Arbuzov meets 1,2-oxaphosphetanes: transient 1,2-oxaphosphetan-2-iums as an entry point to beta-halo phosphane oxides and P-containing oligomers.
Gleim, Florian; Schnakenburg, Gregor; Ferao, Arturo Espinosa; Streubel, Rainer; Chemical communications (Cambridge, England) 60 (2024) 2625–2628; doi:10.1039/d4cc00254g

data_7132683
_publ_section_title
;
 Arbuzov meets 1,2-oxaphosphetanes: transient 1,2-oxaphosphetan-2-iums as
 an entry point to beta-halo phosphane oxides and P-containing oligomers.
;
_journal_issue                   19
_journal_name_full               'Chemical communications (Cambridge, England)'
_journal_page_first              2625
_journal_page_last               2628
_journal_paper_doi               10.1039/d4cc00254g
_journal_volume                  60
_journal_year                    2024
_chemical_formula_moiety         'C21 H19 O P'
_chemical_formula_sum            'C21 H19 O P'
_chemical_formula_weight         318.33
_chemical_name_systematic        FLG-326
_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
_audit_creation_date             2022-03-04
_audit_creation_method
;
Olex2 1.2
(compiled 2018.05.29 svn.r3508 for OlexSys, GUI svn.r5506)
;
_audit_update_record
;
2023-08-22 deposited with the CCDC.	2024-02-01 downloaded from the CCDC.
;
_cell_angle_alpha                94.652(11)
_cell_angle_beta                 90.566(10)
_cell_angle_gamma                113.742(10)
_cell_formula_units_Z            2
_cell_length_a                   8.1143(10)
_cell_length_b                   8.9827(13)
_cell_length_c                   12.4136(16)
_cell_measurement_reflns_used    3259
_cell_measurement_temperature    123
_cell_measurement_theta_max      25.72
_cell_measurement_theta_min      2.49
_cell_volume                     824.6(2)
_computing_cell_refinement       'STOE X-AREA'
_computing_data_collection       'STOE X-AREA'
_computing_data_reduction        'STOE X-RED'
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'XL (Sheldrick, 2008)'
_computing_structure_solution    'XT  (Sheldrick, 2015)'
_diffrn_ambient_temperature      123(2)
_diffrn_detector                 'image plate (34 cm diameter)'
_diffrn_detector_area_resol_mean 6.67
_diffrn_detector_type            STOE
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_details
;
 178 frames, detector distance = 100 mm
;
_diffrn_measurement_device       '2-circle goniometer'
_diffrn_measurement_device_type  'STOE IPDS-2T'
_diffrn_measurement_method       'rotation method'
_diffrn_radiation_collimation    '0.5 mm diameter, monocapillary'
_diffrn_radiation_monochromator  'plane graphite'
_diffrn_radiation_polarisn_norm  0
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0757
_diffrn_reflns_av_unetI/netI     0.0981
_diffrn_reflns_Laue_measured_fraction_full 0.994
_diffrn_reflns_Laue_measured_fraction_max 0.994
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            7553
_diffrn_reflns_point_group_measured_fraction_full 0.994
_diffrn_reflns_point_group_measured_fraction_max 0.994
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         25.248
_diffrn_reflns_theta_min         2.488
_diffrn_source
'sealed X-ray tube, 12 x 0.4 mm long-fine focus'
_diffrn_source_current           40
_diffrn_source_power             2.00
_diffrn_source_voltage           50
_exptl_absorpt_coefficient_mu    0.169
_exptl_absorpt_correction_T_max  0.9942
_exptl_absorpt_correction_T_min  0.8198
_exptl_absorpt_correction_type   integration
_exptl_crystal_colour            'clear colourless'
_exptl_crystal_colour_lustre     clear
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.282
_exptl_crystal_description       plate
_exptl_crystal_F_000             336
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.14
_exptl_crystal_size_min          0.03
_refine_diff_density_max         0.667
_refine_diff_density_min         -0.411
_refine_diff_density_rms         0.102
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.910
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     209
_refine_ls_number_reflns         7553
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.910
_refine_ls_R_factor_all          0.1409
_refine_ls_R_factor_gt           0.0611
_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^)+(0.0909P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1392
_refine_ls_wR_factor_ref         0.1720
_reflns_Friedel_coverage         0.000
_reflns_number_gt                3639
_reflns_number_total             7553
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d4cc00254g2.cif
_cod_data_source_block           6
_cod_depositor_comments
'Adding full bibliography for 7132681--7132686.cif.'
_cod_database_code               7132683
_shelx_shelxl_version_number     2017/1
_shelx_estimated_absorpt_t_max   0.995
_shelx_estimated_absorpt_t_min   0.959
_olex2_refinement_description
;
1. Twinned data refinement
 Scales: 0.8389(13)
 0.1611(13)
2. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All C(H,H) groups
3.a Secondary CH2 refined with riding coordinates:
 C3(H3A,H3B), C4(H4A,H4B)
3.b Aromatic/amide H refined with riding coordinates:
 C7(H7), C8(H8), C9(H9), C10(H10), C11(H11), C13(H13), C14(H14), C15(H15),
 C16(H16), C17(H17), C19(H19), C20(H20), C21(H21), C22(H22), C23(H23)
;
_shelx_res_checksum              45497
_shelx_hkl_checksum              20107
_olex2_submission_special_instructions 'No special instructions were received'