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All results from a given calculation for C2H3NO (Nitrosoethylene)

using model chemistry: QCISD(T)/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at QCISD(T)/cc-pVTZ
 hartrees
Energy at 0K-207.556983
Energy at 298.15K 
HF Energy-206.751003
Nuclear repulsion energy104.237362
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(T)/cc-pVTZ
Rotational Constants (cm-1) from geometry optimized at QCISD(T)/cc-pVTZ
ABC
1.75486 0.16867 0.15388

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.208 1.227 0.000
C2 0.000 0.650 0.000
N3 -0.039 -0.787 0.000
O4 -1.180 -1.228 0.000
H5 2.094 0.604 0.000
H6 1.326 2.302 0.000
H7 -0.954 1.166 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7
C11.33922.36913.42531.08301.08132.1631
C21.33921.43732.21792.09492.11831.0848
N32.36911.43731.22332.54713.37712.1569
O43.42532.21791.22333.75244.32902.4050
H51.08302.09492.54713.75241.86363.0997
H61.08132.11833.37714.32901.86362.5469
H72.16311.08482.15692.40503.09972.5469

picture of Nitrosoethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 117.101 C1 C2 H7 126.028
C2 C1 H5 119.360 C2 C1 H6 121.771
C2 N3 O4 112.693 N3 C2 H7 116.871
H5 C1 H6 118.869
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability