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Published online by Cambridge University Press: 10 January 2013
The X-ray powder diffraction pattern for the title compound is reported in the range 10<2θ<60°. The sample was purified by recrystallization and was indexed using the program DICVOL91 and TREOR90. Refined unit parameters for the orthorhombic system (Pnma or Pn21a) are: a=13.7098(8) Å, b=10.7153(7) Å, c=6.9473(4) Å, V=1020.59 Å3, Z=4, Dx=2.50 g cm−3. M20=49, F30=93(0.0075, 43).