Synthesis of 1,3-Dichloro-cyclo-1,3-diphosphadiazanes from Silylated Amino(dichloro)phosphanes
Axel Schulz; Alexander Villinger; Andrea Westenkirchner; Inorganic Chemistry 52 (2013) 11457–11468; doi:10.1021/ic4017728

data_4336295
_publ_contact_author_address
;
Universit\"at Rostock
Institut f\"ur Chemie
Abteilung f\"ur Anorganische Chemie
Albert-Einstein-Strasse 3a 
18059 Rostock
Bundesrepublik Deutschland
;
_publ_contact_author_email
;
axel.schulz@uni-rostock.de, alexander.villinger@uni-rostock.de'
;
_publ_contact_author_fax         '+49 (0)381/498-6382'
_publ_contact_author_name        'Axel Schulz'
_publ_contact_author_phone       '+49 (0)381/498-6400'
_publ_section_title
;
 Synthesis of 1,3-Dichloro-cyclo-1,3-diphosphadiazanes from Silylated
 Amino(dichloro)phosphanes
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              11457
_journal_page_last               11468
_journal_paper_doi               10.1021/ic4017728
_journal_volume                  52
_journal_year                    2013
_chemical_formula_moiety         'C38 H30 Cl2 N2 P2'
_chemical_formula_sum            'C38 H30 Cl2 N2 P2'
_chemical_formula_weight         647.48
_chemical_name_systematic
;
1,3-dichloro-2,4-bis(triphenylmethyl)-cyclo-1,3-diphospha-2,4-diazane
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      14
_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_author_name               'Mayer, P.; Villinger, A.'
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 104.8450(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   21.6043(3)
_cell_length_b                   8.79950(10)
_cell_length_c                   17.6203(3)
_cell_measurement_reflns_used    25702
_cell_measurement_temperature    200(2)
_cell_measurement_theta_max      27.485
_cell_measurement_theta_min      3.134
_cell_volume                     3237.94(8)
_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-3v2.01 (Farrugia, 1997)'
_computing_publication_material  SHELXL-97
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution
;   
A. Altomare, M. C. Burla, M. Camalli, G. L. Cascarano, C. Giacovazzo, A.
Guagliardi, A. G. G. Moliterni, G. Polidori, R. Spagna: SIR97: a new tool for
crystal structure determination and refinement; J. Appl. Crystallogr. 1999,
32, 115-119.
;
_diffrn_ambient_temperature      200(2)
_diffrn_detector_area_resol_mean 9
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device       '95mm CCD camera on \k-goniostat'
_diffrn_measurement_device_type  'Nonius KappaCCD'
_diffrn_measurement_method       omega-scans
_diffrn_radiation_collimation    0.25
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'rotating anode'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.1061
_diffrn_reflns_av_sigmaI/netI    0.0642
_diffrn_reflns_limit_h_max       27
_diffrn_reflns_limit_h_min       -28
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            37888
_diffrn_reflns_theta_full        27.47
_diffrn_reflns_theta_max         27.47
_diffrn_reflns_theta_min         3.29
_diffrn_source_current           45.00
_diffrn_source_power             2.250
_diffrn_source_type              'FR 591 generator'
_diffrn_source_voltage           50.00
_exptl_absorpt_coefficient_mu    0.330
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.328
_exptl_crystal_description       platelet
_exptl_crystal_F_000             1344
_exptl_crystal_size_max          0.16
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.02
_refine_diff_density_max         0.381
_refine_diff_density_min         -0.375
_refine_diff_density_rms         0.058
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.019
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     397
_refine_ls_number_reflns         7385
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.019
_refine_ls_R_factor_all          0.0738
_refine_ls_R_factor_gt           0.0449
_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^)+(0.0352P)^2^+2.2793P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1028
_refine_ls_wR_factor_ref         0.1163
_reflns_number_gt                5374
_reflns_number_total             7385
_reflns_threshold_expression     >2\s(I)
_cod_data_source_file            ic4017728_si_001_15.cif
_cod_data_source_block           jn351_(TritylNPCl)2
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               4336295
_kl_diffrn_measurement_scan_angle omega-scan
_kl_diffrn_measurement_scan_step_degree 1.60
_kl_diffrn_measurement_scan_time_per_degree 30
_kl_diffrn_measurement_detector_distance 30