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All results from a given calculation for HCOO (formate neutral radical)

using model chemistry: QCISD/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at QCISD/6-311G*
 hartrees
Energy at 0K-188.673411
Energy at 298.15K-188.674656
HF Energy-188.167744
Nuclear repulsion energy63.271023
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/6-311G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3078 2947 47.72      
2 A' 1493 1429 67.07      
3 A' 1302 1247 93.06      
4 A' 1131 1083 82.64      
5 A' 611 585 31.59      
6 A" 1034 990 0.30      

Unscaled Zero Point Vibrational Energy (zpe) 4324.3 cm-1
Scaled (by 0.9574) Zero Point Vibrational Energy (zpe) 4140.1 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at QCISD/6-311G*
ABC
2.69407 0.46077 0.39348

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.412 0.000
H2 -0.078 1.509 0.000
O3 1.073 -0.203 0.000
O4 -1.063 -0.294 0.000

Atom - Atom Distances (Å)
  C1 H2 O3 O4
C11.10041.23681.2764
H21.10042.06332.0550
O31.23682.06332.1387
O41.27642.05502.1387

picture of formate neutral radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 O3 123.869 H2 C1 O4 119.499
O3 C1 O4 116.632
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability