Straightforward access to mono- and bis-cycloplatinated helicenes that display circularly polarized phosphorescence using crystallization resolution methods.
Shen, Chengshuo; Anger, Emmanuel; Srebro, Monika; Vanthuyne, Nicolas; Deol, Kirandeep K.; Jefferson, Jr, Truman D; Muller, Gilles; Gareth Williams, J. A.; Toupet, Loïc; Roussel, Christian; Autschbach, Jochen; Réau, Régis; Crassous, Jeanne; Chemical science (Royal Society of Chemistry : 2010) 5 (2014) 1915–1927; doi:10.1039/C3SC53442A

data_1514286
_publ_section_title
;
 Straightforward access to mono- and bis-cycloplatinated helicenes that
 display circularly polarized phosphorescence using crystallization
 resolution methods.
;
_journal_issue                   5
_journal_name_full
'Chemical science (Royal Society of Chemistry : 2010)'
_journal_page_first              1915
_journal_page_last               1927
_journal_paper_doi               10.1039/C3SC53442A
_journal_volume                  5
_journal_year                    2014
_chemical_formula_sum            'C20 H14 N2'
_chemical_formula_weight         282.33
_space_group_IT_number           4
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'P 2yb'
_symmetry_space_group_name_H-M   'P 1 21 1'
_atom_sites_solution_hydrogens   difmap
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 105.511(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   7.5661(2)
_cell_length_b                   12.3042(3)
_cell_length_c                   7.9592(3)
_cell_measurement_reflns_used    2726
_cell_measurement_temperature    140(2)
_cell_measurement_theta_max      27.1
_cell_measurement_theta_min      2.0
_cell_volume                     713.97(4)
_computing_cell_refinement
'CrysAlis RED, Oxford Diffraction Ltd.,Version 1.171.26'
_computing_data_collection
'CrysAlis CCD, Oxford Diffraction Ltd.,Version 1.171.26'
_computing_data_reduction
'CrysAlis RED, Oxford Diffraction Ltd.,Version 1.171.26'
_computing_molecular_graphics    'MERCURY(CCDC, 2006)'
_computing_publication_material  'WINGX (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SIR-97_(Altomare & al., 1999)'
_diffrn_ambient_temperature      140(2)
_diffrn_detector_area_resol_mean 19.64
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'CCD Saphire 3 Xcalibur'
_diffrn_measurement_method       'omega scan'
_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  0.0176
_diffrn_reflns_av_sigmaI/netI    0.0354
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       10
_diffrn_reflns_limit_l_min       -10
_diffrn_reflns_number            5354
_diffrn_reflns_theta_full        26.99
_diffrn_reflns_theta_max         26.99
_diffrn_reflns_theta_min         2.79
_exptl_absorpt_coefficient_mu    0.078
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.313
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             296
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.22
_exptl_crystal_size_min          0.21
_refine_diff_density_max         0.150
_refine_diff_density_min         -0.142
_refine_diff_density_rms         0.031
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -3(2)
_refine_ls_extinction_coef       0.042(3)
_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   1.001
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     200
_refine_ls_number_reflns         2967
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.001
_refine_ls_R_factor_all          0.0398
_refine_ls_R_factor_gt           0.0319
_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^)+(0.0379P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0677
_refine_ls_wR_factor_ref         0.0695
_reflns_number_gt                2562
_reflns_number_total             2967
_reflns_threshold_expression     >2\s(I)
_cod_data_source_file            c3sc53442a.txt
_cod_data_source_block           scs24
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to
/usr/data/users/saulius/crontab/automatic-downloads/rss-feeds/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 

 Adding full bibliography for 1514282--1514288.cif.
;
_cod_original_sg_symbol_H-M      P21
_cod_database_code               1514286