Synthesis and P-P cleavage reactions of [P(X)X']2; X-ray structures of [Co[P(X)X'](CO)3] and P4[P(X)X']2[X = N(SiMe3)2, X'= NPri2].
Bezombes, Jean-Philippe; Hitchcock, Peter B.; Lappert, Michael F.; Nycz, Jacek E.; Dalton transactions (Cambridge, England : 2003)  (2004) 499–501; doi:10.1039/b315793h

data_7013880
_publ_section_title
;
 Synthesis and P-P cleavage reactions of [P(X)X']2; X-ray structures of
 [Co[P(X)X'](CO)3] and P4[P(X)X']2[X = N(SiMe3)2, X'= NPri2].
;
_journal_issue                   4
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              499
_journal_page_last               501
_journal_paper_doi               10.1039/b315793h
_journal_year                    2004
_chemical_compound_source        'synthesis as described'
_chemical_formula_moiety         'C24 H64 N4 P6 Si4'
_chemical_formula_structural     'C24 H64 N4 P6 SI4'
_chemical_formula_sum            'C24 H64 N4 P6 Si4'
_chemical_formula_weight         706.97
_chemical_name_common            (P4(P(NiPr2)(N(SiMe3)2))2)
_space_group_IT_number           7
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      7
_symmetry_space_group_name_Hall  'P -2ya'
_symmetry_space_group_name_H-M   'P 1 a 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_conform_dict_location     ftp://ftp.iucr.org/cifdics/cif_core.dic
_audit_conform_dict_name         cif_core.dic
_audit_conform_dict_version      2.1
_audit_creation_date             2001-03-19T14:38:41-00:00
_audit_creation_method           'WinGX routine CIF_UPDATE'
_cell_angle_alpha                90
_cell_angle_beta                 112.336(2)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   13.8004(7)
_cell_length_b                   11.0049(5)
_cell_length_c                   14.7827(7)
_cell_measurement_reflns_used    7324
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      25.028
_cell_measurement_theta_min      3.705
_cell_measurement_wavelength     0.71073
_cell_volume                     2076.63(17)
_computing_cell_refinement       'HKL Scalepack (Otwinowski & Minor 1997)'
_computing_data_reduction
'HKL Denzo and Scalepack (Otwinowski & Minor 1997)'
_computing_molecular_graphics    'Ortep-3 for Windows (Farrugia, 1997)'
_computing_publication_material  'WinGX publication routines (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.983
_diffrn_measured_fraction_theta_max 0.983
_diffrn_measurement_device       KappaCCD
_diffrn_measurement_method       CCD
_diffrn_orient_matrix_UB_33      0.01
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.042
_diffrn_reflns_av_unetI/netI     0.0586
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            9087
_diffrn_reflns_theta_full        25.05
_diffrn_reflns_theta_max         25.05
_diffrn_reflns_theta_min         3.91
_exptl_absorpt_coefficient_mu    0.394
_exptl_absorpt_correction_T_max  0.8909
_exptl_absorpt_correction_T_min  0.8909
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.131
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             764
_exptl_crystal_size_max          0.3
_exptl_crystal_size_mid          0.3
_exptl_crystal_size_min          0.3
_refine_diff_density_max         0.688
_refine_diff_density_min         -0.252
_refine_diff_density_rms         0.055
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.08(18)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.037
_refine_ls_hydrogen_treatment    riding
_refine_ls_matrix_type           full
_refine_ls_number_parameters     398
_refine_ls_number_reflns         5552
_refine_ls_number_restraints     2
_refine_ls_restrained_S_all      1.037
_refine_ls_R_factor_all          0.0587
_refine_ls_R_factor_gt           0.0495
_refine_ls_shift/su_max          0.003
_refine_ls_shift/su_mean         0
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0512P)^2^+2.2740P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1207
_refine_ls_wR_factor_ref         0.1273
_reflns_number_gt                4876
_reflns_number_total             5552
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b315793h.txt
_cod_data_source_block           mar1901
_cod_original_sg_symbol_H-M      Pa
_cod_database_code               7013880