The open-chain triphosphanes RMe2SiCH2P(PR'2)2 (R = Me, Ph; R' = SiMe3, Cy, Ph).
Averre, Charlotte E.; Coles, Martyn P.; Crossley, Ian R.; Day, Iain J.; Dalton transactions (Cambridge, England : 2003) 41 (2012) 278–284; doi:10.1039/c1dt11499a

data_7017832
_publ_section_title
;
 The open-chain triphosphanes RMe2SiCH2P(PR'2)2 (R = Me, Ph; R' = SiMe3,
 Cy, Ph).
;
_journal_issue                   1
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              278
_journal_page_last               284
_journal_paper_doi               10.1039/c1dt11499a
_journal_volume                  41
_journal_year                    2012
_chemical_compound_source        'synthesis as described'
_chemical_formula_moiety         'C16 H47 P3 Si5'
_chemical_formula_sum            'C16 H47 P3 Si5'
_chemical_formula_weight         472.9
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_Int_Tables_number      2
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_conform_dict_location     ftp://ftp.iucr.org/pub/cif_core.dic
_audit_conform_dict_name         cif_core.dic
_audit_conform_dict_version      2.2
_audit_creation_date             2009-03-18T08:32:55-00:00
_audit_creation_method           'WinGX routine CIF_UPDATE'
_cell_angle_alpha                93.5640(10)
_cell_angle_beta                 90.3510(10)
_cell_angle_gamma                118.1830(10)
_cell_formula_units_Z            2
_cell_length_a                   10.3093(3)
_cell_length_b                   10.3617(2)
_cell_length_c                   15.8740(4)
_cell_measurement_reflns_used    17472
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      26.022
_cell_measurement_theta_min      3.395
_cell_measurement_wavelength     0.71073
_cell_volume                     1490.55(7)
_computing_cell_refinement       'HKL Scalepack (Otwinowski & Minor 1997)'
_computing_data_collection       'Collect (Nonius BV, 1997-2000)'
_computing_data_reduction
'HKL Denzo and Scalepack (Otwinowski & Minor 1997)'
_computing_molecular_graphics    'Ortep-3 for Windows (Farrugia, 1997)'
_computing_publication_material  'WinGX publication routines (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      173(2)
_diffrn_detector                 'CCD plate'
_diffrn_measured_fraction_theta_full 0.983
_diffrn_measured_fraction_theta_max 0.983
_diffrn_measurement_device       '95mm CCD camera on \k-goniostat'
_diffrn_measurement_device_type  KappaCCD
_diffrn_measurement_method       'CCD rotation images, thick slices'
_diffrn_orient_matrix_type       'by Nonius Collect from scalepack cell'
_diffrn_orient_matrix_UB_11      0.402189E-1
_diffrn_orient_matrix_UB_12      0.60718E-2
_diffrn_orient_matrix_UB_13      -0.576325E-1
_diffrn_orient_matrix_UB_21      0.102139
_diffrn_orient_matrix_UB_22      0.449154E-1
_diffrn_orient_matrix_UB_23      0.256969E-1
_diffrn_orient_matrix_UB_31      -0.89489E-2
_diffrn_orient_matrix_UB_32      -0.999976E-1
_diffrn_orient_matrix_UB_33      0.29244E-2
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.7107
_diffrn_reflns_av_R_equivalents  0.0351
_diffrn_reflns_av_unetI/netI     0.0254
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            22023
_diffrn_reflns_theta_full        26.02
_diffrn_reflns_theta_max         26.02
_diffrn_reflns_theta_min         3.48
_diffrn_source                   'Enraf Nonius FR590'
_exptl_absorpt_coefficient_mu    0.402
_exptl_absorpt_correction_T_max  0.9313
_exptl_absorpt_correction_T_min  0.8705
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
[c.f. r.h. blessing, acta cryst. (1995), a51, 33-38]
;
_exptl_crystal_colour            Colourless
_exptl_crystal_density_diffrn    1.054
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Prism
_exptl_crystal_F_000             516
_exptl_crystal_size_max          0.33
_exptl_crystal_size_mid          0.22
_exptl_crystal_size_min          0.2
_refine_diff_density_max         0.303
_refine_diff_density_min         -0.307
_refine_diff_density_rms         0.046
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.03
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     232
_refine_ls_number_reflns         5774
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.03
_refine_ls_R_factor_all          0.0306
_refine_ls_R_factor_gt           0.0273
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0346P)^2^+0.5731P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0711
_refine_ls_wR_factor_ref         0.0732
_reflns_number_gt                5328
_reflns_number_total             5774
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c1dt11499a.txt
_cod_data_source_block           mar209c
_cod_database_code               7017832