$coord .00000000000000 .00000000000000 -1.00494155217173 n 1.85766051386774 .00000000000000 .50247077608587 o -1.85766051386774 .00000000000000 .50247077608587 o $intdef # definitions of internal coordinates 1 k 1.0000000000000 stre 2 1 val= 2.39232 2 d 1.0000000000000 stre 3 1 val= 2.39232 3 k 1.0000000000000 bend 2 3 1 val= 101.88429 $end