Cyclic Arsenic-Nitrogen Cations
Axel Schulz; Alexander Villinger; Inorganic Chemistry 48 (2009) 7359–7367; doi:10.1021/ic900821h

data_4302858
_publ_contact_author_address
;
Universit\"at Rostock
Institut f\"ur Chemie
Abteilung f\"ur Anorganische Chemie
Albert-Einstein-Strasse 3a 
18059 Rostock
Bundesrepublik Deutschland
;
_publ_contact_author_email       axel.schulz@uni-rostock.de
_publ_contact_author_fax         '+49 (0)381/498-6382'
_publ_contact_author_name        'Axel Schulz'
_publ_contact_author_phone       '+49 (0)381/498-6400'
_publ_section_title
;
Cyclic Arsenic-Nitrogen Cations
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              7359
_journal_page_last               7367
_journal_paper_doi               10.1021/ic900821h
_journal_volume                  48
_journal_year                    2009
_chemical_formula_moiety         'C48 H50 As2 Cl2 N2'
_chemical_formula_sum            'C48 H50 As2 Cl2 N2'
_chemical_formula_weight         875.64
_chemical_name_systematic
;
1,3-dichloro-2,4-bis[2,4-bis-(2,4,6-trimethylphenyl)phenyl]-cyclo-
1,3-diarsa-2,4-diazane
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_Int_Tables_number      2
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_author_name               'Villinger, A.'
_audit_creation_method           SHELXL-97
_cell_angle_alpha                79.40(3)
_cell_angle_beta                 86.56(3)
_cell_angle_gamma                82.36(3)
_cell_formula_units_Z            1
_cell_length_a                   8.6360(17)
_cell_length_b                   10.658(2)
_cell_length_c                   11.458(2)
_cell_measurement_reflns_used    5260
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      65.085
_cell_measurement_theta_min      4.826
_cell_volume                     1026.7(4)
_computing_cell_refinement       'Bruker Apex v2.0-2'
_computing_data_collection       'Bruker Apex v2.0-2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics
;
 ORTEP-3 (Farrugia, 1997), DIAMOND v3.0a (Brandenburg, 2005)
;
_computing_publication_material  SHELXL-97
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.984
_diffrn_measured_fraction_theta_max 0.984
_diffrn_measurement_device_type  'Bruker-Nonius Apex X8-CCD-diffractometer'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0304
_diffrn_reflns_av_sigmaI/netI    0.0400
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            29442
_diffrn_reflns_theta_full        32.84
_diffrn_reflns_theta_max         32.84
_diffrn_reflns_theta_min         2.38
_exptl_absorpt_coefficient_mu    1.794
_exptl_absorpt_correction_T_max  0.9157
_exptl_absorpt_correction_T_min  0.6727
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Sheldrick, 2004)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.416
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             452
_exptl_crystal_size_max          0.24
_exptl_crystal_size_mid          0.08
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.478
_refine_diff_density_min         -0.295
_refine_diff_density_rms         0.072
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.038
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     250
_refine_ls_number_reflns         7529
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.038
_refine_ls_R_factor_all          0.0484
_refine_ls_R_factor_gt           0.0331
_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^)+(0.0296P)^2^+0.3491P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0685
_refine_ls_wR_factor_ref         0.0734
_reflns_number_gt                6134
_reflns_number_total             7529
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic900821h_si_002_03.cif
_cod_data_source_block           tern2as2cl2
_cod_original_cell_volume        1026.7(3)
_cod_database_code               4302858