Hydrogen peroxide adducts of triarylphosphine oxides.
Arp, Fabian F.; Bhuvanesh, Nattamai; Blümel, Janet; Dalton transactions (Cambridge, England : 2003) 48 (2019) 14312–14325; doi:10.1039/c9dt03070k

data_7701781
_publ_section_title
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 Hydrogen peroxide adducts of triarylphosphine oxides.
;
_journal_issue                   38
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              14312
_journal_page_last               14325
_journal_paper_doi               10.1039/c9dt03070k
_journal_volume                  48
_journal_year                    2019
_chemical_formula_moiety         'C20 H19 O P, 0.75(H2 O)'
_chemical_formula_sum            'C20 H20.5 O1.75 P'
_chemical_formula_weight         319.83
_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   mixed
_atom_sites_solution_primary     dual
_audit_creation_date             2019-03-22
_audit_creation_method
;
Olex2 1.2
(compiled 2018.05.29 svn.r3508 for OlexSys, GUI svn.r5506)
;
_audit_update_record
;
2019-06-17 deposited with the CCDC.	2019-08-27 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 98.131(2)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   8.7455(6)
_cell_length_b                   15.6756(10)
_cell_length_c                   12.2448(9)
_cell_measurement_reflns_used    9913
_cell_measurement_temperature    110(2)
_cell_measurement_theta_max      27.483
_cell_measurement_theta_min      2.988
_cell_volume                     1661.8(2)
_computing_cell_refinement       'SAINT V8.38A (Bruker AXS, 2016)'
_computing_data_reduction        'SAINT V8.38A (Bruker AXS, 2016)'
_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 (Sheldrick, 2015)'
_diffrn_ambient_temperature      110.0
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Bruker PHOTON-II'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0464
_diffrn_reflns_av_unetI/netI     0.0349
_diffrn_reflns_Laue_measured_fraction_full 0.997
_diffrn_reflns_Laue_measured_fraction_max 0.997
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            13684
_diffrn_reflns_point_group_measured_fraction_full 0.997
_diffrn_reflns_point_group_measured_fraction_max 0.997
_diffrn_reflns_theta_full        24.998
_diffrn_reflns_theta_max         24.998
_diffrn_reflns_theta_min         2.688
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.171
_exptl_absorpt_correction_T_max  0.7456
_exptl_absorpt_correction_T_min  0.6127
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'SADABS-2016/2 (Bruker,2016/2) was used for absorption correction. wR2(int) was 0.1382 before and 0.0691 after correction. The Ratio of minimum to maximum transmission is 0.8218. The \l/2 correction factor is Not present.'
_exptl_crystal_colour            colourless
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.278
_exptl_crystal_description       block
_exptl_crystal_F_000             678
_exptl_crystal_size_max          0.438
_exptl_crystal_size_mid          0.216
_exptl_crystal_size_min          0.198
_refine_diff_density_max         0.378
_refine_diff_density_min         -0.396
_refine_diff_density_rms         0.060
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.167
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     213
_refine_ls_number_reflns         2925
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.167
_refine_ls_R_factor_all          0.0650
_refine_ls_R_factor_gt           0.0489
_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^)+(0.0169P)^2^+2.1904P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0998
_refine_ls_wR_factor_ref         0.1151
_reflns_Friedel_coverage         0.000
_reflns_number_gt                2354
_reflns_number_total             2925
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c9dt03070k2.cif
_cod_data_source_block           fe363
_cod_original_formula_sum        'C20 H20.50 O1.75 P'
_cod_database_code               7701781
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_max   0.967
_shelx_estimated_absorpt_t_min   0.929
_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, All O(H,H) groups
2. Others
 Fixed Sof: O1W(0.75) H1WA(0.75) H1WB(0.75)
3.a Free rotating group:
 O1W(H1WA,H1WB)
3.b Aromatic/amide H refined with riding coordinates:
 C3(H3), C4(H4), C5(H5), C6(H6), C10(H10), C11(H11), C12(H12), C13(H13),
 C16(H16), C17(H17), C18(H18), C19(H19), C20(H20)
3.c Idealised Me refined as rotating group:
 C7(H7A,H7B,H7C), C14(H14A,H14B,H14C)
;
_shelx_res_checksum              62174
_olex2_submission_special_instructions 'No special instructions were received'