The reactio
n of copper(II) sulfate, copper(II) chloride, 3,5-diacetylami
no-1,2,4-triazole, a
nd 3-acetylami
no-5-ami
no-1,2,4-triazole i
n water yields gree
n, plate-shaped crystals of [[{Cu
3(
ntities/mgr.gif">
3-OH
1/2)L(H
2O)
2Cl}
2{
ntities/mgr.gif">-Cu(H
2O)
2Cl
2}]·12H
2O]
n (
1), where L is a
newtriazole-derived macrocyclic liga
nd. The structure of
1 co
nsists ofhepta
nuclear (H)OCu
II3-Cu
II-Cu
II3O(H) e
ntities li
nked i
n pairsthrough symmetric
ntities/mgr.gif">
3-O···H···O-
ntities/mgr.gif">
3 hydroge
n bo
nds to form adouble-stra
nded o
ne-dime
nsio
nal
network. A sig
nifica
nt overalla
ntiferromag
netic behavior has bee
n observed for
1.