Triple-Bond Reactivity of an AsP Complex Intermediate: Synthesis Stemming from Molecular Arsenic, As4
Heather A. Spinney; Nicholas A. Piro; Christopher C. Cummins; Journal of the American Chemical Society 131 (2009) 16233–16243; doi:10.1021/ja906550h

data_4105311
_publ_section_title
;
 Triple-Bond Reactivity of an AsP Complex Intermediate: Synthesis Stemming
 from Molecular Arsenic, As4
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              16233
_journal_page_last               16243
_journal_paper_doi               10.1021/ja906550h
_journal_volume                  131
_journal_year                    2009
_chemical_formula_sum            'C63 H112 As N3 Na Nb O10'
_chemical_formula_weight         1262.38
_chemical_name_common            'niobium arsenide anion'
_chemical_name_systematic
;
 ?
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_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                 95.353(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   13.998(3)
_cell_length_b                   25.218(5)
_cell_length_c                   19.476(4)
_cell_measurement_reflns_used    9918
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      25.49
_cell_measurement_theta_min      2.36
_cell_volume                     6845(2)
_computing_cell_refinement       'SAINT 7 (Bruker-AXS, 2005)'
_computing_data_collection       'SMART 5 (Bruker-AXS, 2003)'
_computing_data_reduction        'SAINT 7 (Bruker-AXS, 2005)'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 8.3
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Bruker Smart APEX CCD'
_diffrn_measurement_method       'omega and phi scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.1037
_diffrn_reflns_av_sigmaI/netI    0.0531
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       31
_diffrn_reflns_limit_k_min       -31
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            140991
_diffrn_reflns_theta_full        26.02
_diffrn_reflns_theta_max         26.02
_diffrn_reflns_theta_min         1.62
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.716
_exptl_absorpt_correction_T_max  0.9651
_exptl_absorpt_correction_T_min  0.8414
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Sheldrick, 2005)'
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.225
_exptl_crystal_description       plate
_exptl_crystal_F_000             2704
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.651
_refine_diff_density_min         -0.457
_refine_diff_density_rms         0.073
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.029
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     949
_refine_ls_number_reflns         13486
_refine_ls_number_restraints     1377
_refine_ls_restrained_S_all      1.024
_refine_ls_R_factor_all          0.0743
_refine_ls_R_factor_gt           0.0414
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0429P)^2^+7.0534P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0908
_refine_ls_wR_factor_ref         0.1055
_reflns_number_gt                9736
_reflns_number_total             13486
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja906550h_si_001_5.cif
_cod_data_source_block           07124
_cod_database_code               4105311