Citation: Birkedal, Henrik; Krogh Andersen, Anne Marie; Arakcheeva, Alla; Chapuis, Gervais; Norby, Poul; Pattison, Philip (2006). The Room-Temperature Superstructure of ZrP2O7Is Orthorhombic: There Are No Unusual 180\% P−O−P Bond Angles. Inorganic Chemistry, 45, pp. 4346-4351.