Guyanaite Jahn S, Wunder B, Koch-Muller M, Tarrieu L, Pohle M, Watenphul A, Taran M N European Journal of Mineralogy 24 (2012) 839-850 Pressure-induced hydrogen bond symmetrisation in guyanaite, B-CrOOH: evidence from spectroscopy and ab initio simulations Sample: Run LT9 Locality: synthetic at 4.0 GPa and 600 deg C for 24 hours _database_code_amcsd 0019391 4.8623 4.2972 2.9567 90 90 90 P2_1nm atom x y z Cr 0 .256 0 O1 .364 .469 0 O2 .667 .003 0 H .5275 .2110 0