#------------------------------------------------------------------------------
#$Date: 2011-04-08 11:08:00 +0000 $
#$Revision: 001 $
#------------------------------------------------------------------------------
#
# This file is available in the Material Properties Open Database (MPOD),
# http://www.materialproperties.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_1000177
_cod_database_code               2217854
_structure_refined 'no'
_phase_name 'Rochelle salt'
_phase_formula 'KNa(C4H4O6);4H2O' 
_chemical_formula_sum 'K Na C4 H12 O10'
_symmetry_point_group_name_H-M '2 2 2'
_cell_length_a  11.7859
_cell_length_b  14.1972
_cell_length_c  6.1875
_cell_angle_alpha  90
_cell_angle_beta   90
_cell_angle_gamma  90
loop_
_publ_author_name
'Mandell, W.'
_publ_section_title
;
 Determination of the elastic moduli of the piezo-electric crystal Rochelle salt by a statical method
;
_journal_name_full               'Proceedings of the Royal Society A'
_journal_volume                  116
_journal_issue                   775
_journal_page_first              623
_journal_page_last               636
_journal_year                    1927
_prop_measurement_method 'Static'
_prop_conditions_temperature ?
_prop_elastic_compliance_sij 'sij'
_prop_elastic_stiffness_cij 'cij'
loop_
_prop_data_label
_prop_data_tensorial_index
_prop_data_value
sij 11 46.9
sij 12 -7.95
sij 13 -21.8
sij 22 32.05
sij 23 -16.9
sij 33 28.15
sij 44 60.6
sij 55 306
sij 66 80.2
cij 11 34.7
cij 12 -8.05
cij 13 31.6
cij 22 47.3
cij 23 -34.4
cij 33 80.6
cij 44 16.35
cij 55 3.24
cij 66 12.42