Crystal structures of europium magnesium gallium, EuMg~x~Ga~4-x~, and europium lithium gallium, EuLi~x~Ga~4-x~ (x » 0.5)
Fedorchuk, A.; Prots, Yu.; Grin, Yu.; Zeitschrift für Kristallographie - New Crystal Structures 220 (2005) 317–318; doi:

data_8102911
_publ_section_title
;
Crystal structures of europium magnesium gallium, EuMg~x~Ga~4-x~, 
and europium lithium gallium, EuLi~x~Ga~4-x~ (x &#x00BB; 0.5)
;
_journal_issue                   3
_journal_name_full
'Zeitschrift f\"ur Kristallographie - New Crystal Structures'
_journal_page_first              317
_journal_page_last               318
_journal_volume                  220
_journal_year                    2005
_chemical_formula_sum            'Eu Ga3.44 Mg0.56'
_chemical_formula_weight         409.78
_space_group_IT_number           139
_symmetry_cell_setting           tetragonal
_symmetry_space_group_name_Hall  '-I 4 2'
_symmetry_space_group_name_H-M   'I 4/m m m'
_audit_creation_date             2005-07-11
_audit_creation_method           'CSD2CIF created by WinCSD program'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   4.3831(1)
_cell_length_b                   4.3831(1)
_cell_length_c                   11.0632(4)
_cell_measurement_theta_max      23.76
_cell_measurement_theta_min      4.65
_cell_volume                     212.541(10)
_computing_cell_refinement       'CSD (Akselrud, 1993)'
_computing_data_collection
'STOE IPDS, Version 2.87 (STOE and CIE, 1998)'
_computing_data_reduction
'STOE IPDS, Version 2.87 (STOE and CIE, 1998)'
_computing_structure_refinement  'CSD (Akselrud, 1993)'
_diffrn_ambient_temperature      295.1500
_diffrn_measurement_details
;
scan:
    Number of images: 225
               Slice: 0.0000 - 180.0000
         Image width: 0.8
            Exp time: 300.0000
       Rotation axis: Phi
;
_diffrn_measurement_device       'Image Plate'
_diffrn_measurement_method       oscillation
_diffrn_radiation_detector       'STOE IPDS'
_diffrn_radiation_monochromator  'Graphite Monochromator'
_diffrn_radiation_source         'Sealed Tube'
_diffrn_radiation_type           AgK\a
_diffrn_radiation_wavelength     0.56087
_diffrn_reflns_av_R_equivalents  0.038
_diffrn_reflns_limit_h_max       6
_diffrn_reflns_limit_h_min       -6
_diffrn_reflns_limit_k_max       6
_diffrn_reflns_limit_k_min       -6
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            1188
_diffrn_reflns_reduction_process 'Lp corrections applied'
_diffrn_reflns_theta_max         23.79
_diffrn_reflns_theta_min         2.98
_diffrn_source_current           32.0000
_diffrn_source_power             1.7900
_diffrn_source_voltage           56.0000
_exptl_absorpt_coefficient_mu    19.78
_exptl_crystal_colour            'gray with metallic lustre'
_exptl_crystal_density_diffrn    6.340
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       platelet
_exptl_crystal_F_000             353
_exptl_crystal_size_max          0.070
_exptl_crystal_size_mid          0.060
_exptl_crystal_size_min          0.050
_refine_diff_density_max         1.270
_refine_diff_density_min         -1.001
_refine_ls_extinction_coef       0.00109(6)
_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   1.03
_refine_ls_matrix_type           full
_refine_ls_number_parameters     10
_refine_ls_number_reflns         123
_refine_ls_restrained_S_all      1.104
_refine_ls_R_factor_gt           0.017
_refine_ls_shift/su_max          0.001
_refine_ls_structure_factor_coef F
_refine_ls_weighting_scheme      unit
_refine_ls_wR_factor_ref         0.033
_reflns_number_gt                122
_reflns_number_total             123
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            409842.cff
_cod_data_source_block           FT_EuMg0.5Ga3.5
_cod_depositor_comments
;
The following corrections have been performed in the original file before 
processing it for deposition (the diff against the Z. Krist. - NCS original 
is given):

Index:
 2005/03/409842.cff
===================================================================
---
    2005/03/409842.cff (revision 562)
+++ 2005/03/409842.cff (revision 563)
@@
 -154,7 +154,7 @@  
 -_chemical_formula_sum 'EuMg~0.56~Ga~3.44~'
 +_chemical_formula_sum 'Eu Mg0.56 Ga3.44 '
  _chemical_formula_weight 409.78 
 Saulius Gra\<zulis
 2011-03-03
;
_cod_original_cell_volume        212.54(2)
_cod_original_formula_sum        'Eu Mg0.56 Ga3.44 '
_cod_database_code               8102911