A Radical Exchange Process: Synthesis of Bicyclo [1.1.1]pentane Derivatives of Xanthates
Riant, Olivier; Rout, Saroj Kumar; Marghem, Gilles; Lan, Junji; Leyssens, Tom; Chemical Communications  (2019) –; doi:10.1039/C9CC07610G

data_7124540
_publ_section_title
;
 A Radical Exchange Process: Synthesis of Bicyclo [1.1.1]pentane
 Derivatives of Xanthates
;
_journal_name_full               'Chemical Communications'
_journal_paper_doi               10.1039/C9CC07610G
_journal_year                    2019
_chemical_formula_moiety         'C16 H18 O2 S2'
_chemical_formula_sum            'C16 H18 O2 S2'
_chemical_formula_weight         306.42
_space_group_crystal_system      monoclinic
_space_group_IT_number           7
_space_group_name_Hall           'P -2yac'
_space_group_name_H-M_alt        'P 1 n 1'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2014/7
_audit_update_record
;
2019-04-23 deposited with the CCDC.	2019-11-20 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 93.371(2)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   5.43658(14)
_cell_length_b                   5.70292(17)
_cell_length_c                   25.1230(6)
_cell_measurement_reflns_used    3893
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      25.6350
_cell_measurement_theta_min      3.2360
_cell_volume                     777.58(4)
_computing_cell_refinement
;
CrysAlisPro, Agilent Technologies,
Version 1.171.37.35 (release 13-08-2014 CrysAlis171 .NET)
(compiled Aug 13 2014,18:06:01)
;
_computing_data_collection       MAR
_computing_data_reduction
;
CrysAlisPro, Agilent Technologies,
Version 1.171.37.35 (release 13-08-2014 CrysAlis171 .NET)
(compiled Aug 13 2014,18:06:01)
;
_computing_molecular_graphics    'MERCURY (Macrae et al., 2008)'
_computing_publication_material
;

'MERCURY (Macrae et al., 2008), Platon (Spek, 2009)'

;
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_computing_structure_solution    'SHELXT (Sheldrick, 2015)'
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 0.988
_diffrn_measured_fraction_theta_max 0.988
_diffrn_measurement_device_type  'MAR345 image plate'
_diffrn_measurement_method       '150 images, \D\F 1.2\% '
_diffrn_radiation_monochromator  'Xenocs Fox3D mirror'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0233
_diffrn_reflns_av_unetI/netI     0.0244
_diffrn_reflns_Laue_measured_fraction_full 0.988
_diffrn_reflns_Laue_measured_fraction_max 0.988
_diffrn_reflns_limit_h_max       6
_diffrn_reflns_limit_h_min       -6
_diffrn_reflns_limit_k_max       6
_diffrn_reflns_limit_k_min       -6
_diffrn_reflns_limit_l_max       29
_diffrn_reflns_limit_l_min       -30
_diffrn_reflns_number            5063
_diffrn_reflns_point_group_measured_fraction_full 0.859
_diffrn_reflns_point_group_measured_fraction_max 0.857
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         25.680
_diffrn_reflns_theta_min         3.249
_diffrn_source                   'Rigaku UltraX 18 rotating anode'
_exptl_absorpt_coefficient_mu    0.341
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.88128
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro, Agilent Technologies,
Version 1.171.37.35 (release 13-08-2014 CrysAlis171 .NET)
(compiled Aug 13 2014,18:06:01)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.309
_exptl_crystal_description       plate
_exptl_crystal_F_000             324
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.23
_exptl_crystal_size_min          0.07
_refine_diff_density_max         0.197
_refine_diff_density_min         -0.153
_refine_diff_density_rms         0.037
_refine_ls_abs_structure_details
;
 Flack x determined using 1016 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   0.02(3)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.076
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     182
_refine_ls_number_reflns         2525
_refine_ls_number_restraints     2
_refine_ls_restrained_S_all      1.075
_refine_ls_R_factor_all          0.0262
_refine_ls_R_factor_gt           0.0253
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0441P)^2^+0.1009P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0680
_refine_ls_wR_factor_ref         0.0688
_reflns_Friedel_coverage         0.731
_reflns_Friedel_fraction_full    0.730
_reflns_Friedel_fraction_max     0.725
_reflns_number_gt                2482
_reflns_number_total             2525
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c9cc07610g2.cif
_cod_data_source_block           or_skr-124
_cod_original_sg_symbol_H-M      'P n'
_cod_database_code               7124540
_shelx_shelxl_version_number     2014/7
_shelx_res_checksum              99614