First Examples of Diazepanylidene Carbenes and Their Late-Transition-Metal Complexes
Iglesias, Manuel; Beetstra, Dirk J.; Stasch, Andreas; Horton, Peter N.; Hursthouse, Michael B.; Coles, Simon J.; Cavell, Kingsley J.; Dervisi, Athanasia; Fallis, Ian A.; Organometallics 26 (2007) 4800–; doi:10.1021/om7004904

data_4073596
_publ_section_title
;
 First Examples of Diazepanylidene Carbenes and Their
 Late-Transition-Metal Complexes
;
_journal_issue                   19
_journal_name_full               Organometallics
_journal_page_first              4800
_journal_paper_doi               10.1021/om7004904
_journal_volume                  26
_journal_year                    2007
_chemical_absolute_configuration unk
_chemical_formula_sum            'C20 H35 F6 N2 O2 P'
_chemical_formula_weight         480.47
_space_group_IT_number           4
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'P 2yb'
_symmetry_space_group_name_H-M   'P 1 21 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                 91.736(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   10.2267(4)
_cell_length_b                   14.7526(7)
_cell_length_c                   15.9420(7)
_cell_measurement_reflns_used    5678
_cell_measurement_temperature    120(2)
_cell_measurement_theta_max      27.485
_cell_measurement_theta_min      0.998
_cell_volume                     2404.07(18)
_computing_cell_refinement
'DENZO (Otwinowski & Minor, 1997) & COLLECT (Hooft, R.W.W., 1998)'
_computing_data_collection       'COLLECT (Hooft, R.W.W., 1998)'
_computing_data_reduction
'DENZO (Otwinowski & Minor, 1997) & COLLECT (Hooft, R.W.W., 1998)'
_computing_molecular_graphics    'ORTEP3 for Windows (Farrugia, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997b)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997a)'
_diffrn_ambient_temperature      120(2)
_diffrn_detector_area_resol_mean 9.091
_diffrn_measured_fraction_theta_full 0.983
_diffrn_measured_fraction_theta_max 0.983
_diffrn_measurement_device_type  'Bruker-Nonius 95mm CCD camera on \k-goniostat'
_diffrn_measurement_method       '\f & \w scans'
_diffrn_radiation_monochromator  '10cm confocal mirrors'
_diffrn_radiation_source         'Bruker-Nonius FR591 rotating anode'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0644
_diffrn_reflns_av_sigmaI/netI    0.1480
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            31833
_diffrn_reflns_theta_full        27.48
_diffrn_reflns_theta_max         27.48
_diffrn_reflns_theta_min         4.85
_exptl_absorpt_coefficient_mu    0.179
_exptl_absorpt_correction_T_max  0.9823
_exptl_absorpt_correction_T_min  0.9319
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS V2.10 (Sheldrick, G.M., 2003)'
_exptl_crystal_colour            Colourless
_exptl_crystal_density_diffrn    1.327
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Slab
_exptl_crystal_F_000             1016
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.26
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.429
_refine_diff_density_min         -0.399
_refine_diff_density_rms         0.095
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.087
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     693
_refine_ls_number_reflns         22144
_refine_ls_number_restraints     562
_refine_ls_restrained_S_all      1.086
_refine_ls_R_factor_all          0.2011
_refine_ls_R_factor_gt           0.0879
_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^)+(0.0896P)^2^+9.3036P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1949
_refine_ls_wR_factor_ref         0.2674
_reflns_number_gt                12204
_reflns_number_total             22144
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om7004904-file002.cif
_cod_data_source_block           4.HPF6
_cod_original_sg_symbol_H-M      P2(1)
_cod_database_code               4073596