Structural Modulations in the Rare-Earth Metal Digermanides REAl1-xGe2 (RE = Gd-Tm, Lu, Y; 0.8 < x < 0.9). Correlations between Long- and Short-Range Vacancy Ordering.
Zhang, Jiliang; Wang, Yingmin; Bobev, Svilen; Inorganic chemistry 54 (2015) 722–732; doi:10.1021/ic501002j

data_4340062
_publ_section_title
;
 Structural Modulations in the Rare-Earth Metal Digermanides REAl1-xGe2
 (RE = Gd-Tm, Lu, Y; 0.8 &lt; x &lt; 0.9). Correlations between Long- and
 Short-Range Vacancy Ordering.
;
_journal_issue                   3
_journal_name_full               'Inorganic chemistry'
_journal_page_first              722
_journal_page_last               732
_journal_paper_doi               10.1021/ic501002j
_journal_volume                  54
_journal_year                    2015
_chemical_formula_sum            'Al0.13 Ge2 Tm'
_chemical_formula_weight         317.48
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           63
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-C 2c 2'
_symmetry_space_group_name_H-M   'C m c m'
_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                   4.0353(10)
_cell_length_b                   15.875(4)
_cell_length_c                   3.8983(9)
_cell_measurement_reflns_used    725
_cell_measurement_temperature    200(2)
_cell_measurement_theta_max      30.23
_cell_measurement_theta_min      2.57
_cell_volume                     249.73(11)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      200(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.983
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_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  0.0277
_diffrn_reflns_av_sigmaI/netI    0.0195
_diffrn_reflns_limit_h_max       5
_diffrn_reflns_limit_h_min       -5
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -21
_diffrn_reflns_limit_l_max       5
_diffrn_reflns_limit_l_min       -5
_diffrn_reflns_number            1379
_diffrn_reflns_theta_full        29.00
_diffrn_reflns_theta_max         29.93
_diffrn_reflns_theta_min         2.57
_exptl_absorpt_coefficient_mu    58.766
_exptl_absorpt_correction_T_max  0.2021
_exptl_absorpt_correction_T_min  0.0887
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            silver
_exptl_crystal_density_diffrn    8.444
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       irregular
_exptl_crystal_F_000             539
_exptl_crystal_size_max          0.08
_exptl_crystal_size_mid          0.05
_exptl_crystal_size_min          0.04
_refine_diff_density_max         3.139
_refine_diff_density_min         -1.827
_refine_diff_density_rms         0.370
_refine_ls_extinction_coef       0.0028(3)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.090
_refine_ls_matrix_type           full
_refine_ls_number_parameters     17
_refine_ls_number_reflns         228
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.090
_refine_ls_R_factor_all          0.0206
_refine_ls_R_factor_gt           0.0202
_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^)+(0.0193P)^2^+7.3470P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0449
_refine_ls_wR_factor_ref         0.0450
_reflns_number_gt                223
_reflns_number_total             228
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic501002j_si_002.cif
_cod_data_source_block           TmAlGe
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Orthorhombic' changed to
'orthorhombic' according to
/usr/data/users/saulius/crontab/automatic-downloads/rss-feeds/ACS/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 2281 2013-09-26 08:29:07Z andrius 

 Adding full bibliography for 4340057--4340064.cif.
;
_cod_original_cell_volume        249.73(10)
_cod_original_sg_symbol_H-M      Cmcm
_cod_database_code               4340062