Citation: Hoenle, W.; Schmettow, W.; Peters, K.; von Schnering, H.G.; Chang Jenhui (2004). The henicosaphosphide iodides of potassium and rubidium, K4 P21 I and Rb4 P21 I. Zeitschrift fuer Anorganische und Allgemeine Chemie, 630, pp. 1858-1862.
Formula: I K4 P21
Chemical name: K4 P21 I
List type: interleaving
List: 2D
Basis: (0;1;0 0;0;1)
Dimensionality: 2
Formula: P42 (P)
Multiplicity: 1
Coordination sequences: