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All results from a given calculation for HCOOH (Formic acid)

using model chemistry: QCISD(TQ)/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at QCISD(TQ)/6-311+G(3df,2p)
 hartrees
Energy at 0K-189.500567
Energy at 298.15K 
HF Energy-188.840053
Nuclear repulsion energy70.268982
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at QCISD(TQ)/6-311+G(3df,2p)
Rotational Constants (cm-1) from geometry optimized at QCISD(TQ)/6-311+G(3df,2p)
ABC
2.59848 0.40288 0.34880

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(TQ)/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.421 0.000
O2 -1.030 -0.441 0.000
O3 1.158 0.110 0.000
H4 -0.374 1.451 0.000
H5 -0.651 -1.331 0.000

Atom - Atom Distances (Å)
  C1 O2 O3 H4 H5
C11.34361.19961.09531.8694
O21.34362.25702.00240.9675
O31.19962.25702.03642.3129
H41.09532.00242.03642.7956
H51.86940.96752.31292.7956

picture of Formic acid state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H5 106.842 O2 C1 O3 125.012
O2 C1 H4 109.957 O3 C1 H4 125.031
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability