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

using model chemistry: MP2=FULL/aug-cc-pVQZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at MP2=FULL/aug-cc-pVQZ
 hartrees
Energy at 0K-188.925679
Energy at 298.15K-188.926843
HF Energy-188.217523
Nuclear repulsion energy62.636063
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 MP2=FULL/aug-cc-pVQZ
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' 3009 2878 33.64      
2 A' 1763 1686 249.51      
3 A' 1362 1303 8.18      
4 A' 1059 1012 81.11      
5 A' 490 469 39.16      
6 A" 1017 973 0.26      

Unscaled Zero Point Vibrational Energy (zpe) 4349.5 cm-1
Scaled (by 0.9564) Zero Point Vibrational Energy (zpe) 4159.8 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 MP2=FULL/aug-cc-pVQZ
ABC
3.29428 0.41899 0.37171

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/aug-cc-pVQZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.356 0.000
H2 -0.320 1.410 0.000
O3 1.127 -0.049 0.000
O4 -1.087 -0.394 0.000

Atom - Atom Distances (Å)
  C1 H2 O3 O4
C11.10141.19811.3212
H21.10142.05541.9608
O31.19812.05542.2415
O41.32121.96082.2415

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 126.668 H2 C1 O4 107.729
O3 C1 O4 125.603
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability