The structural features of the hexagonal layered crystal structure of Be
2Ru (
a=5.7508(3) Å,
c=3.0044(2) Å, space group
P
2
m) were investigated by single crystal X‐ray diffraction and transmission electron microscopy (TEM). The residual electron density and high‐resolution TEM images show that the real structure can be described as an intergrowth of the main hexagonal matrix of the...