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

using model chemistry: QCISD/aug-cc-pVDZ

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/aug-cc-pVDZ
 hartrees
Energy at 0K-188.659408
Energy at 298.15K-188.660646
HF Energy-188.148380
Nuclear repulsion energy62.805217
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/aug-cc-pVDZ
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' 3101 3004 29.17      
2 A' 1458 1412 55.67      
3 A' 1277 1237 92.20      
4 A' 1156 1119 30.52      
5 A' 594 575 25.44      
6 A" 1017 985 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 4300.7 cm-1
Scaled (by 0.9687) Zero Point Vibrational Energy (zpe) 4166.1 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/aug-cc-pVDZ
ABC
2.61104 0.45682 0.38880

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.420 0.000
H2 -0.072 1.524 0.000
O3 1.078 -0.212 0.000
O4 -1.069 -0.294 0.000

Atom - Atom Distances (Å)
  C1 H2 O3 O4
C11.10571.24931.2855
H21.10572.08152.0732
O31.24932.08152.1479
O41.28552.07322.1479

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 124.112 H2 C1 O4 120.041
O3 C1 O4 115.847
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability