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All results from a given calculation for HCNO (fulminic acid)

using model chemistry: CCD/aug-cc-pCVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C*V 1Σ
Energy calculated at CCD/aug-cc-pCVTZ
 hartrees
Energy at 0K-168.336397
Energy at 298.15K 
HF Energy-167.709879
Nuclear repulsion energy60.837500
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 CCD/aug-cc-pCVTZ
Rotational Constants (cm-1) from geometry optimized at CCD/aug-cc-pCVTZ
B
0.38791

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.176
N2 0.000 0.000 -0.021
C3 0.000 0.000 -1.171
H4 0.000 0.000 -2.231

Atom - Atom Distances (Å)
  O1 N2 C3 H4
O11.19682.34633.4061
N21.19681.14942.2093
C32.34631.14941.0599
H43.40612.20931.0599

picture of fulminic acid state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 N2 C3 180.000 N2 C3 H4 180.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability