As2O3Polymorphs: Theoretical Insight into Their Stability and Ammonia Templated Claudetite II Crystallization
Guńka, Piotr A.; Dranka, Maciej; Piechota, Jacek; Żukowska, Grażyna Z.; Zalewska, Aldona; Zachara, Janusz; Crystal Growth & Design 12 (2012) 5663–; doi:10.1021/cg3011579

data_4506959
_publ_section_title
;
 As2O3Polymorphs: Theoretical Insight into Their Stability and Ammonia
 Templated Claudetite II Crystallization
;
_journal_issue                   11
_journal_name_full               'Crystal Growth &amp; Design'
_journal_page_first              5663
_journal_paper_doi               10.1021/cg3011579
_journal_volume                  12
_journal_year                    2012
_chemical_formula_moiety         'As2 O3'
_chemical_formula_sum            'As2 O3'
_chemical_formula_weight         197.84
_chemical_name_common            'claudetite II'
_chemical_name_systematic        'arsenic(III) oxide'
_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_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_date             2012-06-19
_audit_creation_method
;
  Olex2 1.2-beta
  (compiled 2012.05.09 svn.r2324, GUI svn.r4230)
;
_cell_angle_alpha                90.00
_cell_angle_beta                 101.639(6)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   8.0013(4)
_cell_length_b                   4.5675(2)
_cell_length_c                   9.0794(6)
_cell_measurement_reflns_used    1541
_cell_measurement_temperature    100.0(3)
_cell_measurement_theta_max      32.6729
_cell_measurement_theta_min      3.7889
_cell_volume                     324.99(3)
_computing_cell_refinement
;
CrysAlisPro, Agilent Technologies,
Version 1.171.35.21 (release 20-01-2012 CrysAlis171 .NET)
(compiled Jan 23 2012,18:06:46)
;
_computing_data_collection
;
CrysAlisPro, Agilent Technologies,
Version 1.171.35.21 (release 20-01-2012 CrysAlis171 .NET)
(compiled Jan 23 2012,18:06:46)
;
_computing_data_reduction
;
CrysAlisPro, Agilent Technologies,
Version 1.171.35.21 (release 20-01-2012 CrysAlis171 .NET)
(compiled Jan 23 2012,18:06:46)
;
_computing_molecular_graphics
;
O. V. Dolomanov, L. J. Bourhis, R. J. Gildea, J. A. K. Howard and H. Puschmann,
OLEX2: a complete structure solution, refinement and analysis program.
J. Appl. Cryst. (2009). 42, 339-341.
;
_computing_publication_material
;
O. V. Dolomanov, L. J. Bourhis, R. J. Gildea, J. A. K. Howard and H. Puschmann,
OLEX2: a complete structure solution, refinement and analysis program.
J. Appl. Cryst. (2009). 42, 339-341.
;
_computing_structure_refinement
;
SHELXL, G.M. Sheldrick, Acta Cryst.
(2008). A64, 112-122
;
_computing_structure_solution
;
SHELXS, G.M. Sheldrick, Acta Cryst.
(2008). A64, 112-122
;
_diffrn_ambient_temperature      100.0(3)
_diffrn_detector_area_resol_mean 10.3347
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_details
;
  1 omega  -63.00   69.00   1.0000   13.0000
omega____ theta____ kappa____ phi______ frames
    -      -19.9035    0.0000   60.0000 132

  2 omega   65.00  104.00   1.0000   13.0000
omega____ theta____ kappa____ phi______ frames
    -       20.0597  179.0000 -120.0000 39

  3 omega   75.00  106.00   1.0000   13.0000
omega____ theta____ kappa____ phi______ frames
    -       20.0597  179.0000  150.0000 31

  4 omega  -99.00   14.00   1.0000   13.0000
omega____ theta____ kappa____ phi______ frames
    -      -19.9035  -77.0000   30.0000 113

  5 omega   -4.00   40.00   1.0000   13.0000
omega____ theta____ kappa____ phi______ frames
    -       20.0597  -99.0000 -120.0000 44
;
_diffrn_measurement_device_type  'Xcalibur, Atlas, Gemini ultra'
_diffrn_measurement_method       '\w scans'
_diffrn_orient_matrix_UB_11      0.0720545000
_diffrn_orient_matrix_UB_12      -0.0823177000
_diffrn_orient_matrix_UB_13      0.0355612000
_diffrn_orient_matrix_UB_21      -0.0113867000
_diffrn_orient_matrix_UB_22      -0.0958642000
_diffrn_orient_matrix_UB_23      -0.0627373000
_diffrn_orient_matrix_UB_31      0.0534939000
_diffrn_orient_matrix_UB_32      0.0903404000
_diffrn_orient_matrix_UB_33      -0.0341127000
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0401
_diffrn_reflns_av_unetI/netI     0.0415
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       6
_diffrn_reflns_limit_k_min       -6
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            2998
_diffrn_reflns_theta_full        30.00
_diffrn_reflns_theta_max         30.00
_diffrn_reflns_theta_min         3.80
_diffrn_source                   'Enhance (Mo) X-ray Source'
_exptl_absorpt_coefficient_mu    20.354
_exptl_absorpt_correction_T_max  0.408
_exptl_absorpt_correction_T_min  0.058
_exptl_absorpt_correction_type   analytical
_exptl_absorpt_process_details
;
CrysAlisPro, Agilent Technologies,
Version 1.171.35.21 (release 20-01-2012 CrysAlis171 .NET)
(compiled Jan 23 2012,18:06:46)
Analytical numeric absorption correction using a multifaceted crystal
            model based on expressions derived by R.C. Clark & J.S. Reid.
(Clark, R. C. & Reid, J. S. (1995). Acta Cryst. A51, 887-897)
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    4.043
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             360
_exptl_crystal_size_max          0.2524
_exptl_crystal_size_mid          0.1892
_exptl_crystal_size_min          0.0453
_refine_diff_density_max         1.109
_refine_diff_density_min         -0.750
_refine_diff_density_rms         0.219
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.080
_refine_ls_matrix_type           full
_refine_ls_number_parameters     46
_refine_ls_number_reflns         949
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.080
_refine_ls_R_factor_all          0.0318
_refine_ls_R_factor_gt           0.0266
_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^)+(0.0223P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0575
_refine_ls_wR_factor_ref         0.0601
_reflns_number_gt                849
_reflns_number_total             949
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            cg3011579_si_002.cif
_cod_data_source_block           claudii_100K
_cod_database_code               4506959