#------------------------------------------------------------------------------
#$Date: 2016-02-16 02:10:39 +0100 (mar 16 de feb de 2016) $
#$Revision: 176453 $
#$URL: svn://www.crystallography.net/cod/cif/7/20/06/7200690.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_7200690
loop_
_publ_author_name
'Verbraeken, Maarten C.'
'Suard, Emmanuelle'
'Irvine, John T. S.'
_publ_section_title
;
 Structural and electrical properties of calcium and strontium hydrides
;
_journal_issue                   18
_journal_name_full               'Journal of Materials Chemistry'
_journal_page_first              2766
_journal_paper_doi               10.1039/b820173k
_journal_volume                  19
_journal_year                    2009
_chemical_formula_structural     Sr0.999Na0.001D1.87
_chemical_formula_sum            'D1.87 Na0.001 Sr0.999'
_chemical_formula_weight         91.31
_chemical_name_systematic        ' ?'
_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'
_cell_angle_alpha                90.00000
_cell_angle_beta                 90.00000
_cell_angle_gamma                90.00000
_cell_formula_units_Z            4
_cell_length_a                   6.36729(9)
_cell_length_b                   3.86346(6)
_cell_length_c                   7.30807(11)
_cell_measurement_temperature    298
_cell_volume                     179.777(5)
_computing_structure_refinement  FULLPROF
_diffrn_ambient_temperature      298
_diffrn_radiation_probe          neutron
_diffrn_radiation_type           'Constant Wavelength Neutron Diffraction'
_diffrn_radiation_wavelength     1.90946
_diffrn_source                   'nuclear reactor'
_diffrn_source_type              'D1A, ILL Grenoble'
_pd_instr_location               'ILL, Grenoble'
_pd_meas_2theta_range_inc        0.050016
_pd_meas_2theta_range_max        157.95000
_pd_meas_2theta_range_min        0.00000
_pd_meas_number_of_points        3160
_pd_meas_scan_method             step
_pd_proc_2theta_range_inc        0.050016
_pd_proc_2theta_range_max        158.8680
_pd_proc_2theta_range_min        0.9180
_pd_proc_info_excluded_regions   '0.00 - 5.00'
_pd_proc_ls_background_function
'linear interpolation between a set of background points'
_pd_proc_ls_pref_orient_corr     ' ?'
_pd_proc_ls_profile_function     pseudo-voigt
_pd_proc_ls_prof_R_factor        3.1872
_pd_proc_ls_prof_wR_expected     2.5140
_pd_proc_ls_prof_wR_factor       4.0363
_pd_proc_wavelength              1.909458
_refine_ls_number_parameters     30
_refine_ls_number_reflns         121
_refine_ls_number_restraints     0
_refine_ls_R_I_factor            4.4178
_cod_data_source_file            b820173k.txt
_cod_data_source_block           Sr1-xNaxD2-y
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Orthorhombic' changed to 'orthorhombic'
according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic'
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 
;
_cod_original_cell_volume        179.777(4)
_cod_original_sg_symbol_H-M      'P N M A'
_cod_original_formula_sum        'Sr0.999 Na0.001 D1.87'
_cod_database_code               7200690
#BEGIN Tags that were not found in dictionaries:
_pd_proc_ls_prof_cr_factor       10.3973
_pd_proc_ls_prof_cwr_factor      8.9950
_pd_proc_ls_prof_cwr_expected    5.6026
_pd_proc_ls_prof_chi2            2.5777
_pd_proc_ls_prof_echi2           2.7748
#END Tags that were not found in dictionaries
loop_
_symmetry_equiv_pos_as_xyz
x,y,z
x+1/2,-y+1/2,-z+1/2
-x,y+1/2,-z
-x+1/2,-y,z+1/2
-x,-y,-z
-x+1/2,y+1/2,z+1/2
x,-y+1/2,z
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
Sr 0.2398(2) 0.25000 0.11057(13) 0.0073(4) 1.00000 Uiso Sr
Na 0.2398(2) 0.25000 0.11057(13) 0.0073(4) 0.00100 Uiso Na
D1 0.3538(2) 0.25000 0.42673(18) 0.0176(5) 0.956(6) Uiso D
D2 0.9736(3) 0.25000 0.67819(18) 0.0243(6) 0.912(5) Uiso D
loop_
_atom_site_aniso_label
_atom_site_aniso_U_11
_atom_site_aniso_U_22
_atom_site_aniso_U_33
_atom_site_aniso_U_12
_atom_site_aniso_U_13
_atom_site_aniso_U_23
_atom_site_aniso_type_symbol
Sr 0.0069(6) 0.0064(6) 0.0089(6) 0.00000 -0.0010(5) 0.00000 Sr
Na 0.0069(6) 0.0064(6) 0.0089(6) 0.00000 -0.0010(5) 0.00000 Na
D1 0.0208(9) 0.0173(10) 0.0148(8) 0.00000 -0.0010(7) 0.00000 D
D2 0.0223(9) 0.0267(9) 0.0245(9) 0.00000 -0.0016(8) 0.00000 D
loop_
_atom_type_symbol
_atom_type_scat_length_neutron
_atom_type_scat_source
Sr 0.70200 V.F._Sears_Neutron_News_3_26_(1992)
Na 0.36300 V.F._Sears_Neutron_News_3_26_(1992)
D 0.66710 V.F._Sears_Neutron_News_3_26_(1992)
loop_
_geom_angle_atom_site_label_1
_geom_angle_atom_site_label_2
_geom_angle_atom_site_label_3
_geom_angle
D1 Sr D1 113.77(9)
D1 Sr D1 126.99(8)
D1 Sr D1 72.24(6)
D1 Sr D1 105.47(3)
D1 Sr D2 127.36(10)
D1 Sr D2 67.81(6)
D1 Sr D2 67.87(6)
D1 Sr D2 118.87(10)
D1 Sr D2 65.27(6)
D1 Sr D2 133.72(10)
D1 Sr D2 71.90(7)
D1 Sr D2 68.88(6)
D1 Sr D2 136.84(6)
D1 Sr D2 72.43(7)
D1 Sr D2 146.69(7)
D2 Sr D2 136.44(10)
D2 Sr D2 76.13(7)
D2 Sr D2 86.41(4)
D2 Sr D2 74.68(8)
D2 Sr D2 135.59(8)
D2 Sr D2 91.23(5)
loop_
_geom_bond_atom_site_label_1
_geom_bond_atom_site_label_2
_geom_bond_distance
Sr D1 2.422(2)
Sr D1 2.473(2)
Sr D1 2.427(1)
Sr D2 2.583(2)
Sr D2 2.822(1)
Sr D2 2.703(2)
