Structures, dynamic behaviour, and reactivity of P-cyclopentadienyl-substituted 1,3,2-diazaphospholenes
Sebastian Burck; Dietrich Gudat; Martin Nieger; Jürgen Tirreé; Dalton Transactions  (2007) 1891–; doi:10.1039/b702720f

data_7005504
_publ_section_title
;
 Structures, dynamic behaviour, and reactivity of
 P-cyclopentadienyl-substituted 1,3,2-diazaphospholenes
;
_journal_issue                   19
_journal_name_full               'Dalton Transactions'
_journal_page_first              1891
_journal_paper_doi               10.1039/b702720f
_journal_year                    2007
_chemical_formula_moiety         'C31 H41 N2 P - thf'
_chemical_formula_sum            'C35 H49 N2 O P'
_chemical_formula_weight         544.73
_chemical_name_common
;2-Cyclopentadienyl-1,3-bis-(2,6-diisopropyl-phenyl)-1,3,2-
diazaphospholene
;
_chemical_name_systematic
;
2-Cyclopentadienyl-1,3-bis-(2,6-diisopropyl-phenyl)-1,3,2-diazaphospholene
;
_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                90.00
_cell_angle_beta                 98.506(1)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   9.9003(2)
_cell_length_b                   18.4544(4)
_cell_length_c                   17.5559(4)
_cell_measurement_reflns_used    5906
_cell_measurement_temperature    123(2)
_cell_measurement_theta_max      27.5
_cell_measurement_theta_min      1
_cell_volume                     3172.25(12)
_computing_cell_refinement       DENZO-SMN
_computing_data_collection       Collect
_computing_data_reduction        DENZO-SMN
_computing_molecular_graphics    SHELXTL-NT
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      123(2)
_diffrn_measured_fraction_theta_full 0.993
_diffrn_measured_fraction_theta_max 0.967
_diffrn_measurement_device_type  'Nonius KappaCCD'
_diffrn_measurement_method       'rotation in phi and omega, 2 deg.'
_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  0.0280
_diffrn_reflns_av_sigmaI/netI    0.0421
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -23
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            17886
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         27.48
_diffrn_reflns_theta_min         3.03
_exptl_absorpt_coefficient_mu    0.115
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.141
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       blocks
_exptl_crystal_F_000             1184
_exptl_crystal_size_max          0.60
_exptl_crystal_size_mid          0.50
_exptl_crystal_size_min          0.40
_refine_diff_density_max         0.660
_refine_diff_density_min         -0.680
_refine_diff_density_rms         0.061
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.095
_refine_ls_hydrogen_treatment    riding
_refine_ls_matrix_type           full
_refine_ls_number_parameters     352
_refine_ls_number_reflns         7035
_refine_ls_number_restraints     36
_refine_ls_restrained_S_all      1.181
_refine_ls_R_factor_all          0.0736
_refine_ls_R_factor_gt           0.0562
_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^)+(0.1071P)^2^+0.8501P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1680
_refine_ls_wR_factor_ref         0.1798
_reflns_number_gt                5364
_reflns_number_total             7035
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b702720f.txt
_cod_data_source_block           gudat94
_cod_depositor_comments
;
The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'none' was changed to '?' - the
value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 3008 2015-01-20 13:52:24Z robertas 
;
_cod_original_sg_symbol_H-M      'P2(1)/n '
_cod_database_code               7005504