Persistent 2<i>c</i>-3<i>e</i> σ-bonded heteronuclear radical cations centered on S/Se and P/As atoms.
Yang, Wenbang; Wang, Wenqing; Zhang, Leran; Zhang, Li; Ruan, Huapeng; Feng, Zhongtao; Fang, Yong; Wang, Xinping; Chemical communications (Cambridge, England) 57 (2021) 5067–5070; doi:10.1039/d1cc01117k

data_7128161
_publ_section_title
;
 Persistent 2<i>c</i>-3<i>e</i> \s-bonded heteronuclear radical cations
 centered on S/Se and P/As atoms.
;
_journal_issue                   41
_journal_name_full               'Chemical communications (Cambridge, England)'
_journal_page_first              5067
_journal_page_last               5070
_journal_paper_doi               10.1039/d1cc01117k
_journal_volume                  57
_journal_year                    2021
_chemical_formula_sum            'C34 H33 As Se'
_chemical_formula_weight         595.48
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2018/3
_audit_update_record
;
2021-02-02 deposited with the CCDC.	2021-04-07 downloaded from the CCDC.
;
_cell_angle_alpha                66.9580(10)
_cell_angle_beta                 69.6880(10)
_cell_angle_gamma                79.6480(10)
_cell_formula_units_Z            2
_cell_length_a                   10.4307(4)
_cell_length_b                   11.4296(4)
_cell_length_c                   13.3226(4)
_cell_measurement_reflns_used    9939
_cell_measurement_temperature    193(2)
_cell_measurement_theta_max      53.86
_cell_measurement_theta_min      3.29
_cell_volume                     1368.93(8)
_computing_structure_refinement  'SHELXL-2018/3 (Sheldrick, 2018)'
_computing_structure_solution    'SHELXT 2014/5 (Sheldrick, 2014)'
_diffrn_ambient_temperature      193(2)
_diffrn_measured_fraction_theta_full 0.988
_diffrn_measured_fraction_theta_max 0.987
_diffrn_measurement_device_type  'Bruker D8 VENTURE PHOTONII'
_diffrn_radiation_type           GaK\a
_diffrn_radiation_wavelength     1.34139
_diffrn_reflns_av_R_equivalents  0.0310
_diffrn_reflns_av_unetI/netI     0.0273
_diffrn_reflns_Laue_measured_fraction_full 0.988
_diffrn_reflns_Laue_measured_fraction_max 0.987
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            16063
_diffrn_reflns_point_group_measured_fraction_full 0.988
_diffrn_reflns_point_group_measured_fraction_max 0.987
_diffrn_reflns_theta_full        53.594
_diffrn_reflns_theta_max         53.859
_diffrn_reflns_theta_min         3.294
_exptl_absorpt_coefficient_mu    2.294
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    1.445
_exptl_crystal_description       block
_exptl_crystal_F_000             608
_exptl_crystal_size_max          0.160
_exptl_crystal_size_mid          0.150
_exptl_crystal_size_min          0.130
_refine_diff_density_max         0.546
_refine_diff_density_min         -0.433
_refine_diff_density_rms         0.053
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.041
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     331
_refine_ls_number_reflns         4945
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.041
_refine_ls_R_factor_all          0.0274
_refine_ls_R_factor_gt           0.0258
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0344P)^2^+0.8579P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0700
_refine_ls_wR_factor_ref         0.0713
_reflns_Friedel_coverage         0.000
_reflns_number_gt                4611
_reflns_number_total             4945
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d1cc01117k2.cif
_cod_data_source_block           20200613YWB_0m_a
_cod_depositor_comments
'Adding full bibliography for 7128158--7128161.cif.'
_cod_database_code               7128161
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_min   0.710
_shelx_estimated_absorpt_t_max   0.755
_shelx_res_checksum              51436
_shelx_hkl_checksum              19442