INS

title oxonium
gap 0.8
box 30 30 30 
atoms  water 4  Facid 1 oxon 1 He 1
pop 100
restart 1
memory 2048 4
header
# b3lyp/genecp opt(MaxC=100) maxdisk=1gb scfcyc=256
0 1
Facid
C      0.000000    0.421758    0.000000
H     -0.385234    1.449334    0.000000
O      1.159685    0.117050    0.000000
O     -1.028840   -0.446404    0.000000
water
O      0.000000    0.000000    0.117059
H      0.000000    0.763523   -0.468238
H      0.000000   -0.763523   -0.468238
oxon
O       -0.001693    0.004110   -0.091027
H       -0.912868   -0.120631    0.245000
H        0.560019   -0.734512    0.234321
H        0.366397    0.822267    0.248896



>TAIL - SHOULD BE AT LEAST 1 EMPTY LINE BEFORE IT
C O 0
6-31+G*
****
H He 0
3-21g
****



>ENDTAIL - END of TAIL Block， Remove the whole block when needed