#------------------------------------------------------------------------------
#$Date: 2013-07-22 17:12:00 +0000 $
#$Revision: 001 $ Daniel Chateigner
#------------------------------------------------------------------------------
#
# This file is available in the Material Properties Open Database (MPOD),
# http://www.mpod.net/
#
# 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_1000320
_cod_database_code ?
_structure_refined 'no'
_phase_name 'triglycine-zinc chloride'
_phase_formula '(NH3CH2COO)3-ZnCl2'
_chemical_formula_sum 'N3 H15 C6 O6 Zn1 Cl2'
_symmetry_point_group_name_H-M 'm m 2'
_cell_length_a                     11.230
_cell_length_b                     15.251
_cell_length_c                     15.564
_cell_angle_alpha                  90.
_cell_angle_beta                   90.
_cell_angle_gamma                  90.

loop_
_publ_author_name
'Tylczynski, Z.'
'Trzaskowska, A.'
_publ_section_title
;
Elastic and elasto-optical properties of triglycine-zinc chloride crystal
;
_journal_name_full               'Journal of Applied Physics'
_journal_volume                  114
_journal_issue                   3
_journal_article_reference       033529
_journal_pages_number            4
_journal_year                    2013
_phase_density 1801

_prop_measurement_method 'BS'
_prop_elastic_stiffness_cij 'cij'
_prop_optical_index_principal_Ni 'Ni'
_prop_photoelastic_pij 'pij'

loop_
_prop_data_label
_prop_data_tensorial_index
_prop_data_value
_prop_conditions_temperature
cij 11 29.1(1) 298
cij 12 1.8(3) 298
cij 13 1.4(3) 298
cij 22 33.5(2) 298
cij 23 19.8(3) 298
cij 33 26.0(1) 298
cij 44 5.9(1) 298
cij 55 12.9(1) 298
cij 66 16.0(1) 298
Ni 1 1.603 298
Ni 2 1.571 298
Ni 3 1.552 298
pij 11 1.308(10) ?
pij 12 0.776(20) ?
pij 13 0.814(20) ?
pij 21 ? ?
pij 22 0.302(20) ?
pij 23 0.541(20) ?
pij 31 ? ?
pij 32 ? ?
pij 33 0.70(4) ?
pij 44 0.061(10) ?
pij 55 0.069(20) ?
pij 66 0.063(40) ?