E. Kemnitz et al., POTASSIUM HYDROGENSULFATE DIHYDROGENSULFA TE, K(HSO4)(H2SO4) SYNTHESIS AND CRYSTAL-STRUCTURE, Zeitschrift fur anorganische und allgemeine Chemie, 621(6), 1995, pp. 1075-1079
Citations number
15
Categorie Soggetti
Chemistry Inorganic & Nuclear
Journal title
Zeitschrift fur anorganische und allgemeine Chemie
Single crystals with the composition KH3(SO4)(2) have been synthesized
from the system Potassium sulfate/sulfuric acid. The hitherto crystal
lographically not investigated compound crystallizes in the monoclinic
space group P2(1)/c (14) with the unit cell parameters a = 7.654(3),
b = 11.473(5) and c = 8.643(3) Angstrom, beta = 112.43(3)degrees, V =
701.6 Angstrom(3), Z = 4 and D-x = 2.22 g . cm(-3). The structure cont
ains two types of tetrahedra, SO3(OH) and SO2(OH)(2)). These tetrahedr
a form tetramers via hydrogen bonds consisting of both, two SO3(OH) an
d two SO2(OH)(2) tetrahedra. The tetramers are linked to each other vi
a hydrogen bonds. Potassium is coordinated by 9 oxygen atoms which bel
ong to both kinds of tetrahedra. These potassium oxygen polyhedra are
connected by common faces forming chains running parallel z.