1,4-Dihydro-1,4-diarsinine: Facile Synthesis via Nonvolatile Arsenic Intermediates by Radical Reactions
Nakahashi, Akiko; Naka, Kensuke; Chujo, Yoshiki; Organometallics 26 (2007) 1827–; doi:10.1021/om070080g

data_4073118
_publ_section_title
;
 1,4-Dihydro-1,4-diarsinine:&#x00A0; Facile Synthesis via Nonvolatile
 Arsenic Intermediates by Radical Reactions
;
_journal_issue                   7
_journal_name_full               Organometallics
_journal_page_first              1827
_journal_paper_doi               10.1021/om070080g
_journal_volume                  26
_journal_year                    2007
_chemical_formula_moiety         'C16 H16 As2 N2 '
_chemical_formula_sum            'C16 H16 As2 N2'
_chemical_formula_weight         386.16
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      14
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_cell_angle_alpha                90.0000
_cell_angle_beta                 100.626(8)
_cell_angle_gamma                90.0000
_cell_formula_units_Z            4
_cell_length_a                   10.0732(16)
_cell_length_b                   9.013(2)
_cell_length_c                   17.420(3)
_cell_measurement_reflns_used    15770
_cell_measurement_temperature    123.1
_cell_measurement_theta_max      27.5
_cell_measurement_theta_min      3.1
_cell_volume                     1554.4(5)
_computing_cell_refinement       PROCESS-AUTO
_computing_data_collection       PROCESS-AUTO
_computing_data_reduction        CrystalStructure
_computing_publication_material  'CrystalStructure 3.7.0'
_computing_structure_refinement  SHELXL
_computing_structure_solution    SIR92
_diffrn_detector_area_resol_mean 10.00
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device_type  'Rigaku RAXIS-RAPID'
_diffrn_measurement_method       \w
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71075
_diffrn_reflns_av_R_equivalents  0.072
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            13778
_diffrn_reflns_theta_full        27.48
_diffrn_reflns_theta_max         27.48
_exptl_absorpt_coefficient_mu    4.292
_exptl_absorpt_correction_T_max  0.276
_exptl_absorpt_correction_T_min  0.089
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
    Higashi, T. (1995). Program for Absorption Correction.
    Rigaku Corporation, Tokyo, Japan.
;
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.650
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             768.00
_exptl_crystal_size_max          0.60
_exptl_crystal_size_mid          0.50
_exptl_crystal_size_min          0.30
_refine_diff_density_max         1.05
_refine_diff_density_min         -0.60
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.000
_refine_ls_hydrogen_treatment    refall
_refine_ls_number_parameters     182
_refine_ls_number_reflns         3553
_refine_ls_R_factor_gt           0.0363
_refine_ls_shift/su_max          0.0010
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w = 1/[\s^2^(Fo^2^)+(0.0084P)^2^+7.9000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_ref         0.0893
_reflns_number_gt                3261
_reflns_number_total             3553
_reflns_threshold_expression     F^2^>2.0\s(F^2^)
_cod_data_source_file            om070080gsi20070126_101354.cif
_cod_data_source_block           '_AsMe-4pyr3_______________'
_cod_original_cell_volume        1554.5(5)
_cod_original_formula_sum        'C16 H16 As2 N2 '
_cod_database_code               4073118