Synthesis and Structural Properties of Aza[n]helicene Platinum Complexes: Control of Cis and Trans Stereochemistry.
Mendola, Daniele; Saleh, Nidal; Hellou, Nora; Vanthuyne, Nicolas; Roussel, Christian; Toupet, Loïc; Castiglione, Franca; Melone, Federica; Caronna, Tullio; Fontana, Francesca; Martí-Rujas, Javier; Parisini, Emilio; Malpezzi, Luciana; Mele, Andrea; Crassous, Jeanne; Inorganic chemistry 55 (2016) 2009–2017; doi:10.1021/acs.inorgchem.5b02276

data_4346877
_publ_section_title
;
 Synthesis and Structural Properties of Aza[n]helicene Platinum Complexes:
 Control of Cis and Trans Stereochemistry.
;
_journal_issue                   5
_journal_name_full               'Inorganic chemistry'
_journal_page_first              2009
_journal_page_last               2017
_journal_paper_doi               10.1021/acs.inorgchem.5b02276
_journal_volume                  55
_journal_year                    2016
_chemical_formula_sum            'C43 H30 Cl2 N P Pt'
_chemical_formula_weight         857.64
_space_group_crystal_system      orthorhombic
_space_group_IT_number           19
_space_group_name_Hall           'P 2ac 2ab'
_space_group_name_H-M_alt        'P 21 21 21'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2014/6
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   9.0829(2)
_cell_length_b                   13.2809(3)
_cell_length_c                   28.1212(6)
_cell_measurement_reflns_used    10355
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      29.5600
_cell_measurement_theta_min      3.4740
_cell_volume                     3392.23(13)
_computing_cell_refinement
'CrysAlis RED, Oxford Diffraction Ltd.,Version 1.171.37.35'
_computing_data_collection
'CrysAlis CCD, Oxford Diffraction Ltd.,Version 1.171.37.35'
_computing_data_reduction
'CrysAlis RED, Oxford Diffraction Ltd.,Version 1.171.37.35'
_computing_molecular_graphics    'MERCURY 3.3(CCDC, 2014)'
_computing_publication_material  'WINGX (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL-2014/6 (Sheldrick, 2014)'
_computing_structure_solution    'SIR-97_(Altomare & al., 1999)'
_diffrn_ambient_temperature      150(2)
_diffrn_detector                 'CCD plate'
_diffrn_detector_area_resol_mean 16.1852
_diffrn_detector_type            Sapphire3
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device       'four-circle diffractometer'
_diffrn_measurement_device_type  'Xcalibur, Sapphire3'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0346
_diffrn_reflns_av_unetI/netI     0.0344
_diffrn_reflns_Laue_measured_fraction_full 0.997
_diffrn_reflns_Laue_measured_fraction_max 0.998
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       33
_diffrn_reflns_limit_l_min       -35
_diffrn_reflns_number            27000
_diffrn_reflns_point_group_measured_fraction_full 0.998
_diffrn_reflns_point_group_measured_fraction_max 0.999
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         26.998
_diffrn_reflns_theta_min         3.068
_diffrn_source                   'Enhance (Mo) X-ray Source'
_exptl_absorpt_coefficient_mu    4.375
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.71394
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro, Agilent Technologies,
Version 1.171.37.31c (release 07-02-2014 CrysAlis171 .NET)
(compiled Feb  7 2014,14:07:06)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.679
_exptl_crystal_description       prism
_exptl_crystal_F_000             1688
_exptl_crystal_size_max          0.351
_exptl_crystal_size_mid          0.106
_exptl_crystal_size_min          0.060
_refine_diff_density_max         1.395
_refine_diff_density_min         -0.661
_refine_diff_density_rms         0.081
_refine_ls_abs_structure_details
;
 Flack x determined using 3091 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   -0.018(3)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.047
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     433
_refine_ls_number_reflns         7418
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.047
_refine_ls_R_factor_all          0.0232
_refine_ls_R_factor_gt           0.0218
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0210P)^2^+0.7977P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0465
_refine_ls_wR_factor_ref         0.0472
_reflns_Friedel_coverage         0.780
_reflns_Friedel_fraction_full    1.000
_reflns_Friedel_fraction_max     1.000
_reflns_number_gt                7219
_reflns_number_total             7418
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ic5b02276_si_006.cif
_cod_data_source_block           shelx
_cod_database_code               4346877
_shelxl_version_number           2014/6
_shelx_res_checksum              54900
_shelx_hkl_checksum              84815