The first ring-expanded NHC-copper(i) phosphides as catalysts in the highly selective hydrophosphination of isocyanates.
Horsley Downie, Thomas M.; Hall, Jonathan W.; Collier Finn, Thomas P.; Liptrot, David J.; Lowe, John P.; Mahon, Mary F.; McMullin, Claire L.; Whittlesey, Michael K.; Chemical communications (Cambridge, England) 56 (2020) 13359–13362; doi:10.1039/d0cc05694d

data_7127354
_publ_section_title
;
 The first ring-expanded NHC-copper(i) phosphides as catalysts in the
 highly selective hydrophosphination of isocyanates.
;
_journal_issue                   87
_journal_name_full
'Chemical communications (Cambridge, England)'
_journal_page_first              13359
_journal_page_last               13362
_journal_paper_doi               10.1039/d0cc05694d
_journal_volume                  56
_journal_year                    2020
_chemical_formula_moiety         'C40 H50 Cu N2 P'
_chemical_formula_sum            'C40 H50 Cu N2 P'
_chemical_formula_weight         653.33
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     iterative
_audit_creation_date             2019-03-04
_audit_creation_method
;
Olex2 1.2
(compiled 2018.05.29 svn.r3508 for OlexSys, GUI svn.r5506)
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_audit_update_record
;
2020-07-06 deposited with the CCDC.	2020-09-30 downloaded from the CCDC.
;
_cell_angle_alpha                104.810(2)
_cell_angle_beta                 90.293(2)
_cell_angle_gamma                95.555(2)
_cell_formula_units_Z            4
_cell_length_a                   12.8035(3)
_cell_length_b                   16.6298(4)
_cell_length_c                   17.6961(4)
_cell_measurement_reflns_used    12272
_cell_measurement_temperature    149.99(10)
_cell_measurement_theta_max      29.0640
_cell_measurement_theta_min      3.8440
_cell_volume                     3623.82(15)
_computing_cell_refinement       'CrysAlisPro 1.171.39.46 (Rigaku OD, 2018)'
_computing_data_collection       'CrysAlisPro 1.171.39.46 (Rigaku OD, 2018)'
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_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'ShelXL (Sheldrick, 2015)'
_computing_structure_solution    'olex2.solve (Bourhis et al., 2015)'
_diffrn_ambient_environment      N~2~
_diffrn_ambient_temperature      149.99(10)
_diffrn_detector                 'CCD plate'
_diffrn_detector_area_resol_mean 8.0734
_diffrn_detector_type            EosS2
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.828
_diffrn_measurement_device       'four-circle diffractometer'
_diffrn_measurement_device_type  'New Xcalibur, EosS2'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0291
_diffrn_reflns_av_unetI/netI     0.0569
_diffrn_reflns_Laue_measured_fraction_full 0.998
_diffrn_reflns_Laue_measured_fraction_max 0.828
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       23
_diffrn_reflns_limit_k_min       -22
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            35949
_diffrn_reflns_point_group_measured_fraction_full 0.998
_diffrn_reflns_point_group_measured_fraction_max 0.828
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         29.627
_diffrn_reflns_theta_min         3.329
_diffrn_source                   'fine-focus sealed X-ray tube'
_diffrn_source_type              'Enhance (Mo) X-ray Source'
_exptl_absorpt_coefficient_mu    0.676
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.97837
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.39.46 (Rigaku Oxford Diffraction, 2018)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            colourless
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.197
_exptl_crystal_description       block
_exptl_crystal_F_000             1392
_exptl_crystal_size_max          0.442
_exptl_crystal_size_mid          0.267
_exptl_crystal_size_min          0.18
_refine_diff_density_max         0.632
_refine_diff_density_min         -0.456
_refine_diff_density_rms         0.058
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.014
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     809
_refine_ls_number_reflns         16928
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.014
_refine_ls_R_factor_all          0.0672
_refine_ls_R_factor_gt           0.0416
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0353P)^2^+0.9691P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0836
_refine_ls_wR_factor_ref         0.0932
_reflns_Friedel_coverage         0.000
_reflns_number_gt                12503
_reflns_number_total             16928
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d0cc05694d2.cif
_cod_data_source_block           e19mkw10
_cod_depositor_comments
'Adding full bibliography for 7127351--7127357.cif.'
_cod_database_code               7127354
_chemical_oxdiff_usercomment     'Clear blocks'
_shelx_estimated_absorpt_t_max   0.888
_shelx_estimated_absorpt_t_min   0.754
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All C(H,H) groups
 At 1.5 times of:
  All C(H,H,H) groups
2.a Ternary CH refined with riding coordinates:
 C11(H11), C14(H14), C23(H23), C26(H26), C51(H51), C54(H54), C63(H63), C66(H66)
2.b Secondary CH2 refined with riding coordinates:
 C2(H2A,H2B), C3(H3A,H3B), C4(H4A,H4B), C42(H42A,H42B), C43(H43A,H43B),
 C44(H44A,H44B)
2.c Aromatic/amide H refined with riding coordinates:
 C7(H7), C8(H8), C9(H9), C19(H19), C20(H20), C21(H21), C30(H30), C31(H31),
 C32(H32), C33(H33), C34(H34), C36(H36), C37(H37), C38(H38), C39(H39), C40(H40),
  C47(H47), C48(H48), C49(H49), C59(H59), C60(H60), C61(H61), C70(H70),
 C71(H71), C72(H72), C73(H73), C74(H74), C76(H76), C77(H77), C78(H78), C79(H79),
  C80(H80)
2.d Idealised Me refined as rotating group:
 C12(H12A,H12B,H12C), C13(H13A,H13B,H13C), C15(H15A,H15B,H15C), C16(H16A,H16B,
 H16C), C24(H24A,H24B,H24C), C25(H25A,H25B,H25C), C27(H27A,H27B,H27C), C28(H28A,
 H28B,H28C), C52(H52A,H52B,H52C), C53(H53A,H53B,H53C), C55(H55A,H55B,H55C),
 C56(H56A,H56B,H56C), C64(H64A,H64B,H64C), C65(H65A,H65B,H65C), C67(H67A,H67B,
 H67C), C68(H68A,H68B,H68C)
;