A homonuclear π-system with a singlet carbene-type alpha and a nucleophilic beta phosphorus – first use in P-heterocyclic synthesis
Schmer, Alexander; Welideniya, Dhanushi; Terschüren, Tatjana; Schnakenburg, Gregor; Daniels, Jörg; Bauza, Antonio; Frontera, Antonio; Streubel, R.; Dalton Transactions  (2021) –; doi:10.1039/D1DT03350F

data_7708712
_publ_section_title
;
 A homonuclear \p-system with a singlet carbene-type alpha and a
 nucleophilic beta phosphorus -- first use in P-heterocyclic synthesis
;
_journal_name_full               'Dalton Transactions'
_journal_paper_doi               10.1039/D1DT03350F
_journal_year                    2021
_chemical_formula_moiety         'C19 H21 Cl2 O5 P W'
_chemical_formula_sum            'C19 H21 Cl2 O5 P W'
_chemical_formula_weight         615.08
_chemical_name_systematic        AS-351
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_audit_creation_date             2021-10-22
_audit_creation_method
;
Olex2 1.5
(compiled 2021.10.07 svn.r9718050b for OlexSys, GUI svn.r6410)
;
_audit_update_record
;
2021-10-22 deposited with the CCDC.	2021-11-03 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 98.4653(16)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   6.3280(2)
_cell_length_b                   21.6701(7)
_cell_length_c                   16.6363(5)
_cell_measurement_reflns_used    9726
_cell_measurement_temperature    150
_cell_measurement_theta_max      26.54
_cell_measurement_theta_min      2.48
_cell_volume                     2256.45(12)
_computing_cell_refinement       'SAINT V8.38A (Bruker, 2018)'
_computing_data_reduction        'SAINT V8.38A (Bruker, 2018)'
_computing_molecular_graphics    'Olex2 1.5 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 1.5 (Dolomanov et al., 2009)'
_computing_structure_refinement  'XL  (Sheldrick, 2014)'
_computing_structure_solution    'SHELXT 2014/5 (Sheldrick, 2014)'
_diffrn_ambient_temperature      150
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Bruker D8-Venture'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0809
_diffrn_reflns_av_unetI/netI     0.0242
_diffrn_reflns_Laue_measured_fraction_full 0.998
_diffrn_reflns_Laue_measured_fraction_max 0.998
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       28
_diffrn_reflns_limit_k_min       -28
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            147700
_diffrn_reflns_point_group_measured_fraction_full 0.998
_diffrn_reflns_point_group_measured_fraction_max 0.998
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.999
_diffrn_reflns_theta_min         3.255
_diffrn_source_current           30.0
_diffrn_source_power             1.5
_diffrn_source_voltage           50.0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    5.453
_exptl_absorpt_correction_T_max  0.7460
_exptl_absorpt_correction_T_min  0.5222
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details
;
SADABS 2016/2: Krause, L., Herbst-Irmer, R., Sheldrick G.M. & Stalke D.,
 J. Appl. Cryst. 48 (2015) 3-10
;
_exptl_crystal_colour            'clear colourless'
_exptl_crystal_colour_lustre     clear
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.811
_exptl_crystal_description       block
_exptl_crystal_F_000             1192
_exptl_crystal_size_max          0.09
_exptl_crystal_size_mid          0.05
_exptl_crystal_size_min          0.04
_refine_diff_density_max         0.995
_refine_diff_density_min         -0.684
_refine_diff_density_rms         0.122
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.103
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     259
_refine_ls_number_reflns         5441
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.103
_refine_ls_R_factor_all          0.0315
_refine_ls_R_factor_gt           0.0227
_refine_ls_shift/su_max          0.003
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0119P)^2^+4.7343P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0435
_refine_ls_wR_factor_ref         0.0470
_reflns_Friedel_coverage         0.000
_reflns_number_gt                4732
_reflns_number_total             5441
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d1dt03350f2.cif
_cod_data_source_block           5794_0m0
_cod_database_code               7708712
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_max   0.811
_shelx_estimated_absorpt_t_min   0.640
_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 Aromatic/amide H refined with riding coordinates:
 C2(H2), C4(H4), C6(H6)
2.b Idealised Me refined as rotating group:
 C8(H8A,H8B,H8C), C9(H9A,H9B,H9C), C10(H10A,H10B,H10C), C12(H12A,H12B,H12C),
 C13(H13A,H13B,H13C), C14(H14A,H14B,H14C)
;
_shelx_res_checksum              47779
_olex2_submission_special_instructions 'No special instructions were received'