Sterically Congested 5-Diphenylphosphinoacenaphth-6-yl-silanes and -silanols
Hupf, Emanuel; Lork, Enno; Mebs, Stefan; Beckmann, Jens; Organometallics 34 (2015) 3873–; doi:10.1021/acs.organomet.5b00489

data_4086128
_publ_section_title
;
 Sterically Congested 5-Diphenylphosphinoacenaphth-6-yl-silanes and
 -silanols
;
_journal_issue                   15
_journal_name_full               Organometallics
_journal_page_first              3873
_journal_paper_doi               10.1021/acs.organomet.5b00489
_journal_volume                  34
_journal_year                    2015
_chemical_formula_sum            'C26 H25 P Se Si'
_chemical_formula_weight         475.48
_space_group_IT_number           61
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2ac 2ab'
_symmetry_space_group_name_H-M   'P b c a'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   14.664(2)
_cell_length_b                   16.986(4)
_cell_length_c                   18.343(3)
_cell_measurement_reflns_used    34
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      25.119
_cell_measurement_theta_min      8.883
_cell_volume                     4568.9(15)
_computing_cell_refinement       'Siemens XSCANS'
_computing_data_collection       'Siemens XSCANS'
_computing_data_reduction        'Siemens XSCANS'
_computing_molecular_graphics    Diamond
_computing_publication_material  WinGX
_computing_structure_refinement  'ShelXL (Sheldrick, 2008)'
_computing_structure_solution    'ShelXS (Sheldrick, 2008)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Siemens P4'
_diffrn_measurement_method       '2\q/\w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0000
_diffrn_reflns_av_sigmaI/netI    0.0611
_diffrn_reflns_limit_h_max       19
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -22
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            11844
_diffrn_reflns_theta_full        27.50
_diffrn_reflns_theta_max         27.50
_diffrn_reflns_theta_min         2.62
_diffrn_standards_interval_count 197
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    1.776
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.3664
_exptl_absorpt_correction_type   refdelf
_exptl_absorpt_process_details
'Walker, N. & Stuart, D (1983) Acta. Cryst. A39, 158-166'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.382
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1952
_exptl_crystal_size_max          1.0
_exptl_crystal_size_mid          0.9
_exptl_crystal_size_min          0.8
_refine_diff_density_max         0.627
_refine_diff_density_min         -0.587
_refine_diff_density_rms         0.099
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.998
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     268
_refine_ls_number_reflns         5232
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.998
_refine_ls_R_factor_all          0.0759
_refine_ls_R_factor_gt           0.0485
_refine_ls_shift/su_max          0.026
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0790P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1237
_refine_ls_wR_factor_ref         0.1357
_reflns_number_gt                3648
_reflns_number_total             5232
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om5b00489_si_002.cif
_cod_data_source_block           1Se
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Orthorhombic' changed to
'orthorhombic' according to
/usr/data/users/saulius/crontab/automatic-downloads/rss-feeds/ACS/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 3271 2015-04-21 07:52:19Z andrius 

 Adding full bibliography for 4086126--4086131.cif.
;
_cod_original_sg_symbol_H-M      Pbca
_cod_database_code               4086128