Special Conditions

 

The table below shows the special conditions implemented in equiv, together with the codes to be supplied with the COND card (see the Keywords section). The symbol Q means that the hkl indexes are permutable.

 Special condition Code
h+k+l = 2n 1
h or k or l = 4n 2
h or k or l = 2n 3
0kl: k, l =2n Q 4
hhl: 2h+l = 4n Q 5
h00: h=4n Q 6
-h+k+l = 3n 7
00l: l= 6n 8
0kl, hhl: l= 2n, h+l=3n 9
hk0: h+k = 2n 10
0kl: k+l = 2n 11
hhl: l = 2n 12
00l: l= 2n 13
h00: h = 2n 14
h+k = 2n 15
h0l: h = 2n 16
h0l: l = 2n 17
0k0: k = 2n 18
h+k, h+l, k+l even 19
hhl: l = 2n 20