A Lewis-basic, dionio-substituted phosphane.
Coles, Martyn P; Hitchcock, Peter B; Chemical communications (Cambridge, England)  (2007) 5229–5231; doi:10.1039/b710923g

data_7102356
_publ_section_title
;
 A Lewis-basic, dionio-substituted phosphane.
;
_journal_issue                   48
_journal_name_full               'Chemical communications (Cambridge, England)'
_journal_page_first              5229
_journal_page_last               5231
_journal_paper_doi               10.1039/b710923g
_journal_year                    2007
_chemical_absolute_configuration ad
_chemical_compound_source        'synthesis as described'
_chemical_formula_moiety         'C21 H31 N6 P, C H2 Cl2, 2(Cl)'
_chemical_formula_sum            'C22 H33 Cl4 N6 P'
_chemical_formula_weight         554.31
_space_group_IT_number           33
_symmetry_cell_setting           orthorhombic
_symmetry_Int_Tables_number      33
_symmetry_space_group_name_Hall  'P 2c -2n'
_symmetry_space_group_name_H-M   'P n a 21'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_conform_dict_location     ftp://ftp.iucr.org/pub/cif_core.dic
_audit_conform_dict_name         cif_core.dic
_audit_conform_dict_version      2.3
_audit_creation_date             2006-07-06T15:58:30-00:00
_audit_creation_method           'WinGX routine CIF_UPDATE'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   13.5675(3)
_cell_length_b                   15.3805(2)
_cell_length_c                   12.3987(3)
_cell_measurement_reflns_used    16852
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      26.022
_cell_measurement_theta_min      3.395
_cell_measurement_wavelength     0.71073
_cell_volume                     2587.30(9)
_computing_cell_refinement       'HKL Scalepack (Otwinowski & Minor 1997)'
_computing_data_collection       'Collect (Nonius BV, 1997-2000)'
_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-86 (Sheldrick, 1986)'
_diffrn_ambient_temperature      173(2)
_diffrn_detector                 'CCD plate'
_diffrn_detector_area_resol_mean 9
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device       '95mm CCD camera on \k-goniostat'
_diffrn_measurement_device_type  KappaCCD
_diffrn_measurement_method       'CCD rotation images, thick slices'
_diffrn_orient_matrix_type       'by Nonius Collect from scalepack cell'
_diffrn_orient_matrix_UB_11      -0.108597E-1
_diffrn_orient_matrix_UB_12      0.186412E-1
_diffrn_orient_matrix_UB_13      0.622914E-1
_diffrn_orient_matrix_UB_21      0.794486E-1
_diffrn_orient_matrix_UB_22      0.102403E-1
_diffrn_orient_matrix_UB_23      0.66163E-2
_diffrn_orient_matrix_UB_31      -0.00866
_diffrn_orient_matrix_UB_32      0.705702E-1
_diffrn_orient_matrix_UB_33      -0.174144E-1
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0465
_diffrn_reflns_av_unetI/netI     0.0269
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            25557
_diffrn_reflns_theta_full        26.01
_diffrn_reflns_theta_max         26.01
_diffrn_reflns_theta_min         3.42
_diffrn_source                   'Enraf Nonius FR590'
_exptl_absorpt_coefficient_mu    0.543
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.423
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             1160
_exptl_crystal_size_max          0.4
_exptl_crystal_size_mid          0.4
_exptl_crystal_size_min          0.4
_refine_diff_density_max         0.362
_refine_diff_density_min         -0.415
_refine_diff_density_rms         0.113
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.04(4)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.974
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     303
_refine_ls_number_reflns         5042
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      0.974
_refine_ls_R_factor_all          0.0299
_refine_ls_R_factor_gt           0.028
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0574P)^2^+0.6899P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0801
_refine_ls_wR_factor_ref         0.0819
_reflns_number_gt                4845
_reflns_number_total             5042
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b710923g.txt
_cod_data_source_block           (2)-jul706
_cod_database_code               7102356