Search for Conglomerate in Set of [7]Helquat Salts: Multigram Resolution of Helicene-Viologen Hybrid by Preferential Crystallization
Jan Vávra; Lukáš Severa; Ivana Císařová; Blanka Klepetářová; David Šaman; Dušan Koval; Václav Kašička; Filip Teplý; Journal of Organic Chemistry 78 (2013) 1329–1342; doi:10.1021/jo301615k

data_4027936
_publ_section_title
;
 Search for Conglomerate in Set of [7]Helquat Salts: Multigram Resolution
 of Helicene-Viologen Hybrid by Preferential Crystallization
;
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              1329
_journal_page_last               1342
_journal_paper_doi               10.1021/jo301615k
_journal_volume                  78
_journal_year                    2013
_chemical_compound_source        'synthesized by the authors'
_chemical_formula_moiety         'C30 H26 N2, 2(B F4)'
_chemical_formula_sum            'C30 H26 B2 F8 N2'
_chemical_formula_weight         588.15
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_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                 90.3510(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   11.8553(4)
_cell_length_b                   11.9910(5)
_cell_length_c                   18.5166(6)
_cell_measurement_reflns_used    8220
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      27.97
_cell_measurement_theta_min      2.65
_cell_volume                     2632.21(16)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_structure_refinement  'SHELXS-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 0.993
_diffrn_measured_fraction_theta_max 0.993
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w 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  0.0215
_diffrn_reflns_av_sigmaI/netI    0.0234
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            22592
_diffrn_reflns_theta_full        27.50
_diffrn_reflns_theta_max         27.50
_diffrn_reflns_theta_min         2.02
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.125
_exptl_absorpt_correction_T_max  0.974
_exptl_absorpt_correction_T_min  0.916
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.484
_exptl_crystal_description       prism
_exptl_crystal_F_000             1208
_exptl_crystal_size_max          0.55
_exptl_crystal_size_mid          0.47
_exptl_crystal_size_min          0.19
_refine_diff_density_max         0.815
_refine_diff_density_min         -0.547
_refine_diff_density_rms         0.059
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.035
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     387
_refine_ls_number_reflns         6014
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.035
_refine_ls_R_factor_all          0.0744
_refine_ls_R_factor_gt           0.0569
_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^)+(0.0684P)^2^+2.6252P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1420
_refine_ls_wR_factor_ref         0.1547
_reflns_number_gt                4691
_reflns_number_total             6014
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            jo301615k_2_BF4.cif
_cod_data_source_block           jv1933_uochb
_cod_depositor_comments
;
The following automatic conversions were performed:

'_exptl_absorpt_correction_type' value 'multi-scans' was replaced
with the value 'multi-scan' as specified in the replacement file
'src/cod-tools/trunk/data/replacement-values/replacement_values.lst'.

Automatic conversion script
Id: cif_fix_values 5376 2017-05-30 11:51:03Z andrius 
;
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               4027936