Silicon dimer, ID: C12597352 NIST 24032806072D 1 1.00000 0.00000 Copyright by the U.S. Sec. Commerce on behalf of U.S.A. All rights reserved. 2 1 0 0 0 3 V2000 0.0000 0.0000 0.0000 Si 0 0 0 0 0 0 0 0 0 1.0000 0.0000 0.0000 Si 0 0 0 0 0 0 0 0 0 1 2 3 0 0 0 M RAD 1 1 2 M RAD 1 2 2 M END