#------------------------------------------------------------------------------
#$Date: 2013-04-01 14:30:04 +0300 (Mon, 01 Apr 2013) $
#$Revision: 78148 $
#$URL: file:///home/coder/svn-repositories/cod/cif/4/32/91/4329108.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_4329108
loop_
_publ_author_name
'David Santamar\'ia-P\'erez'
'Miriam Marqu\'es'
'Raquel Chuli\'a-Jord\'an'
'Jos\'e Manuel Menendez'
'Oscar Gomis'
'Javier Ruiz-Fuertes'
'Juan Antonio Sans'
'Daniel Errandonea'
'Jos\'e Manuel Recio'
_publ_contact_author_address
; 
Departamento de Quimica-Fisica I
Universidad Complutense de Madrid
Avda Complutense s/n, E-28040, Madrid
Spain
;
_publ_contact_author_email       dsantamaria@quim.ucm.es
_publ_contact_author_name        'Dr. David Santamaria-Perez'
_publ_contact_author_phone       0034913945206
_publ_section_title
;
 Compression of Silver Sulfide: X-ray Diffraction Measurements and
 Total-Energy Calculations
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              5289
_journal_page_last               5298
_journal_paper_doi               10.1021/ic300236p
_journal_volume                  51
_journal_year                    2012
_chemical_formula_moiety         'Ag2 S'
_chemical_formula_sum            'Ag2 S'
_chemical_formula_weight         247.80
_chemical_name_common            'Silver sulfide'
_chemical_name_systematic        ' ?'
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_cell_angle_alpha                90.00000
_cell_angle_beta                 90.00000
_cell_angle_gamma                90.00000
_cell_formula_units_Z            4
_cell_length_a                   6.7250(12)
_cell_length_b                   4.1479(12)
_cell_length_c                   7.2945(11)
_cell_measurement_temperature    293
_cell_volume                     203.48(8)
_computing_structure_refinement  FULLPROF
_diffrn_ambient_temperature      293
_diffrn_detector                 CCD
_diffrn_detector_type            Atlas
_diffrn_measurement_device_type  'Xcalibur Oxford diffraction'
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.7107
_diffrn_source_target            Mo
_pd_char_colour                  black
_pd_instr_location               ' Synchrotron radiation'
_pd_meas_2theta_range_inc        0.021845
_pd_meas_2theta_range_max        18.17004
_pd_meas_2theta_range_min        3.83984
_pd_meas_number_of_points        658
_pd_meas_scan_method             step
_pd_proc_2theta_range_inc        0.021845
_pd_proc_2theta_range_max        18.1700
_pd_proc_2theta_range_min        3.8398
_pd_proc_ls_background_function  '32 background points'
_pd_proc_ls_pref_orient_corr     ' ?'
_pd_proc_ls_profile_function     pseudo-Voigt
_pd_proc_ls_prof_R_factor        0.068872
_pd_proc_ls_prof_wR_expected     0.040165
_pd_proc_ls_prof_wR_factor       0.101581
_pd_proc_wavelength              0.7107
_pd_spec_mount_mode              transmission
_pd_spec_shape                   cylinder
_pd_spec_size_axial              0.2
_pd_spec_size_equat              0.05
_refine_ls_number_parameters     13
_refine_ls_number_reflns         31
_refine_ls_number_restraints     0
_refine_ls_R_I_factor            0.025906
_[local]_cod_data_source_file    ic300236p_si_001_2.cif
_[local]_cod_data_source_block   Ag2S
_cod_database_code               4329108
_pd_proc_ls_prof_cr_factor       0.078007
_pd_proc_ls_prof_cwr_factor      0.108893
_pd_proc_ls_prof_cwr_expected    0.043057
_pd_proc_ls_prof_chi2            6.3961
_pd_proc_ls_prof_echi2           7.3952
loop_
_symmetry_equiv_pos_as_xyz
x,y,z
x+1/2,-y+1/2,-z
-x,y+1/2,-z+1/2
-x+1/2,-y,z+1/2
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_U_iso_or_equiv
_atom_site_occupancy
_atom_site_adp_type
_atom_site_type_symbol
Ag1 0.0285(7) 0.2303(12) 0.4079(14) 0.00000 1.00000 Uiso Ag
Ag2 0.1274(6) 0.4074(19) 0.8210(6) 0.00000 1.00000 Uiso Ag
S1 0.221(2) 0.157(4) 0.145(4) 0.00000 1.00000 Uiso S
loop_
_atom_type_symbol
_atom_type_scat_Cromer_Mann_a1
_atom_type_scat_Cromer_Mann_b1
_atom_type_scat_Cromer_Mann_a2
_atom_type_scat_Cromer_Mann_b2
_atom_type_scat_Cromer_Mann_a3
_atom_type_scat_Cromer_Mann_b3
_atom_type_scat_Cromer_Mann_a4
_atom_type_scat_Cromer_Mann_b4
_atom_type_scat_Cromer_Mann_c
_atom_type_scat_dispersion_real
_atom_type_scat_dispersion_imag
_atom_type_scat_source
ag 19.28080 0.64460 16.68850 7.47260 4.80450 24.66050 1.04630 99.81560 5.17900
-1.08500 1.10100
International_Tables_for_Crystallography_Vol.C(1991)_Tables_6.1.1.4_and_6.1.1.5
s 6.90530 1.46790 5.20340 22.21510 1.43790 0.25360 1.58630 56.17200 0.86690
0.11000 0.12400
International_Tables_for_Crystallography_Vol.C(1991)_Tables_6.1.1.4_and_6.1.1.5