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_4307674
_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            'C37 H56 Cl2 N3 P'
_chemical_formula_weight         644.72
_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                 98.55(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   9.3103(19)
_cell_length_b                   18.450(4)
_cell_length_c                   20.787(4)
_cell_measurement_temperature    150(2)
_cell_volume                     3531.0(13)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_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  0.0390
_diffrn_reflns_av_sigmaI/netI    0.0606
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       22
_diffrn_reflns_limit_k_min       -22
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            13106
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         26.00
_diffrn_reflns_theta_min         2.96
_exptl_absorpt_coefficient_mu    0.259
_exptl_absorpt_correction_T_max  0.938
_exptl_absorpt_correction_T_min  0.880
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Sortav (Blessing, 1995)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.213
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1392
_exptl_crystal_size_max          0.50
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.25
_refine_diff_density_max         0.798
_refine_diff_density_min         -0.375
_refine_diff_density_rms         0.062
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.045
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     396
_refine_ls_number_reflns         6930
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.045
_refine_ls_R_factor_all          0.0820
_refine_ls_R_factor_gt           0.0560
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0759P)^2^+2.2110P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1430
_refine_ls_wR_factor_ref         0.1583
_reflns_number_gt                5100
_reflns_number_total             6930
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic062163fsi20061114_083022.cif
_cod_data_source_block           compound1
_cod_original_cell_volume        3530.9(12)
_cod_database_code               4307674