Base-Stabilized Amidodiarsenes: Synthesis, Structure, and Theoretical Studies
Shaun P. Green; Cameron Jones; Guoxia Jin; Andreas Stasch; Inorganic Chemistry 46 (2007) 8–10; doi:10.1021/ic062163f

data_4307675
_publ_section_title
;
Base-Stabilized Amidodiarsenes: Synthesis, Structure, and Theoretical
Studies
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              8
_journal_page_last               10
_journal_paper_doi               10.1021/ic062163f
_journal_volume                  46
_journal_year                    2007
_chemical_formula_sum            'C51 H72 As Cl2 N3'
_chemical_formula_weight         872.94
_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                 99.99(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   12.634(3)
_cell_length_b                   10.535(2)
_cell_length_c                   36.397(7)
_cell_measurement_temperature    150(2)
_cell_volume                     4771.0(18)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 0.955
_diffrn_measured_fraction_theta_max 0.955
_diffrn_measurement_device_type  'Nonius Kappa CCD'
_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  0.0831
_diffrn_reflns_av_sigmaI/netI    0.0625
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       43
_diffrn_reflns_limit_l_min       -43
_diffrn_reflns_number            20883
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         2.98
_exptl_absorpt_coefficient_mu    0.861
_exptl_absorpt_correction_T_max  0.813
_exptl_absorpt_correction_T_min  0.752
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Sortav (Blessing, 1995)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.215
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1864
_exptl_crystal_size_max          0.35
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.25
_refine_diff_density_max         0.655
_refine_diff_density_min         -0.514
_refine_diff_density_rms         0.061
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.035
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     524
_refine_ls_number_reflns         8035
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.035
_refine_ls_R_factor_all          0.0537
_refine_ls_R_factor_gt           0.0460
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0534P)^2^+3.2418P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1142
_refine_ls_wR_factor_ref         0.1192
_reflns_number_gt                7042
_reflns_number_total             8035
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic062163fsi20061114_083046.cif
_cod_data_source_block           compound2a
_cod_original_cell_volume        4771.0(16)
_cod_database_code               4307675