#------------------------------------------------------------------------------
#$Date: 2016-03-23 15:08:04 +0200 (Wed, 23 Mar 2016) $
#$Revision: 179314 $
#$URL: svn://www.crystallography.net/cod/cif/4/32/11/4321152.cif $
#------------------------------------------------------------------------------
#
# This file is available in the Crystallography Open Database (COD),
# http://www.crystallography.net/
#
# All data on this site have been placed in the public domain by the
# contributors.
#
data_4321152
loop_
_publ_author_name
'Fu Qiang Huang'
'Paul Brazis'
'Carl R. Kannewurf'
'James A. Ibers'
_publ_section_title
;
 Syntheses, Structures, and Physical Properties of LnAsTe (Ln = La, Pr,
 Sm, Gd, Dy, Er)
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              3176
_journal_page_last               3180
_journal_paper_doi               10.1021/ic000187v
_journal_volume                  39
_journal_year                    2000
_chemical_formula_sum            'As Gd Te'
_chemical_formula_weight         359.77
_chemical_name_systematic
; 
Gadolinium Asernic Telluride 
;
_space_group_IT_number           62
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2ac 2n'
_symmetry_space_group_name_H-M   'P n m a'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   7.5611(15)
_cell_length_b                   4.0510(8)
_cell_length_c                   9.920(2)
_cell_measurement_temperature    153(2)
_cell_volume                     303.85(10)
_computing_cell_refinement       'SMART version 5.054 (Bruker, 1999)'
_computing_data_collection       'SMART version 5.054 (Bruker, 1999)'
_computing_data_reduction        'SAINT-Plus version 6.0 (Bruker, 1999)'
_computing_molecular_graphics    'SHELXTL-97 (Sheldrick, 1997)'
_computing_publication_material  'SHELXTL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      153(2)
_diffrn_measured_fraction_theta_full 0.970
_diffrn_measured_fraction_theta_max 0.970
_diffrn_measurement_device_type  'Bruker Smart 1000 CCD'
_diffrn_measurement_method       ω
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'standard-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.1193
_diffrn_reflns_av_sigmaI/netI    0.0533
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       5
_diffrn_reflns_limit_k_min       -5
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            2519
_diffrn_reflns_theta_full        28.29
_diffrn_reflns_theta_max         28.29
_diffrn_reflns_theta_min         3.39
_diffrn_standards_decay_%        <2
_exptl_absorpt_coefficient_mu    41.706
_exptl_absorpt_correction_T_max  0.373
_exptl_absorpt_correction_T_min  0.060
_exptl_absorpt_process_details   'face indexed (Sheldrick, 1997)'
_exptl_crystal_colour            black
_exptl_crystal_density_diffrn    7.865
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             596
_exptl_crystal_size_max          0.282
_exptl_crystal_size_mid          0.056
_exptl_crystal_size_min          0.044
_refine_diff_density_max         2.450
_refine_diff_density_min         -4.817
_refine_diff_density_rms         1.374
_refine_ls_extinction_coef       0.0217(15)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc²λ³/sin(2θ)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.339
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     20
_refine_ls_number_reflns         420
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.339
_refine_ls_R_factor_all          0.0357
_refine_ls_R_factor_gt           0.0354
_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 
 [1.00000+0.00000exp(0.00(sinθ/λ)²)]/ 
   [σ²(Fo²)+0.0000+0.0000*P+(0.0400P)²+0.0000sinθ/λ] 
 where P = 1.00000Fo² + 0.00000Fc² 
;
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0815
_refine_ls_wR_factor_ref         0.0819
_reflns_number_gt                415
_reflns_number_total             420
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic000187v_4.cif
_cod_data_source_block           gd
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Orthorhombic' changed to
'orthorhombic' according to the built-in table from CIF Core
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1646 2011-03-28 12:23:43Z adriana 
;
_cod_original_cell_volume        303.84(10)
_cod_database_code               4321152
loop_
_symmetry_equiv_pos_as_xyz
'x, y, z'
'-x+1/2, -y, z+1/2'
'-x, y+1/2, -z'
'x+1/2, -y+1/2, -z+1/2'
'-x, -y, -z'
'x-1/2, y, -z-1/2'
'x, -y-1/2, z'
'-x-1/2, y-1/2, z-1/2'
loop_
_atom_site_label
_atom_site_type_symbol
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_U_iso_or_equiv
_atom_site_adp_type
_atom_site_occupancy
_atom_site_symmetry_multiplicity
_atom_site_calc_flag
_atom_site_refinement_flags
_atom_site_disorder_assembly
_atom_site_disorder_group
Gd Gd 0.22858(5) 0.2500 0.34132(3) 0.0068(3) Uani 1 2 d S . .
As As 0.09515(9) 0.2500 0.03922(6) 0.0072(3) Uani 1 2 d S . .
Te Te 0.08657(7) 0.2500 0.64842(4) 0.0070(3) Uani 1 2 d S . .
loop_
_atom_site_aniso_label
_atom_site_aniso_U_11
_atom_site_aniso_U_22
_atom_site_aniso_U_33
_atom_site_aniso_U_23
_atom_site_aniso_U_13
_atom_site_aniso_U_12
Gd 0.0067(4) 0.0064(3) 0.0073(3) 0.000 -0.00004(9) 0.000
As 0.0077(4) 0.0075(4) 0.0064(4) 0.000 0.0007(2) 0.000
Te 0.0075(4) 0.0063(4) 0.0072(4) 0.000 -0.00013(14) 0.000
loop_
_atom_type_symbol
_atom_type_description
_atom_type_scat_dispersion_real
_atom_type_scat_dispersion_imag
_atom_type_scat_source
As As 0.0499 2.0058 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
Te Te -0.5308 1.6751 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
Gd Gd -0.1653 3.9035 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
loop_
_geom_angle_atom_site_label_1
_geom_angle_atom_site_label_2
_geom_angle_atom_site_label_3
_geom_angle
_geom_angle_site_symmetry_1
_geom_angle_site_symmetry_3
_geom_angle_publ_flag
As Gd Te 80.158(17) 6_656 2_554 ?
As Gd Te 80.158(17) 6_656 2_564 ?
Te Gd Te 81.047(19) 2_554 2_564 ?
As Gd As 50.194(17) 6_656 2_565 ?
Te Gd As 128.07(2) 2_554 2_565 ?
Te Gd As 76.87(2) 2_564 2_565 ?
As Gd As 50.194(17) 6_656 2 ?
Te Gd As 76.87(2) 2_554 2 ?
Te Gd As 128.07(2) 2_564 2 ?
As Gd As 80.97(2) 2_565 2 ?
As Gd Te 133.426(13) 6_656 5_556 ?
Te Gd Te 86.607(14) 2_554 5_556 ?
Te Gd Te 141.444(15) 2_564 5_556 ?
As Gd Te 136.478(19) 2_565 5_556 ?
As Gd Te 83.373(17) 2 5_556 ?
As Gd Te 133.426(13) 6_656 5_566 ?
Te Gd Te 141.444(15) 2_554 5_566 ?
Te Gd Te 86.607(14) 2_564 5_566 ?
As Gd Te 83.373(17) 2_565 5_566 ?
As Gd Te 136.478(19) 2 5_566 ?
Te Gd Te 80.68(2) 5_556 5_566 ?
As Gd As 131.76(2) 6_656 . ?
Te Gd As 63.980(16) 2_554 . ?
Te Gd As 63.980(16) 2_564 . ?
As Gd As 137.113(12) 2_565 . ?
As Gd As 137.113(12) 2 . ?
Te Gd As 77.751(14) 5_556 . ?
Te Gd As 77.751(14) 5_566 . ?
As Gd Te 86.27(2) 6_656 . ?
Te Gd Te 136.716(10) 2_554 . ?
Te Gd Te 136.716(10) 2_564 . ?
As Gd Te 63.162(17) 2_565 . ?
As Gd Te 63.162(17) 2 . ?
Te Gd Te 73.510(13) 5_556 . ?
Te Gd Te 73.510(13) 5_566 . ?
As Gd Te 141.98(2) . . ?
As Gd Gd 90.0 6_656 1_545 ?
Te Gd Gd 49.476(9) 2_554 1_545 ?
Te Gd Gd 130.524(9) 2_564 1_545 ?
As Gd Gd 130.484(11) 2_565 1_545 ?
As Gd Gd 49.516(11) 2 1_545 ?
Te Gd Gd 49.661(11) 5_556 1_545 ?
Te Gd Gd 130.339(11) 5_566 1_545 ?
As Gd Gd 90.0 . 1_545 ?
Te Gd Gd 90.0 . 1_545 ?
As Gd Gd 90.0 6_656 1_565 ?
Te Gd Gd 130.524(9) 2_554 1_565 ?
Te Gd Gd 49.476(9) 2_564 1_565 ?
As Gd Gd 49.516(11) 2_565 1_565 ?
As Gd Gd 130.484(11) 2 1_565 ?
Te Gd Gd 130.339(11) 5_556 1_565 ?
Te Gd Gd 49.661(11) 5_566 1_565 ?
As Gd Gd 90.0 . 1_565 ?
Te Gd Gd 90.0 . 1_565 ?
Gd Gd Gd 180.00(2) 1_545 1_565 ?
As As As 102.15(5) 5 5_565 ?
As As Gd 67.01(3) 5 6_556 ?
As As Gd 67.01(3) 5_565 6_556 ?
As As Gd 62.80(2) 5 2_554 ?
As As Gd 123.58(4) 5_565 2_554 ?
Gd As Gd 129.806(17) 6_556 2_554 ?
As As Gd 123.58(4) 5 2_564 ?
As As Gd 62.80(2) 5_565 2_564 ?
Gd As Gd 129.806(17) 6_556 2_564 ?
Gd As Gd 80.97(2) 2_554 2_564 ?
As As Gd 117.36(3) 5 . ?
As As Gd 117.36(3) 5_565 . ?
Gd As Gd 85.46(2) 6_556 . ?
Gd As Gd 117.391(19) 2_554 . ?
Gd As Gd 117.391(19) 2_564 . ?
Gd Te Gd 81.047(19) 2_565 2 ?
Gd Te Gd 137.907(17) 2_565 5_556 ?
Gd Te Gd 84.310(14) 2 5_556 ?
Gd Te Gd 84.310(14) 2_565 5_566 ?
Gd Te Gd 137.907(17) 2 5_566 ?
Gd Te Gd 80.68(2) 5_556 5_566 ?
Gd Te Gd 115.460(16) 2_565 . ?
Gd Te Gd 115.460(16) 2 . ?
Gd Te Gd 106.490(13) 5_556 . ?
Gd Te Gd 106.490(13) 5_566 . ?
loop_
_geom_bond_atom_site_label_1
_geom_bond_atom_site_label_2
_geom_bond_distance
_geom_bond_site_symmetry_2
_geom_bond_publ_flag
Gd As 3.0143(9) 6_656 ?
Gd Te 3.1173(5) 2_554 ?
Gd Te 3.1173(5) 2_564 ?
Gd As 3.1198(6) 2_565 ?
Gd As 3.1198(6) 2 ?
Gd Te 3.1291(6) 5_556 ?
Gd Te 3.1291(6) 5_566 ?
Gd As 3.1620(9) . ?
Gd Te 3.2301(8) . ?
Gd Gd 4.0510(8) 1_545 ?
Gd Gd 4.0510(8) 1_565 ?
As As 2.6035(9) 5 ?
As As 2.6035(9) 5_565 ?
As Gd 3.0143(9) 6_556 ?
As Gd 3.1198(6) 2_554 ?
As Gd 3.1198(6) 2_564 ?
Te Gd 3.1173(6) 2_565 ?
Te Gd 3.1173(6) 2 ?
Te Gd 3.1291(6) 5_556 ?
Te Gd 3.1291(6) 5_566 ?
