Chalcogenation of the 1,4-C2P4 Ring: Oxidation, Isomerization, Insertion, and Ring Contraction
Philip J. W. Elder; Tristram Chivers; Inorganic Chemistry 52 (2013) 7791–7804; doi:10.1021/ic401002b

data_4335409
_publ_section_title
;
 Chalcogenation of the 1,4-C2P4 Ring: Oxidation, Isomerization, Insertion,
 and Ring Contraction
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              7791
_journal_page_last               7804
_journal_paper_doi               10.1021/ic401002b
_journal_volume                  52
_journal_year                    2013
_chemical_formula_moiety         'C9 H20 P2 Se4'
_chemical_formula_sum            'C9 H20 P2 Se4'
_chemical_formula_weight         506.03
_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                90.000
_cell_angle_beta                 109.819(2)
_cell_angle_gamma                90.000
_cell_formula_units_Z            4
_cell_length_a                   14.2600(4)
_cell_length_b                   7.5740(5)
_cell_length_c                   15.8620(5)
_cell_measurement_reflns_used    3674
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      27.5
_cell_measurement_theta_min      3.0
_cell_volume                     1611.70(13)
_computing_cell_refinement       'HKL Scalepack (Otwinowski & Minor 1997)'
_computing_data_collection       'Collect (Nonius BV, 1997-2000)'
_computing_data_reduction        DENZO-SMN
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device_type  'KappaCCD (Nonius, FR540C)'
_diffrn_measurement_method       'phi\omega scans'
_diffrn_radiation_monochromator  'horizonally mounted graphite crystal'
_diffrn_radiation_source         'Enraf Nonius FR590D, fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0862
_diffrn_reflns_av_sigmaI/netI    0.0570
_diffrn_reflns_limit_h_max       18
_diffrn_reflns_limit_h_min       -18
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            13007
_diffrn_reflns_theta_full        27.50
_diffrn_reflns_theta_max         27.50
_diffrn_reflns_theta_min         3.02
_exptl_absorpt_coefficient_mu    9.276
_exptl_absorpt_correction_T_max  0.5240
_exptl_absorpt_correction_T_min  0.4573
_exptl_absorpt_correction_type   integration
_exptl_absorpt_process_details   'SADABS (SHELXTL-NT v5.1, Bruker)'
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    2.085
_exptl_crystal_description       prism
_exptl_crystal_F_000             960
_exptl_crystal_size_max          0.10
_exptl_crystal_size_mid          0.08
_exptl_crystal_size_min          0.08
_refine_diff_density_max         0.768
_refine_diff_density_min         -0.796
_refine_diff_density_rms         0.178
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.094
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     136
_refine_ls_number_reflns         3674
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.094
_refine_ls_R_factor_all          0.0806
_refine_ls_R_factor_gt           0.0516
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0132P)^2^+14.3175P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0890
_refine_ls_wR_factor_ref         0.1027
_reflns_number_gt                2731
_reflns_number_total             3674
_reflns_threshold_expression     >2\s(I)
_cod_data_source_file            ic401002b_si_003_6.cif
_cod_data_source_block           5b
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               4335409