Polymeric arrangements of P-Se anions and a first insight into their reactivity.
Shi, Weifeng; Shafaei-Fallah, Maryam; Anson, Christopher E.; Rothenberger, Alexander; Dalton transactions (Cambridge, England : 2003)  (2006) 2979–2983; doi:10.1039/b601704e

data_7007210
_publ_section_title
;
 Polymeric arrangements of P-Se anions and a first insight into their
 reactivity.
;
_journal_issue                   24
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              2979
_journal_page_last               2983
_journal_paper_doi               10.1039/b601704e
_journal_year                    2006
_chemical_formula_sum            'C28 H42 K2 O4 P2 Se6'
_chemical_formula_weight         1056.52
_chemical_name_systematic
;
?
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 93.654(5)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   12.6326(7)
_cell_length_b                   19.9940(10)
_cell_length_c                   15.4290(10)
_cell_measurement_reflns_used    6290
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      50
_cell_measurement_theta_min      5
_cell_volume                     3889.1(4)
_computing_cell_refinement       'kuma ccd'
_computing_data_collection       'kuma ccd'
_computing_data_reduction        'kuma ccd'
_computing_molecular_graphics    'SHELXL-97 (Sheldrick, 1997)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      150(2)
_diffrn_detector_area_resol_mean 6.67
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.672
_diffrn_measurement_device_type  'stoe stadi 4'
_diffrn_measurement_method       rotation
_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  0.0804
_diffrn_reflns_av_sigmaI/netI    0.0821
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       25
_diffrn_reflns_limit_k_min       -25
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            29272
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         31.84
_diffrn_reflns_theta_min         3.78
_exptl_absorpt_coefficient_mu    5.971
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.804
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             2056
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.20
_refine_diff_density_max         1.528
_refine_diff_density_min         -1.221
_refine_diff_density_rms         0.279
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.006
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     373
_refine_ls_number_reflns         8957
_refine_ls_number_restraints     30
_refine_ls_restrained_S_all      1.005
_refine_ls_R_factor_all          0.0898
_refine_ls_R_factor_gt           0.0519
_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^)+(0.0947P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1271
_refine_ls_wR_factor_ref         0.1743
_reflns_number_gt                5506
_reflns_number_total             8957
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b601704e.txt
_cod_data_source_block           3
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               7007210