A novel route to C-unsubstituted 1,2-oxaphosphetane and 1,2-oxaphospholane complexes.
Kyri, A. W.; Schnakenburg, G.; Streubel, R.; Chemical communications (Cambridge, England) 52 (2016) 8593–8595; doi:10.1039/c6cc04667c

data_7124798
_publ_section_title
;
 A novel route to C-unsubstituted 1,2-oxaphosphetane and
 1,2-oxaphospholane complexes.
;
_journal_issue                   55
_journal_name_full
'Chemical communications (Cambridge, England)'
_journal_page_first              8593
_journal_page_last               8595
_journal_paper_doi               10.1039/c6cc04667c
_journal_volume                  52
_journal_year                    2016
_chemical_absolute_configuration ad
_chemical_formula_moiety         'C15 H25 O6 P Si2 W'
_chemical_formula_sum            'C15 H25 O6 P Si2 W'
_chemical_formula_weight         572.35
_chemical_name_systematic        AKY-554
_space_group_crystal_system      orthorhombic
_space_group_IT_number           19
_space_group_name_Hall           'P 2ac 2ab'
_space_group_name_H-M_alt        'P 21 21 21'
_atom_sites_solution_hydrogens   geom
_audit_creation_date             2016-05-11
_audit_creation_method
;
Olex2 1.2
(compiled 2015.09.21 svn.r3230 for OlexSys, GUI svn.r5103)
;
_audit_update_record
;
2016-06-01 deposited with the CCDC.
2016-06-10 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   9.2343(4)
_cell_length_b                   10.3502(4)
_cell_length_c                   23.1652(11)
_cell_measurement_reflns_used    6576
_cell_measurement_temperature    123
_cell_measurement_theta_max      28.33
_cell_measurement_theta_min      2.64
_cell_volume                     2214.06(17)
_computing_cell_refinement       'SAINT v8.34A (Bruker, 2013)'
_computing_data_reduction        'SAINT v8.34A (Bruker, 2013)'
_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    'XS (Sheldrick, 2008)'
_diffrn_ambient_temperature      123
_diffrn_detector                 'Bruker Photon100 detector'
_diffrn_detector_area_resol_mean 7.9
_diffrn_detector_type            'CMOS area detector'
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device       'three-circle diffractometer'
_diffrn_measurement_device_type  'Bruker D8-Venture'
_diffrn_measurement_method       'fine slicing \w and \f scans'
_diffrn_radiation_monochromator  'mirror optics'
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0633
_diffrn_reflns_av_unetI/netI     0.0738
_diffrn_reflns_Laue_measured_fraction_full 0.998
_diffrn_reflns_Laue_measured_fraction_max 0.999
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -30
_diffrn_reflns_number            17907
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.999
_diffrn_reflns_theta_full        26.000
_diffrn_reflns_theta_max         27.997
_diffrn_reflns_theta_min         2.639
_diffrn_source                   'microfocus sealed X-ray tube'
_diffrn_source_type              'Incoatec I\ms'
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    5.422
_exptl_absorpt_correction_T_max  0.7459
_exptl_absorpt_correction_T_min  0.4738
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details
;
SADABS-2014/5 (Bruker,2014/5) was used for absorption correction.
wR2(int) was 0.0962 before and 0.0663 after correction.
The Ratio of minimum to maximum transmission is 0.6352.
The \l/2 correction factor is 0.00150.
;
_exptl_crystal_colour            'clear light yellow'
_exptl_crystal_colour_lustre     clear
_exptl_crystal_colour_modifier   light
_exptl_crystal_colour_primary    yellow
_exptl_crystal_density_diffrn    1.717
_exptl_crystal_description       plate
_exptl_crystal_F_000             1120
_exptl_crystal_size_max          0.26
_exptl_crystal_size_mid          0.14
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.887
_refine_diff_density_min         -1.019
_refine_diff_density_rms         0.143
_refine_ls_abs_structure_details
;
 Refined as an inversion twin.
;
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.999
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     233
_refine_ls_number_reflns         5344
_refine_ls_number_restraints     18
_refine_ls_restrained_S_all      1.003
_refine_ls_R_factor_all          0.0535
_refine_ls_R_factor_gt           0.0367
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0129P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0549
_refine_ls_wR_factor_ref         0.0584
_reflns_Friedel_coverage         0.763
_reflns_Friedel_fraction_full    1.000
_reflns_Friedel_fraction_max     1.000
_reflns_number_gt                4514
_reflns_number_total             5344
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c6cc04667c2.cif
_cod_data_source_block           mo_4626f
_cod_database_code               7124798
_shelx_estimated_absorpt_t_max   0.773
_shelx_estimated_absorpt_t_min   0.333
_olex2_refinement_description
;
1. Twinned data refinement
 Scales: 0.497(10) 0.503(10)
2. 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
3. Uiso/Uaniso restraints and constraints
Uanis(C2) \\sim Ueq, Uanis(C1) \\sim Ueq, Uanis(C10) \\sim Ueq: with sigma of
0.005 and sigma for terminal atoms of 0.01
4.a Ternary CH refined with riding coordinates:
 C4(H4)
4.b Secondary CH2 refined with riding coordinates:
 C1(H1A,H1B), C2(H2A,H2B), C3(H3A,H3B)
4.c Idealised Me refined as rotating group:
 C5(H5A,H5B,H5C), C6(H6A,H6B,H6C), C7(H7A,H7B,H7C), C8(H8A,H8B,H8C), C9(H9A,
 H9B,H9C), C10(H10A,H10B,H10C)
;
_shelx_res_checksum              88867
_shelx_shelxl_version_number     2014/7
_olex2_submission_special_instructions 'No special instructions were received'