A 2,2′-diphosphinotolane as a versatile precursor for the synthesis of P-ylidic mesoionic carbenes via reversible C‒P bond formation
Wagner, Hannah K.; Wadepohl, Hubert; Ballmann, Joachim; Chemical Science 12 (2021) 3693–3701; doi:10.1039/D0SC06128J

data_1560227
_publ_section_title
;
 A 2,2&#x2032;-diphosphinotolane as a versatile precursor for the
 synthesis of P-ylidic mesoionic carbenes via reversible C--P bond
 formation
;
_journal_issue                   10
_journal_name_full               'Chemical Science'
_journal_page_first              3693
_journal_page_last               3701
_journal_paper_doi               10.1039/D0SC06128J
_journal_volume                  12
_journal_year                    2021
_chemical_formula_sum            'C29 H36 O3 P2 W'
_chemical_formula_weight         678.37
_chemical_properties_physical    'air-sensitive, moisture-sensitive'
_space_group_crystal_system      orthorhombic
_space_group_IT_number           61
_space_group_name_Hall           '-P 2ac 2ab'
_space_group_name_H-M_alt        'P b c a'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     dual
_atom_sites_solution_secondary   difmap
_audit_block_code                ba_hw8a
_audit_creation_date             2020-10-07
_audit_creation_method
;
encif (version 1.121)

encifer (version_id = 274361.64)

Olex2 1.3
(compiled 2020.07.31 svn.rc2a7746 for OlexSys, GUI svn.r6145)
;
_audit_update_record
;
2020-10-08 deposited with the CCDC.	2021-01-22 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   15.6520(7)
_cell_length_b                   16.0720(7)
_cell_length_c                   22.3038(12)
_cell_measurement_reflns_used    1821
_cell_measurement_temperature    120(1)
_cell_measurement_theta_max      27.1340
_cell_measurement_theta_min      3.1110
_cell_volume                     5610.7(5)
_computing_cell_refinement       'CrysAlisPro 1.171.40.82a (Rigaku OD, 2020)'
_computing_data_collection       'CrysAlisPro 1.171.40.82a (Rigaku OD, 2020)'
_computing_data_reduction        'CrysAlisPro 1.171.40.82a (Rigaku OD, 2020)'
_computing_publication_material
'encif (Wadepohl, 2009-19); encifer (Allen et al., 2004)'
_computing_structure_refinement  'SHELXL-20xx (Sheldrick, 2015)'
_computing_structure_solution    'SIR2014 (Giacovazzo et al., 2014)'
_diffrn_ambient_temperature      120(1)
_diffrn_detector                 'CCD plate'
_diffrn_detector_area_resol_mean 7.9621
_diffrn_detector_type            Eos
_diffrn_measured_fraction_theta_full 0.945
_diffrn_measured_fraction_theta_max 0.941
_diffrn_measurement_details
;
List of Runs (angles in degrees, time in seconds):

  # Type    Start    End  Width  t~exp~   \w     \q     \k     \f   Frames
  1  \w    -45.00  34.00   0.50   15.00    --   18.93 -57.00-120.00  158
;
_diffrn_measurement_device       'four-circle diffractometer'
_diffrn_measurement_device_type
'Agilent SuperNova, Dual, Cu at home/near, Eos'
_diffrn_measurement_method       '\w scans'
_diffrn_measurement_specimen_support 'polyimid foil'
_diffrn_orient_matrix_type
'CrysAlisPro convention (1999,Acta A55,543-557)'
_diffrn_orient_matrix_UB_11      0.0051810000
_diffrn_orient_matrix_UB_12      0.0376946000
_diffrn_orient_matrix_UB_13      -0.0161953000
_diffrn_orient_matrix_UB_21      0.0393532000
_diffrn_orient_matrix_UB_22      0.0071485000
_diffrn_orient_matrix_UB_23      0.0148708000
_diffrn_orient_matrix_UB_31      0.0218509000
_diffrn_orient_matrix_UB_32      -0.0217789000
_diffrn_orient_matrix_UB_33      -0.0229994000
_diffrn_radiation_collimation    'focusing mirrors'
_diffrn_radiation_monochromator  mirror
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71073
_diffrn_radiation_xray_symbol    K-L~2,3~
_diffrn_reflns_av_R_equivalents  0.0419
_diffrn_reflns_av_unetI/netI     0.1014
_diffrn_reflns_Laue_measured_fraction_full 0.945
_diffrn_reflns_Laue_measured_fraction_max 0.941
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -18
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       9
_diffrn_reflns_limit_l_min       -26
_diffrn_reflns_number            7849
_diffrn_reflns_point_group_measured_fraction_full 0.945
_diffrn_reflns_point_group_measured_fraction_max 0.941
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         26.022
_diffrn_reflns_theta_min         2.242
_diffrn_source                   'microfocus X-Ray tube'
_diffrn_source_type              'Agilent SuperNova (Mo) X-ray Source'
_exptl_absorpt_coefficient_mu    4.259
_exptl_absorpt_correction_T_max  1.000
_exptl_absorpt_correction_T_min  0.864
_exptl_absorpt_correction_type   gaussian
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.40.82a (Rigaku Oxford Diffraction, 2020)
Numerical absorption correction based on gaussian integration over
a multifaceted crystal model
Empirical absorption correction using spherical harmonics,
implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            bronze
_exptl_crystal_density_diffrn    1.606
_exptl_crystal_description       irregular
_exptl_crystal_F_000             2704
_exptl_crystal_size_max          0.218
_exptl_crystal_size_mid          0.075
_exptl_crystal_size_min          0.053
_refine_diff_density_max         1.409
_refine_diff_density_min         -1.000
_refine_diff_density_rms         0.191
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.076
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     324
_refine_ls_number_reflns         5205
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.076
_refine_ls_R_factor_all          0.1058
_refine_ls_R_factor_gt           0.0678
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0332P)^2^+7.6234P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1097
_refine_ls_wR_factor_ref         0.1252
_reflns_Friedel_coverage         0.000
_reflns_number_gt                3581
_reflns_number_total             5205
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d0sc06128j2.cif
_cod_data_source_block           ba_hw8a
_cod_depositor_comments
'Adding full bibliography for 1560218--1560233.cif.'
_cod_database_code               1560227
_audit_block_refno               3255
_audit_block_usercomment         'HW101, irregular, bronze'
_reflns_odcompleteness_completeness 91.92
_reflns_odcompleteness_iscentric 1
_reflns_odcompleteness_theta     25.97
_shelxl_version_number           2018/3
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups
 At 1.5 times of:
  All C(H,H,H) groups
2.a Ternary CH refined with riding coordinates:
 C15(H15), C18(H18), C21(H21), C24(H24)
2.b Aromatic/amide H refined with riding coordinates:
 C3(H3), C4(H4), C5(H5), C6(H6), C9(H9), C10(H10), C11(H11), C12(H12)
2.c Idealised Me refined as rotating group:
 C16(H16A,H16B,H16C), C17(H17A,H17B,H17C), C19(H19A,H19B,H19C), C20(H20A,H20B,
 H20C), C22(H22A,H22B,H22C), C23(H23A,H23B,H23C), C25(H25A,H25B,H25C), C26(H26A,
 H26B,H26C)
;
_oxdiff_exptl_absorpt_empirical_details
;
Empirical correction (ABSPACK) includes:
- Absorption correction using spherical harmonics
- Frame scaling
;
_oxdiff_exptl_absorpt_empirical_full_max 1.049
_oxdiff_exptl_absorpt_empirical_full_min 0.965
_shelx_res_checksum              58561
_cell_oxdiff_measurement_reflns_used 1821