Geminally Substituted Tris(acenaphthyl) and Bis(acenaphthyl) Arsines, Stibines, and Bismuthine: A Structural and Nuclear Magnetic Resonance Investigation.
Chalmers, Brian A.; Meigh, Christina B. E.; Nejman, Phillip S.; Bühl, Michael; Lébl, Tomáš; Woollins, J. Derek; Slawin, Alexandra M. Z.; Kilian, Petr; Inorganic chemistry 55 (2016) 7117–7125; doi:10.1021/acs.inorgchem.6b01079

data_4348226
_publ_section_title
;
 Geminally Substituted Tris(acenaphthyl) and Bis(acenaphthyl) Arsines,
 Stibines, and Bismuthine: A Structural and Nuclear Magnetic Resonance
 Investigation.
;
_journal_issue                   14
_journal_name_full               'Inorganic chemistry'
_journal_page_first              7117
_journal_page_last               7125
_journal_paper_doi               10.1021/acs.inorgchem.6b01079
_journal_volume                  55
_journal_year                    2016
_chemical_formula_moiety         'C54 H66 As P3'
_chemical_formula_sum            'C54 H66 As P3'
_chemical_formula_weight         882.96
_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
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_date             2015-09-22
_audit_creation_method           'by CrystalStructure 4.1'
_cell_angle_alpha                90.654(2)
_cell_angle_beta                 100.864(4)
_cell_angle_gamma                111.008(4)
_cell_formula_units_Z            2
_cell_length_a                   10.184(2)
_cell_length_b                   11.385(2)
_cell_length_c                   21.809(4)
_cell_measurement_reflns_used    3574
_cell_measurement_temperature    93
_cell_measurement_theta_max      25.35
_cell_measurement_theta_min      2.19
_cell_volume                     2309.6(7)
_computing_cell_refinement       'CrystalClear-SM Expert 2.1 b29'
_computing_data_collection       'CrystalClear-SM Expert 2.1 b29 (Rigaku, 2013)'
_computing_data_reduction        'CrystalClear-SM Expert 2.1 b29'
_computing_molecular_graphics    'CrystalStructure 4.1'
_computing_publication_material  'CrystalStructure 4.1 (Rigaku, 2014)'
_computing_structure_refinement  'SHELXL2013 (Sheldrick, 2008)'
_computing_structure_solution    'DIRDIF99-PATTY (Gould, et al., 1999)'
_diffrn_ambient_temperature      93
_diffrn_detector_area_resol_mean 5.811
_diffrn_measured_fraction_theta_full 0.989
_diffrn_measured_fraction_theta_max 0.988
_diffrn_measurement_device_type  'Rigaku XtaLAB P100'
_diffrn_measurement_method       \w
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71075
_diffrn_reflns_av_R_equivalents  0.0590
_diffrn_reflns_Laue_measured_fraction_full 0.989
_diffrn_reflns_Laue_measured_fraction_max 0.988
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -26
_diffrn_reflns_number            31645
_diffrn_reflns_point_group_measured_fraction_full 0.989
_diffrn_reflns_point_group_measured_fraction_max 0.988
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         25.382
_diffrn_reflns_theta_min         2.072
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.876
_exptl_absorpt_correction_T_max  0.966
_exptl_absorpt_correction_T_min  0.738
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'REQAB (Rigaku, 1998)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.270
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             936.00
_exptl_crystal_size_max          0.100
_exptl_crystal_size_mid          0.100
_exptl_crystal_size_min          0.040
_refine_diff_density_max         0.70
_refine_diff_density_min         -0.38
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.028
_refine_ls_hydrogen_treatment    constr
_refine_ls_number_parameters     535
_refine_ls_number_reflns         8391
_refine_ls_number_restraints     0
_refine_ls_R_factor_all          0.0543
_refine_ls_R_factor_gt           0.0387
_refine_ls_shift/su_max          0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w = 1/[\s^2^(Fo^2^)+(0.0582P)^2^+0.3958P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0947
_refine_ls_wR_factor_ref         0.1029
_reflns_number_gt                6819
_reflns_number_total             8391
_reflns_threshold_expression     F^2^>2.0\s(F^2^)
_cod_data_source_file            ic6b01079_si_002.cif
_cod_data_source_block           2
_cod_original_cell_volume        2309.6(8)
_cod_database_code               4348226
_shelx_res_checksum              6443
_shelx_hkl_checksum              32098