function cdef = generic_urea()

%% common informations
cdef.name = 'Urea';
%cdef.source.author = '';
cdef.source.title = 'webmineral.com';
cdef.source.more = 'http://webmineral.com/data/Urea';
cdef.isGeneric = 1;            
%cdef.info = '';

%% symmetry information
cdef.sym.defined = 14;                
% tetragonal, H-M: -42m

%% lattice informations
cdef.lat.unit_angle = 'degree';      %
cdef.lat.unit_length = 'aengstroem'; %
cdef.lat.a = 5.646;
cdef.lat.b = 5.646;
cdef.lat.c = 4.701;
cdef.lat.alpha = 90;
cdef.lat.beta  = 90;
cdef.lat.gamma = 90;

%% Miller indices
cdef.millerDefined = [1 1 0; 1 1 1];
cdef.millerGeneric = [0 0 1; -1 -1 -1];