Ge bcc SW_DingAndersen_1986_Ge__MO_775478537242_000 3.4649993255734453 C11 = 672.589071 +/- 0.007336 GPa C12 = 499.946324 +/- 0.005187 GPa C44 = 46.541015 +/- 0.001834 GPa B = 557.493906 +/- 0.004235 GPa