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

using model chemistry: CCSD/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 CCSD/aug-cc-pVDZ
 hartrees
Energy at 0K-188.652148
Energy at 298.15K-188.653149
HF Energy-188.158029
Nuclear repulsion energy62.024083
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 CCSD/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' 3007 2897 26.54      
2 A' 1729 1666 219.64      
3 A' 1352 1303 7.88      
4 A' 1048 1010 90.87      
5 A' 323 311 48.51      
6 A" 1007 970 0.07      

Unscaled Zero Point Vibrational Energy (zpe) 4232.7 cm-1
Scaled (by 0.9634) Zero Point Vibrational Energy (zpe) 4077.8 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 CCSD/aug-cc-pVDZ
ABC
3.10806 0.41527 0.36633

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.371 0.000
H2 -0.307 1.442 0.000
O3 1.131 -0.056 0.000
O4 -1.093 -0.402 0.000

Atom - Atom Distances (Å)
  C1 H2 O3 O4
C11.11401.20911.3388
H21.11402.07602.0046
O31.20912.07602.2514
O41.33882.00462.2514

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 126.621 H2 C1 O4 109.288
O3 C1 O4 124.091
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability