Stereoselective and hierarchical self-assembly from nanotubular homochiral helical coordination polymers to supramolecular gels.
He, Yabing; Bian, Zheng; Kang, Chuanqing; Gao, Lianxun; Chemical communications (Cambridge, England) 46 (2010) 5695–5697; doi:10.1039/c0cc01433h

data_7112916
_publ_section_title
;
 Stereoselective and hierarchical self-assembly from nanotubular
 homochiral helical coordination polymers to supramolecular gels.
;
_journal_issue                   31
_journal_name_full
'Chemical communications (Cambridge, England)'
_journal_page_first              5695
_journal_page_last               5697
_journal_paper_doi               10.1039/c0cc01433h
_journal_volume                  46
_journal_year                    2010
_chemical_formula_sum            'C44 H34 Ag B F4 N4 O4'
_chemical_formula_weight         877.43
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           17
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2c 2'
_symmetry_space_group_name_H-M   'P 2 2 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                   8.2140(5)
_cell_length_b                   13.8169(7)
_cell_length_c                   41.563(2)
_cell_measurement_reflns_used    9386
_cell_measurement_temperature    186(2)
_cell_measurement_theta_max      24.95
_cell_measurement_theta_min      2.45
_cell_volume                     4717.1(4)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      186(2)
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  'Bruker APEXII CCD'
_diffrn_measurement_method       'phi and omega scans'
_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  0.0443
_diffrn_reflns_av_sigmaI/netI    0.0551
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       49
_diffrn_reflns_limit_l_min       -48
_diffrn_reflns_number            24328
_diffrn_reflns_theta_full        25.11
_diffrn_reflns_theta_max         25.11
_diffrn_reflns_theta_min         1.47
_exptl_absorpt_coefficient_mu    0.484
_exptl_absorpt_correction_T_max  0.9222
_exptl_absorpt_correction_T_min  0.8337
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Sheldrick, 1996)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.236
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       rod
_exptl_crystal_F_000             1784
_exptl_crystal_size_max          0.39
_exptl_crystal_size_mid          0.22
_exptl_crystal_size_min          0.17
_refine_diff_density_max         1.224
_refine_diff_density_min         -0.883
_refine_diff_density_rms         0.099
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.08(6)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.083
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     502
_refine_ls_number_reflns         8397
_refine_ls_number_restraints     17
_refine_ls_restrained_S_all      1.086
_refine_ls_R_factor_all          0.0953
_refine_ls_R_factor_gt           0.0728
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1393P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2089
_refine_ls_wR_factor_ref         0.2215
_reflns_number_gt                5984
_reflns_number_total             8397
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c0cc01433h.txt
_cod_data_source_block           (R)-1AgBF4
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Orthorhombic' changed to
'orthorhombic' according to
/usr/data/users/saulius/automatic-downloads/retrospective/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 2281 2013-09-26 08:29:07Z andrius 
;
_cod_original_cell_volume        4717.1(5)
_cod_original_sg_symbol_H-M      P222(1)
_cod_database_code               7112916