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All results from a given calculation for C2H3NO (Nitrosoethylene)

using model chemistry: CCSD/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CCSD/6-311G**
 hartrees
Energy at 0K-207.394370
Energy at 298.15K 
HF Energy-206.727211
Nuclear repulsion energy104.325083
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/6-311G**
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' 3281 3281 2.00      
2 A' 3204 3204 4.77      
3 A' 3178 3178 1.30      
4 A' 1699 1699 2.90      
5 A' 1645 1645 63.70      
6 A' 1432 1432 10.87      
7 A' 1291 1291 1.53      
8 A' 1163 1163 47.61      
9 A' 900 900 20.91      
10 A' 618 618 0.98      
11 A' 351 351 1.74      
12 A" 1002 1002 38.44      
13 A" 970 970 17.97      
14 A" 677 677 1.33      
15 A" 161 161 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 10784.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10784.9 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/6-311G**
ABC
1.75310 0.16864 0.15384

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.208 1.228 0.000
C2 0.000 0.652 0.000
N3 -0.045 -0.792 0.000
O4 -1.176 -1.227 0.000
H5 2.098 0.606 0.000
H6 1.328 2.306 0.000
H7 -0.957 1.171 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7
C11.33812.37703.42191.08631.08492.1657
C21.33811.44512.21692.09892.12131.0883
N32.37701.44511.21162.55863.38902.1644
O43.42192.21691.21163.75204.33072.4079
H51.08632.09892.55863.75201.86683.1071
H61.08492.12133.38904.33071.86682.5519
H72.16571.08832.16442.40793.10712.5519

picture of Nitrosoethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 117.255 C1 C2 H7 126.077
C2 C1 H5 119.565 C2 C1 H6 121.851
C2 N3 O4 112.826 N3 C2 H7 116.667
H5 C1 H6 118.584
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability