Synthesis, Structure, and Reactions of 1-tert-Butyl-2-diphenylphosphino-imidazole
Susanne Sauerbrey; Paresh Kumar Majhi; Jörg Daniels; Gregor Schnakenburg; Gerhard Markus Brändle; Katharina Scherer; Rainer Streubel; Inorganic Chemistry 50 (2011) 793–799; doi:10.1021/ic101122n

data_4324275
_publ_contact_author_address
;
University of Bonn
Institute of Inorganic Chemistry
Gerhard-Domagk-Strasse 1
53121 Bonn
Germany
;
_publ_contact_author_email       r.streubel@uni-bonn.de
_publ_contact_author_fax         '049 228 73-9616'
_publ_contact_author_name        'Streubel, Rainer'
_publ_contact_author_phone       '049 228 73-5345'
_publ_section_title
;
 Synthesis, Structure, and Reactions of
 1-tert-Butyl-2-diphenylphosphino-imidazole
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              793
_journal_page_last               799
_journal_paper_doi               10.1021/ic101122n
_journal_volume                  50
_journal_year                    2011
_chemical_formula_moiety         'C19 H21 N2 P Se'
_chemical_formula_sum            'C19 H21 N2 P Se'
_chemical_formula_weight         387.31
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                87.3260(10)
_cell_angle_beta                 73.3950(10)
_cell_angle_gamma                74.0410(10)
_cell_formula_units_Z            2
_cell_length_a                   8.6754(2)
_cell_length_b                   9.4666(2)
_cell_length_c                   11.7580(3)
_cell_measurement_reflns_used    17527
_cell_measurement_temperature    133(2)
_cell_measurement_theta_max      30.034
_cell_measurement_theta_min      0.998
_cell_volume                     889.18(4)
_computing_cell_refinement       'HKL Scalepack (Otwinowski & Minor 1997)'
_computing_data_collection
'HKL Denzo and Scalepack (Otwinowski & Minor 1997)'
_computing_data_reduction
'HKL Denzo and Scalepack (Otwinowski & Minor 1997)'
_computing_molecular_graphics    'DIAMOND (Brandenburg, 1999)'
_computing_publication_material  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      133(2)
_diffrn_detector_area_resol_mean 9
_diffrn_measured_fraction_theta_full 0.981
_diffrn_measured_fraction_theta_max 0.981
_diffrn_measurement_device       '95mm CCD camera on \k-goniostat'
_diffrn_measurement_device_type  'Nonius KappaCCD'
_diffrn_measurement_method       'CCD rotation images, thick slices'
_diffrn_radiation_monochromator  'horizonally mounted graphite crystal'
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0425
_diffrn_reflns_av_sigmaI/netI    0.0450
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            21159
_diffrn_reflns_theta_full        30.03
_diffrn_reflns_theta_max         30.03
_diffrn_reflns_theta_min         3.05
_exptl_absorpt_coefficient_mu    2.202
_exptl_absorpt_correction_T_max  0.8979
_exptl_absorpt_correction_T_min  0.5579
_exptl_absorpt_correction_type   analytical
_exptl_absorpt_process_details
;
 (see. N.W. Alcock (1970). Cryst. Computing, p271)
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.447
_exptl_crystal_description       palte
_exptl_crystal_F_000             396
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.12
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.771
_refine_diff_density_min         -0.611
_refine_diff_density_rms         0.068
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.022
_refine_ls_hydrogen_treatment    refall
_refine_ls_matrix_type           full
_refine_ls_number_parameters     292
_refine_ls_number_reflns         5117
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.022
_refine_ls_R_factor_all          0.0413
_refine_ls_R_factor_gt           0.0292
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0323P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0628
_refine_ls_wR_factor_ref         0.0656
_reflns_number_gt                4177
_reflns_number_total             5117
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic101122n_si_001_1.cif
_cod_data_source_block           joerg50
_cod_database_code               4324275