#------------------------------------------------------------------------------
#$Date: 2019-12-25 21:00:32 +0200 (Wed, 25 Dec 2019) $
#$Revision: 245730 $
#$URL: file:///home/coder/svn-repositories/cod/cif/1/55/67/1556753.cif $
#------------------------------------------------------------------------------
#
# This file is available in the Crystallography Open Database (COD),
# http://www.crystallography.net/. The original data for this entry
# were provided by IUCr Journals, http://journals.iucr.org/.
#
# The file may be used within the scientific community so long as
# proper attribution is given to the journal article from which the
# data were obtained.
#
data_1556753
loop_
_publ_author_name
'Eikeland, Espen'
'Blichfeld, Anders B.'
'Borup, Kasper A.'
'Zhao, Kunpeng'
'Overgaard, Jacob'
'Shi, Xun'
'Chen, Lidong'
'Iversen, Bo B.'
_publ_section_title
;
 Crystal structure across the β to α phase transition in thermoelectric
 Cu₂₋ₓ Se.
;
_journal_coeditor_code           LC5071SUP1
_journal_issue                   'Pt 4'
_journal_name_full               IUCrJ
_journal_page_first              476
_journal_page_last               485
_journal_paper_doi               10.1107/S2052252517005553
_journal_volume                  4
_journal_year                    2017
_chemical_formula_moiety         '0.06(Cu32), 1(Se)'
_chemical_formula_sum            'Cu1.94 Se'
_chemical_formula_weight         202.55
_space_group_crystal_system      cubic
_space_group_IT_number           225
_space_group_name_Hall           '-F 4 2 3'
_space_group_name_H-M_alt        'F m -3 m'
_audit_creation_date             2017-01-24
_audit_creation_method
;
Olex2 1.2
(compiled 2017.01.04 svn.r3372 for OlexSys, GUI svn.r5292)
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   5.8538(3)
_cell_length_b                   5.8538(3)
_cell_length_c                   5.8538(3)
_cell_measurement_reflns_used    163
_cell_measurement_temperature    400.00(11)
_cell_measurement_theta_max      24.8490
_cell_measurement_theta_min      6.0070
_cell_volume                     200.592(18)
_computing_cell_refinement       'CrysAlisPro 1.171.38.41 (Rigaku OD, 2015)'
_computing_data_collection       'CrysAlisPro 1.171.38.41 (Rigaku OD, 2015)'
_computing_data_reduction        'CrysAlisPro 1.171.38.41 (Rigaku OD, 2015)'
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'ShelXL (Sheldrick, 2015)'
_computing_structure_solution    'ShelXT (Sheldrick, 2015)'
_diffrn_ambient_temperature      293(2)
_diffrn_detector_area_resol_mean 10.3590
_diffrn_detector_type            Atlas
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_details
;
List of Runs (angles in degrees, time in seconds):

  # Type    Start    End  Width  tₑₓₚ   ω     θ     κ     φ   Frames
--------------------------------------------------------------------------
  1  ω    -82.00 -35.00   1.00   90.00    --   18.69-178.00 -90.00   47
  2  ω    -28.00  87.00   1.00   90.00    --   18.69  38.00  30.00  115
  3  ω    -66.00  71.00   1.00   90.00    --  -19.62  38.00  30.00  137
;
_diffrn_measurement_device       'four-circle diffractometer'
_diffrn_measurement_device_type  'SuperNova, Single source at offset, Atlas'
_diffrn_measurement_method       'ω scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0785
_diffrn_reflns_av_unetI/netI     0.0254
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 1.000
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       7
_diffrn_reflns_limit_k_min       -7
_diffrn_reflns_limit_l_max       7
_diffrn_reflns_limit_l_min       -5
_diffrn_reflns_number            277
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 1.000
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         25.961
_diffrn_reflns_theta_min         6.036
_exptl_absorpt_coefficient_mu    38.257
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.32083
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.38.41 (Rigaku Oxford Diffraction, 2015)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_density_diffrn    6.707
_exptl_crystal_description       irregular
_exptl_crystal_F_000             362
_exptl_crystal_size_max          0.0908
_exptl_crystal_size_mid          0.0493
_exptl_crystal_size_min          0.0167
_refine_diff_density_max         0.496
_refine_diff_density_min         -0.914
_refine_diff_density_rms         0.210
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.292
_refine_ls_hydrogen_treatment    undef
_refine_ls_matrix_type           full
_refine_ls_number_parameters     6
_refine_ls_number_reflns         22
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.261
_refine_ls_R_factor_all          0.0425
_refine_ls_R_factor_gt           0.0425
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[σ²(Fo²)+16.3542P] where P=(Fo²+2Fc²)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0870
_refine_ls_wR_factor_ref         0.0870
_reflns_Friedel_coverage         0.000
_reflns_number_gt                22
_reflns_number_total             22
_reflns_threshold_expression     'I > 2σ(I)'
_cod_data_source_file            lc5071.cif
_cod_data_source_block           Cu1p95Se_CVT1_400K
_cod_original_cell_volume        200.59(3)
_cod_database_code               1556753
_shelx_shelxl_version_number     2014/7
_shelx_space_group_comment
;
The symmetry employed for this shelxl refinement is uniquely defined
by the following loop, which should always be used as a source of
symmetry information in preference to the above space-group names.
They are only intended as comments.
;
_olex2_refinement_description
;
1. Uiso/Uaniso restraints and constraints
Uanis(Cu2) = Uanis(Cu1)
2. Others
 2*[Sof(Cu1)]+8*[Sof(Cu2)]=1.95 with esd of 0.01
;
loop_
_space_group_symop_operation_xyz
'x, y, z'
'-x, -y, z'
'-x, y, -z'
'x, -y, -z'
'z, x, y'
'z, -x, -y'
'-z, -x, y'
'-z, x, -y'
'y, z, x'
'-y, z, -x'
'y, -z, -x'
'-y, -z, x'
'y, x, -z'
'-y, -x, -z'
'y, -x, z'
'-y, x, z'
'x, z, -y'
'-x, z, y'
'-x, -z, -y'
'x, -z, y'
'z, y, -x'
'z, -y, x'
'-z, y, x'
'-z, -y, -x'
'x, y+1/2, z+1/2'
'-x, -y+1/2, z+1/2'
'-x, y+1/2, -z+1/2'
'x, -y+1/2, -z+1/2'
'z, x+1/2, y+1/2'
'z, -x+1/2, -y+1/2'
'-z, -x+1/2, y+1/2'
'-z, x+1/2, -y+1/2'
'y, z+1/2, x+1/2'
'-y, z+1/2, -x+1/2'
'y, -z+1/2, -x+1/2'
'-y, -z+1/2, x+1/2'
'y, x+1/2, -z+1/2'
'-y, -x+1/2, -z+1/2'
'y, -x+1/2, z+1/2'
'-y, x+1/2, z+1/2'
'x, z+1/2, -y+1/2'
'-x, z+1/2, y+1/2'
'-x, -z+1/2, -y+1/2'
'x, -z+1/2, y+1/2'
'z, y+1/2, -x+1/2'
'z, -y+1/2, x+1/2'
'-z, y+1/2, x+1/2'
'-z, -y+1/2, -x+1/2'
'x+1/2, y, z+1/2'
'-x+1/2, -y, z+1/2'
'-x+1/2, y, -z+1/2'
'x+1/2, -y, -z+1/2'
'z+1/2, x, y+1/2'
'z+1/2, -x, -y+1/2'
'-z+1/2, -x, y+1/2'
'-z+1/2, x, -y+1/2'
'y+1/2, z, x+1/2'
'-y+1/2, z, -x+1/2'
'y+1/2, -z, -x+1/2'
'-y+1/2, -z, x+1/2'
'y+1/2, x, -z+1/2'
'-y+1/2, -x, -z+1/2'
'y+1/2, -x, z+1/2'
'-y+1/2, x, z+1/2'
'x+1/2, z, -y+1/2'
'-x+1/2, z, y+1/2'
'-x+1/2, -z, -y+1/2'
'x+1/2, -z, y+1/2'
'z+1/2, y, -x+1/2'
'z+1/2, -y, x+1/2'
'-z+1/2, y, x+1/2'
'-z+1/2, -y, -x+1/2'
'x+1/2, y+1/2, z'
'-x+1/2, -y+1/2, z'
'-x+1/2, y+1/2, -z'
'x+1/2, -y+1/2, -z'
'z+1/2, x+1/2, y'
'z+1/2, -x+1/2, -y'
'-z+1/2, -x+1/2, y'
'-z+1/2, x+1/2, -y'
'y+1/2, z+1/2, x'
'-y+1/2, z+1/2, -x'
'y+1/2, -z+1/2, -x'
'-y+1/2, -z+1/2, x'
'y+1/2, x+1/2, -z'
'-y+1/2, -x+1/2, -z'
'y+1/2, -x+1/2, z'
'-y+1/2, x+1/2, z'
'x+1/2, z+1/2, -y'
'-x+1/2, z+1/2, y'
'-x+1/2, -z+1/2, -y'
'x+1/2, -z+1/2, y'
'z+1/2, y+1/2, -x'
'z+1/2, -y+1/2, x'
'-z+1/2, y+1/2, x'
'-z+1/2, -y+1/2, -x'
'-x, -y, -z'
'x, y, -z'
'x, -y, z'
'-x, y, z'
'-z, -x, -y'
'-z, x, y'
'z, x, -y'
'z, -x, y'
'-y, -z, -x'
'y, -z, x'
'-y, z, x'
'y, z, -x'
'-y, -x, z'
'y, x, z'
'-y, x, -z'
'y, -x, -z'
'-x, -z, y'
'x, -z, -y'
'x, z, y'
'-x, z, -y'
'-z, -y, x'
'-z, y, -x'
'z, -y, -x'
'z, y, x'
'-x, -y+1/2, -z+1/2'
'x, y+1/2, -z+1/2'
'x, -y+1/2, z+1/2'
'-x, y+1/2, z+1/2'
'-z, -x+1/2, -y+1/2'
'-z, x+1/2, y+1/2'
'z, x+1/2, -y+1/2'
'z, -x+1/2, y+1/2'
'-y, -z+1/2, -x+1/2'
'y, -z+1/2, x+1/2'
'-y, z+1/2, x+1/2'
'y, z+1/2, -x+1/2'
'-y, -x+1/2, z+1/2'
'y, x+1/2, z+1/2'
'-y, x+1/2, -z+1/2'
'y, -x+1/2, -z+1/2'
'-x, -z+1/2, y+1/2'
'x, -z+1/2, -y+1/2'
'x, z+1/2, y+1/2'
'-x, z+1/2, -y+1/2'
'-z, -y+1/2, x+1/2'
'-z, y+1/2, -x+1/2'
'z, -y+1/2, -x+1/2'
'z, y+1/2, x+1/2'
'-x+1/2, -y, -z+1/2'
'x+1/2, y, -z+1/2'
'x+1/2, -y, z+1/2'
'-x+1/2, y, z+1/2'
'-z+1/2, -x, -y+1/2'
'-z+1/2, x, y+1/2'
'z+1/2, x, -y+1/2'
'z+1/2, -x, y+1/2'
'-y+1/2, -z, -x+1/2'
'y+1/2, -z, x+1/2'
'-y+1/2, z, x+1/2'
'y+1/2, z, -x+1/2'
'-y+1/2, -x, z+1/2'
'y+1/2, x, z+1/2'
'-y+1/2, x, -z+1/2'
'y+1/2, -x, -z+1/2'
'-x+1/2, -z, y+1/2'
'x+1/2, -z, -y+1/2'
'x+1/2, z, y+1/2'
'-x+1/2, z, -y+1/2'
'-z+1/2, -y, x+1/2'
'-z+1/2, y, -x+1/2'
'z+1/2, -y, -x+1/2'
'z+1/2, y, x+1/2'
'-x+1/2, -y+1/2, -z'
'x+1/2, y+1/2, -z'
'x+1/2, -y+1/2, z'
'-x+1/2, y+1/2, z'
'-z+1/2, -x+1/2, -y'
'-z+1/2, x+1/2, y'
'z+1/2, x+1/2, -y'
'z+1/2, -x+1/2, y'
'-y+1/2, -z+1/2, -x'
'y+1/2, -z+1/2, x'
'-y+1/2, z+1/2, x'
'y+1/2, z+1/2, -x'
'-y+1/2, -x+1/2, z'
'y+1/2, x+1/2, z'
'-y+1/2, x+1/2, -z'
'y+1/2, -x+1/2, -z'
'-x+1/2, -z+1/2, y'
'x+1/2, -z+1/2, -y'
'x+1/2, z+1/2, y'
'-x+1/2, z+1/2, -y'
'-z+1/2, -y+1/2, x'
'-z+1/2, y+1/2, -x'
'z+1/2, -y+1/2, -x'
'z+1/2, y+1/2, x'
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_site_symmetry_order
_atom_site_calc_flag
_atom_site_refinement_flags_posn
_atom_site_refinement_flags_adp
_atom_site_refinement_flags_occupancy
_atom_site_disorder_assembly
_atom_site_disorder_group
Cu1 Cu 0.2500 0.2500 0.2500 0.071(4) Uani 0.61(2) 24 d S T P A 2
Se Se 0.0000 0.0000 0.0000 0.0423(19) Uani 1 48 d S T P B 1
Cu2 Cu 0.339(4) 0.339(4) 0.339(4) 0.071(4) Uani 0.091(6) 6 d S T P C 3
loop_
_atom_type_symbol
_atom_type_description
_atom_type_scat_dispersion_real
_atom_type_scat_dispersion_imag
_atom_type_scat_source
Cu Cu 0.3201 1.2651 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
Se Se -0.0929 2.2259 '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
Cu1 Cu1 Cu1 90.0 169_556 121
Cu1 Cu1 Cu1 180.0 145 145_565
Cu1 Cu1 Cu1 90.0 145 169
Cu1 Cu1 Cu1 90.0 121_655 145_565
Cu1 Cu1 Cu1 90.0 121 169
Cu1 Cu1 Cu1 90.0 121_655 169
Cu1 Cu1 Cu1 90.0 169_556 145
Cu1 Cu1 Cu1 90.0 169_556 121_655
Cu1 Cu1 Cu1 90.0 121 145
Cu1 Cu1 Cu1 180.0 169_556 169
Cu1 Cu1 Cu1 90.0 121_655 145
Cu1 Cu1 Cu1 180.0 121 121_655
Cu1 Cu1 Cu1 90.0 169_556 145_565
Cu1 Cu1 Cu1 90.0 121 145_565
Cu1 Cu1 Cu1 90.0 145_565 169
Cu2 Cu2 Cu2 120.000(2) 51 4_566
Cu2 Cu2 Cu2 38.0(18) 99_565 145_565
Cu2 Cu2 Cu2 45.000(2) 99_565 2_665
Cu2 Cu2 Cu2 45.0 98_556 4_566
Cu2 Cu2 Cu2 120.000(2) 28 2_665
Cu2 Cu2 Cu2 60.001(1) 2_665 4_566
Cu2 Cu2 Cu2 75.5(15) 145_565 2_665
Cu2 Cu2 Cu2 45.0 100_655 3_656
Cu2 Cu2 Cu2 119.8(3) 169_556 145_565
Cu2 Cu2 Cu2 75.5(15) 121_655 3_656
Cu2 Cu2 Cu2 180.0(12) 74 2_665
Cu2 Cu2 Cu2 115.8(11) 99_565 121_655
Cu2 Cu2 Cu2 128.0(18) 169_556 2_665
Cu2 Cu2 Cu2 104.5(15) 28 145_565
Cu2 Cu2 Cu2 104.5(15) 74 145_565
Cu2 Cu2 Cu2 90.001(2) 100_655 4_566
Cu2 Cu2 Cu2 180.0(12) 28 4_566
Cu2 Cu2 Cu2 128.0(18) 121_655 4_566
Cu2 Cu2 Cu2 115.8(11) 100_655 145_565
Cu2 Cu2 Cu2 180.0 51 3_656
Cu2 Cu2 Cu2 45.000(1) 100_655 2_665
Cu2 Cu2 Cu2 45.0 98_556 3_656
Cu2 Cu2 Cu2 45.0 99_565 4_566
Cu2 Cu2 Cu2 60.001(2) 2_665 3_656
Cu2 Cu2 Cu2 119.8(3) 121_655 145_565
Cu2 Cu2 Cu2 135.000(2) 74 100_655
Cu2 Cu2 Cu2 75.5(15) 145_565 4_566
Cu2 Cu2 Cu2 135.000(1) 28 99_565
Cu2 Cu2 Cu2 75.5(15) 121_655 2_665
Cu2 Cu2 Cu2 90.000(1) 51 99_565
Cu2 Cu2 Cu2 120.000(1) 74 3_656
Cu2 Cu2 Cu2 135.000(1) 74 99_565
Cu2 Cu2 Cu2 115.8(11) 98_556 145_565
Cu2 Cu2 Cu2 90.001(1) 100_655 99_565
Cu2 Cu2 Cu2 75.5(15) 169_556 3_656
Cu2 Cu2 Cu2 135.000(3) 28 98_556
Cu2 Cu2 Cu2 120.000(1) 51 2_665
Cu2 Cu2 Cu2 135.0 51 98_556
Cu2 Cu2 Cu2 60.001(2) 4_566 3_656
Cu2 Cu2 Cu2 90.000(3) 74 98_556
Cu2 Cu2 Cu2 90.0 98_556 2_665
Cu2 Cu2 Cu2 90.0 100_655 98_556
Cu2 Cu2 Cu2 119.8(3) 169_556 121_655
Cu2 Cu2 Cu2 90.0 99_565 98_556
Cu2 Cu2 Cu2 52.0(18) 51 145_565
Cu2 Cu2 Cu2 104.5(15) 28 169_556
Cu2 Cu2 Cu2 120.000(2) 74 4_566
Cu2 Cu2 Cu2 104.5(15) 51 169_556
Cu2 Cu2 Cu2 59.999(3) 28 51
Cu2 Cu2 Cu2 52.0(18) 74 169_556
Cu2 Cu2 Cu2 75.5(15) 169_556 4_566
Cu2 Cu2 Cu2 115.8(11) 100_655 169_556
Cu2 Cu2 Cu2 59.999(3) 28 74
Cu2 Cu2 Cu2 115.8(11) 99_565 169_556
Cu2 Cu2 Cu2 120.0 28 3_656
Cu2 Cu2 Cu2 38.0(18) 98_556 169_556
Cu2 Cu2 Cu2 59.999(1) 51 74
Cu2 Cu2 Cu2 52.0(18) 28 121_655
Cu2 Cu2 Cu2 90.001(1) 99_565 3_656
Cu2 Cu2 Cu2 104.5(15) 51 121_655
Cu2 Cu2 Cu2 90.000(5) 28 100_655
Cu2 Cu2 Cu2 104.5(15) 74 121_655
Cu2 Cu2 Cu2 128.0(18) 145_565 3_656
Cu2 Cu2 Cu2 38.0(18) 100_655 121_655
Cu2 Cu2 Cu2 135.0 51 100_655
Cu2 Cu2 Cu2 115.8(11) 98_556 121_655
loop_
_geom_bond_atom_site_label_1
_geom_bond_atom_site_label_2
_geom_bond_distance
_geom_bond_site_symmetry_2
Cu1 Cu1 2.92690(16) 169_556
Cu1 Cu1 2.92690(15) 121_655
Cu1 Cu1 2.92690(15) 121
Cu1 Cu1 2.92690(15) 145_565
Cu1 Cu1 2.92690(15) 145
Cu1 Cu1 2.92690(15) 169
Cu2 Cu2 2.392(4) 121_655
Cu2 Cu2 1.89(4) 98_556
Cu2 Cu2 2.392(3) 145_565
Cu2 Cu2 2.67(6) 2_665
Cu2 Cu2 2.67(6) 4_566
Cu2 Cu2 2.67(6) 3_656
Cu2 Cu2 1.47(6) 28
Cu2 Cu2 2.392(4) 169_556
Cu2 Cu2 1.47(6) 51
Cu2 Cu2 1.89(4) 99_565
Cu2 Cu2 1.47(6) 74
Cu2 Cu2 1.89(4) 100_655
