... Stephen E. Gottschling, Andreas J. Guivernau Jacobs, Michael C. Jennings & Kim M. Baines1 Department of ... Volume 4335.53(14) Å3 Z 4 Density (calculated) 1.235 Mg/m3 Absorption coefficient 1.445 mm−1 F ... 1) 9858(1) –2416(1) 45(1) Si –7463(1) 11194(1) –3049(1) 46(1) C ...