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All results from a given calculation for C2H3NO (Nitrosoethylene)

using model chemistry: CCSD/6-311+G(3df,2p)

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/6-311+G(3df,2p)
 hartrees
Energy at 0K-207.516434
Energy at 298.15K 
HF Energy-206.751355
Nuclear repulsion energy104.809910
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/6-311+G(3df,2p)
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' 3283 3096 0.49      
2 A' 3206 3023 3.32      
3 A' 3179 2998 0.68      
4 A' 1702 1605 2.77      
5 A' 1640 1546 85.22      
6 A' 1435 1353 13.71      
7 A' 1300 1226 1.10      
8 A' 1170 1103 54.91      
9 A' 906 854 21.28      
10 A' 618 583 1.01      
11 A' 354 334 1.31      
12 A" 1007 950 30.51      
13 A" 1002 945 25.54      
14 A" 689 650 1.53      
15 A" 172 162 0.04      

Unscaled Zero Point Vibrational Energy (zpe) 10830.7 cm-1
Scaled (by 0.9431) Zero Point Vibrational Energy (zpe) 10214.4 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/6-311+G(3df,2p)
ABC
1.77584 0.17015 0.15527

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.204 1.220 0.000
C2 0.000 0.650 0.000
N3 -0.046 -0.784 0.000
O4 -1.170 -1.225 0.000
H5 2.091 0.601 0.000
H6 1.322 2.294 0.000
H7 -0.952 1.169 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7
C11.33162.36123.40751.08201.08042.1563
C21.33161.43452.21002.09152.10931.0842
N32.36121.43451.20782.54623.36772.1524
O43.40752.21001.20783.73744.31162.4032
H51.08202.09152.54623.73741.85933.0956
H61.08042.10933.36774.31161.85932.5372
H72.15631.08422.15242.40323.09562.5372

picture of Nitrosoethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 117.164 C1 C2 H7 126.098
C2 C1 H5 119.770 C2 C1 H6 121.623
C2 N3 O4 113.249 N3 C2 H7 116.737
H5 C1 H6 118.607
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability