$coord
.00000000000000 .00000000000000 .00000000000000 ta
2.19392179448315 -3.79998401587749 .00000000000000 cl
2.19392179448315 3.79998401587749 .00000000000000 cl
-4.38784358896629 .00000000000000 .00000000000000 cl
.00000000000000 .00000000000000 4.46615918865523 cl
.00000000000000 .00000000000000 -4.46615918865523 cl
$intdef
# definitions of internal coordinates
1 k 1.0000000000000 stre 1 2 val= 4.38784
2 k 1.0000000000000 stre 1 5 val= 4.46616
$end