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# RHF/3-21G Field=x+60 Opt=Z-Matrix NoSymm

Z-Matrix optimization

0 1
C
H 1 B1
H 1 B2 2 A1
H 1 B3 2 A2 3 D1
H 1 B4 2 A3 3 D2
B1 1.070000
B2 1.070000
B3 1.070000
B4 1.070000
A1 109.471203
A2 109.471203
A3 109.471231
D1 120.000015
D2 -119.999993

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# HF/6-31G(d) Opt=Z-Matrix Field=z-50 NoSymm

Symbolic Cartesian coordinates optimization

0 1
O 0 x1 y1 z1
H 0 x2 y2 z2
H 0 x3 y3 z3
x1=0.0
y1=0.0
z1=0.12
x2=0.0
y2=0.75
z2=-0.46
x3=0.0
y3=-0.75
z3=-0.46

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#p CCSD(t)/6-311++G(2df,2p) Nosymm integral(grid=ultrafine) scf(tight) Field=read

ENERGY (0)

0,1
A1                0.000000 0.000000 -4.676318
A2                 0.000000 0.000000 -2.712109
A3               0.000000 0.000000 -1.538111
B1-Bq           0.000000 0.000000 0.441336
B2-Bq          0.000000 0.000000 2.421625
B3-Bq          0.000000 0.000000 3.602090

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#p CCSD(t)/6-311++G(2df,2p) Nosymm integral(grid=ultrafine) scf(tight) Field=read

0,1
A1                0.000000 0.000000 -4.676318
A2                 0.000000 0.000000 -2.712109
A3               0.000000 0.000000 -1.538111
B1-Bq           0.000000 0.000000 0.441336
B2-Bq          0.000000 0.000000 2.421625
B3-Bq          0.000000 0.000000 3.602090

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