Crystallographic data collection.^*

*Values in parentheses are the data for the highest resolution shell. aData ellipsoidal truncation and anisotropic scaling were applied using the UCLA MBI Diffraction Anisotropy Server [54] to correct for strong anisotropy. b, where I is the observed intensity, and is the average intensity of the multiple observations of symmetry-related reflections. cFigure of merit after density modification. dCorrelation coefficient all/weak as defined by program SHELX.