Room temperature X-ray powder diffraction data were collected at the Advanced Photon Source beamline 11-BM at Argonne National Laboratory (λ = 0.457913 Å). Time-offlight neutron powder diffraction data were collected at the POWGEN instrument at Oak Ridge National Laboratory's Spallation Neutron Source. Data collection occurred at 300 K and 6.4 K with additional data collected during cooling from 80 K to 9 K at 0.8 K/min.