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_7132684
_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         'C24 H24 Br O2 P'
_chemical_formula_sum            'C24 H24 Br O2 P'
_chemical_formula_weight         455.31
_chemical_name_systematic        FLG-457
_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             2023-05-11
_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                84.831(3)
_cell_angle_beta                 87.383(3)
_cell_angle_gamma                65.062(3)
_cell_formula_units_Z            2
_cell_length_a                   8.8789(4)
_cell_length_b                   9.5863(4)
_cell_length_c                   13.4826(5)
_cell_measurement_reflns_used    14415
_cell_measurement_temperature    100
_cell_measurement_theta_max      70.38
_cell_measurement_theta_min      5.09
_cell_volume                     1036.32(8)
_computing_cell_refinement       'X-Area Recipe 1.37.0.0 (STOE, 2021)'
_computing_data_collection       'X-Area Pilatus3_SV 1.31.189.0 (STOE, 2022)'
_computing_data_reduction
;
X-Area Integrate 2.5.11.0 (STOE, 2022)
X-Area LANA 2.7.9.0 (STOE, 2022)
;
_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    'SHELXT 2014/5 (Sheldrick, 2014)'
_diffrn_ambient_temperature      100
_diffrn_detector_area_resol_mean 5.81
_diffrn_measured_fraction_theta_full 0.987
_diffrn_measured_fraction_theta_max 0.976
_diffrn_measurement_device_type  'STOE STADIVARI'
_diffrn_measurement_method       'rotation method, \w scans'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54186
_diffrn_reflns_av_R_equivalents  0.0486
_diffrn_reflns_av_unetI/netI     0.0410
_diffrn_reflns_Laue_measured_fraction_full 0.987
_diffrn_reflns_Laue_measured_fraction_max 0.976
_diffrn_reflns_limit_h_max       4
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            15691
_diffrn_reflns_point_group_measured_fraction_full 0.987
_diffrn_reflns_point_group_measured_fraction_max 0.976
_diffrn_reflns_theta_full        67.686
_diffrn_reflns_theta_max         70.488
_diffrn_reflns_theta_min         5.104
_diffrn_source                   'Axo Cu'
_exptl_absorpt_coefficient_mu    3.563
_exptl_absorpt_correction_T_max  0.2978
_exptl_absorpt_correction_T_min  0.2209
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
STOE LANA, absorption correction by scaling of reflection intensities.
J. Koziskova, F. Hahn, J. Richter, J. Kozisek, "Comparison of different
absorption corrections on the model structure of tetrakis(\m~2~-acetato)-
diaqua-di-copper(II)", Acta Chimica Slovaca, vol. 9, no. 2, 2016, pp. 136 - 140.
Afterwards a spherical absorption correction was performed within STOE LANA.
;
_exptl_crystal_colour            'clear colourless'
_exptl_crystal_colour_lustre     clear
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.459
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             468
_exptl_crystal_size_max          0.21
_exptl_crystal_size_mid          0.2
_exptl_crystal_size_min          0.12
_refine_diff_density_max         1.702
_refine_diff_density_min         -0.711
_refine_diff_density_rms         0.148
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.047
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     254
_refine_ls_number_reflns         3862
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.047
_refine_ls_R_factor_all          0.0664
_refine_ls_R_factor_gt           0.0541
_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^)+(0.1117P)^2^+0.1001P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1413
_refine_ls_wR_factor_ref         0.1529
_reflns_Friedel_coverage         0.000
_reflns_number_gt                3196
_reflns_number_total             3862
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d4cc00254g2.cif
_cod_data_source_block           10c
_cod_depositor_comments
'Adding full bibliography for 7132681--7132686.cif.'
_cod_database_code               7132684
_shelx_shelxl_version_number     2017/1
_shelx_estimated_absorpt_t_max   0.674
_shelx_estimated_absorpt_t_min   0.522
_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 Secondary CH2 refined with riding coordinates:
 C1(H1A,H1B), C4(H4A,H4B), C5(H5A,H5B)
2.b Aromatic/amide H refined with riding coordinates:
 C8(H8), C9(H9), C10(H10), C11(H11), C12(H12), C14(H14), C15(H15), C16(H16),
 C17(H17), C18(H18), C20(H20), C21(H21), C22(H22), C23(H23), C24(H24)
2.c Idealised Me refined as rotating group:
 C3(H3A,H3B,H3C)
;
_shelx_res_checksum              30436
_shelx_hkl_checksum              46464
_olex2_submission_special_instructions 'No special instructions were received'