaI/netI    0.0306
_diffrn_reflns_limit_h_max       26
_diffrn_reflns_limit_h_min       -26
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -26
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -26
_diffrn_reflns_number            80385
_diffrn_reflns_theta_full        24.98
_diffrn_reflns_theta_max         24.98
_diffrn_reflns_theta_min         3.47
_exptl_absorpt_coefficient_mu    0.902
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            dark-green
_exptl_crystal_density_diffrn    1.489
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             4800
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.25
_refine_diff_density_max         1.022
_refine_diff_density_min         -0.522
_refine_diff_density_rms         0.078
_refine_ls_extinction_coef       0.0005(4)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.045
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     271
_refine_ls_number_reflns         3110
_refine_ls_number_restraints     42
_refine_ls_restrained_S_all      1.059
_refine_ls_R_factor_all          0.1031
_refine_ls_R_factor_gt           0.0720
_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^)+(0.1136P)^2^+19.4113P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1852
_refine_ls_wR_factor_ref         0.2211
_reflns_number_gt                2129
_reflns_number_total             3110
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic0203623_10.cif
_cod_data_source_block           Complex_10
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Cubic' changed to 'cubic' according
to the built-in table from CIF Core dictionary named 'cif_core.dic'
version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1646 2011-03-28 12:23:43Z adriana 
;
_cod_original_cell_volume        10609(2)
_cod_database_code               4318828