Visualization of a Discrete Solid-State Process with Steady-State X-ray Diffraction: Observation of Hopping of Sulfur Atoms in Single Crystals of Realgar
Panče Naumov; Petre Makreski; Gjorgji Petruševski; Tomče Runčevski; Gligor Jovanovski; Journal of the American Chemical Society 132 (2010) 11398–11401; doi:10.1021/ja1030672

data_4102881
_publ_section_title
;
 Visualization of a Discrete Solid-State Process with Steady-State X-ray
 Diffraction: Observation of Hopping of Sulfur Atoms in Single Crystals of
 Realgar
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              11398
_journal_page_last               11401
_journal_paper_doi               10.1021/ja1030672
_journal_volume                  132
_journal_year                    2010
_chemical_formula_sum            'As4 S4'
_chemical_formula_weight         427.92
_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                 106.4270(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   9.3226(2)
_cell_length_b                   13.5496(2)
_cell_length_c                   6.57940(10)
_cell_measurement_temperature    293(2)
_cell_volume                     797.17(2)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_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  0.2797
_diffrn_reflns_av_sigmaI/netI    0.1503
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       8
_diffrn_reflns_limit_l_min       -8
_diffrn_reflns_number            6370
_diffrn_reflns_theta_full        27.45
_diffrn_reflns_theta_max         27.45
_diffrn_reflns_theta_min         2.73
_exptl_absorpt_coefficient_mu    17.566
_exptl_absorpt_correction_T_max  0.4737
_exptl_absorpt_correction_T_min  0.0838
_exptl_crystal_density_diffrn    3.566
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             784
_exptl_crystal_size_max          0.28
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.05
_refine_diff_density_max         2.384
_refine_diff_density_min         -4.323
_refine_diff_density_rms         0.708
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.082
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     73
_refine_ls_number_reflns         1823
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.082
_refine_ls_R_factor_all          0.0940
_refine_ls_R_factor_gt           0.0911
_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^)+(0.1579P)^2^+1.5203P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2277
_refine_ls_wR_factor_ref         0.2318
_reflns_number_gt                1730
_reflns_number_total             1823
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja1030672_control-17.cif
_cod_data_source_block           new
_cod_database_code               4102881