N-Heterocyclic Carbene-Stabilised Arsinidene (AsH)
Doddi, Adinarayana; Weinhart, Michael; Hinz, Alexander; Bockfeld, Dirk; Goicoechea, Jose M.; Scheer, Manfred; Tamm, Matthias; Chem. Commun.  (2017) –; doi:10.1039/C7CC02628E

data_7120012
_publ_section_title
;
 N-Heterocyclic Carbene-Stabilised Arsinidene (AsH)
;
_journal_name_full               'Chem. Commun.'
_journal_paper_doi               10.1039/C7CC02628E
_journal_year                    2017
_chemical_formula_moiety         'C24 H33 As N2 Si'
_chemical_formula_sum            'C24 H33 As N2 Si'
_chemical_formula_weight         452.53
_chemical_properties_physical
', Air-sensitive,Moisture-sensitive,Oxygen-sensitive,Light-sensitive'
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2016/4
_audit_update_record
;
2017-02-24 deposited with the CCDC.
2017-04-25 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 95.759(2)
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   19.0082(3)
_cell_length_b                   9.1958(2)
_cell_length_c                   28.5266(5)
_cell_measurement_reflns_used    22171
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      75.3630
_cell_measurement_theta_min      4.6610
_cell_volume                     4961.16(16)
_computing_cell_refinement       'CrysAlisPro 1.171.38.43 (Rigaku OD, 2015)'
_computing_data_collection       'CrysAlisPro 1.171.38.43 (Rigaku OD, 2015)'
_computing_data_reduction        'CrysAlisPro 1.171.38.43 (Rigaku OD, 2015)'
_computing_publication_material
;
 WinGX v2014.1 (L. J. Farrugia, J. Appl. Cryst., 2012, 45, 849-854.)
;
_computing_structure_refinement
;
 SHELXL-2016 (G. M. Sheldrick, Acta Cryst. (2008), A64, 112-122)'
;
_computing_structure_solution
;
 SHELXS-2016 (G. M. Sheldrick, Acta Cryst., 2008, A64, 112--122)
;
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 10.3543
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.993
_diffrn_measurement_device_type  'Oxford Diffraction Xcalibur, Atlas, Nova'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  mirror
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54184
_diffrn_reflns_av_R_equivalents  0.0368
_diffrn_reflns_av_unetI/netI     0.0250
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.993
_diffrn_reflns_limit_h_max       23
_diffrn_reflns_limit_h_min       -21
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       35
_diffrn_reflns_limit_l_min       -35
_diffrn_reflns_number            51994
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.993
_diffrn_reflns_theta_full        67.684
_diffrn_reflns_theta_max         76.128
_diffrn_reflns_theta_min         3.114
_diffrn_source                   'micro-focus sealed X-ray tube'
_diffrn_source_type              'Nova (Cu) X-ray Source'
_exptl_absorpt_coefficient_mu    2.384
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.75644
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.38.43 (Rigaku Oxford Diffraction, 2015)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.212
_exptl_crystal_description       irregular
_exptl_crystal_F_000             1904
_exptl_crystal_size_max          0.220
_exptl_crystal_size_mid          0.150
_exptl_crystal_size_min          0.100
_refine_diff_density_max         0.484
_refine_diff_density_min         -0.700
_refine_diff_density_rms         0.054
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.024
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     523
_refine_ls_number_reflns         10317
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.024
_refine_ls_R_factor_all          0.0409
_refine_ls_R_factor_gt           0.0359
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0467P)^2^+3.1585P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0917
_refine_ls_wR_factor_ref         0.0956
_reflns_Friedel_coverage         0.000
_reflns_number_gt                9212
_reflns_number_total             10317
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c7cc02628e2.cif
_cod_data_source_block           ad010db
_cod_database_code               7120012
_shelx_shelxl_version_number     2016/4
_shelx_estimated_absorpt_t_min   0.622
_shelx_estimated_absorpt_t_max   0.796
_shelx_res_checksum              98374
_shelx_hkl_checksum              90325