Struktur der hexagonalen Modifikation von Lanthan(III) trichlorid trihydrat
Reuter, Gert; Frenzen, Gerlinde; Acta Crystallographica Section C 50 (1994) 844–845; doi:10.1107/S0108270193012570

data_2009810
_publ_contact_author
;
Gert Reuter
FB 19 Anorganische Chemie
Univ. Gh Kassel
Heinrich-Plett-Str. 40
34109 Kassel
Germany
;
_publ_section_title
;
 Struktur der hexagonalen Modifikation von Lanthan(III) trichlorid
 trihydrat
;
_journal_issue                   6
_journal_name_full               'Acta Crystallographica Section C'
_journal_page_first              844
_journal_page_last               845
_journal_paper_doi               10.1107/S0108270193012570
_journal_volume                  50
_journal_year                    1994
_chemical_formula_sum            'Cl3 H6 La O3'
_chemical_formula_weight         299.31
_chemical_name_common            'Lanthan Trichloride Trihydrate'
_chemical_name_systematic
;
 ?
;
_space_group_IT_number           189
_symmetry_cell_setting           hexagonal
_symmetry_space_group_name_Hall  'P -6 -2'
_symmetry_space_group_name_H-M   'P -6 2 m'
_audit_creation_method           SHELXL
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                120
_cell_formula_units_Z            1
_cell_length_a                   6.8780(10)
_cell_length_b                   6.8780(10)
_cell_length_c                   4.4170(10)
_cell_measurement_reflns_used    25
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      25
_cell_measurement_theta_min      5
_cell_volume                     180.96(6)
_computing_cell_refinement       'CELDIM  (Enraf-Nonius)'
_computing_data_collection       'Enraf-Nonius CAD4'
_computing_data_reduction        'XCAD4PC (Harms, 1993)'
_computing_molecular_graphics    'SCHAKAL92 (Keller, 1993)'
_computing_publication_material  'SHELXL-93 (Sheldrick, 1993)'
_computing_structure_refinement  'SHELXL-93 (Sheldrick, 1993)'
_computing_structure_solution    'SHELXS-86 (Sheldrick, 1985)'
_diffrn_ambient_temperature      293(2)
_diffrn_measurement_device       'Enraf-Nonius CAD4'
_diffrn_measurement_method       \w-scan
_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  0.109
_diffrn_reflns_av_sigmaI/netI    0.0413
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       5
_diffrn_reflns_limit_l_min       -5
_diffrn_reflns_number            1252
_diffrn_reflns_theta_max         24.90
_diffrn_reflns_theta_min         3.42
_diffrn_standards_interval_count 250
_diffrn_standards_interval_time  120
_diffrn_standards_number         2
_exptl_absorpt_coefficient_mu    6.927
_exptl_absorpt_correction_T_max  0.39
_exptl_absorpt_correction_T_min  0.12
_exptl_absorpt_correction_type   'numerisch, SHELX76 (Sheldrick, 1976)'
_exptl_crystal_colour            farblos
_exptl_crystal_density_diffrn    2.747
_exptl_crystal_description       'Gestalt ?'
_exptl_crystal_F_000             138
_exptl_crystal_size_max          0.78
_exptl_crystal_size_mid          0.28
_exptl_crystal_size_min          0.14
_refine_diff_density_max         0.626
_refine_diff_density_min         -0.813
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.03(11)
_refine_ls_extinction_method     nein
_refine_ls_goodness_of_fit_all   1.352
_refine_ls_goodness_of_fit_obs   1.352
_refine_ls_matrix_type           full
_refine_ls_number_parameters     11
_refine_ls_number_reflns         141
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.352
_refine_ls_restrained_S_obs      1.352
_refine_ls_R_factor_all          0.0222
_refine_ls_R_factor_obs          0.0222
_refine_ls_shift/esd_max         0.013
_refine_ls_shift/esd_mean        0.004
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_scheme
; Berechnetes Wichtungsschema w = 1/[\s^2^(F~o~^2^) + (0.0388P)^2^ + 0.0000P]
mit P = (F~o~^2^ + 2F~c~^2^)/3
;
_refine_ls_wR_factor_all         0.0677
_refine_ls_wR_factor_obs         0.0677
_reflns_number_observed          141
_reflns_number_total             141
_reflns_observed_criterion       >2\s(I)
_cod_data_source_file            se1038.cif
_cod_data_source_block           se1038
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Hexagonal' changed to 'hexagonal'
according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic'
dictionary named 'cif_core.dic' version 2.4.1 from
2010-06-29.

'_geom_bond_publ_flag' value 'Y' changed to 'y' according to
'/home/saulius/struct/CIF-dictionaries/cif_core.dic' dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29 (2 times).

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 

The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Hexagonal' changed to 'hexagonal'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.1 from
2010-06-29.

'_geom_bond_publ_flag' value 'Y' changed to 'y'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29 (2
times).

'_geom_angle_publ_flag' value 'Y' changed to 'y' according
to /home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary
named 'cif_core.dic' version 2.4.1 from 2010-06-29 (6 times).

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_database_code               2009810