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All results from a given calculation for C2H3NO (Nitrosoethylene)

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 1A'
Energy calculated at CCSD/aug-cc-pVDZ
 hartrees
Energy at 0K-207.369887
Energy at 298.15K 
HF Energy-206.707050
Nuclear repulsion energy103.702205
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' 3281 3161 1.30      
2 A' 3201 3084 3.99      
3 A' 3173 3057 1.30      
4 A' 1689 1627 1.63      
5 A' 1605 1546 82.45      
6 A' 1420 1368 12.33      
7 A' 1282 1235 1.43      
8 A' 1153 1111 55.61      
9 A' 894 862 21.89      
10 A' 607 585 0.78      
11 A' 347 334 1.35      
12 A" 993 957 51.56      
13 A" 971 935 3.41      
14 A" 669 644 1.49      
15 A" 166 160 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 10724.4 cm-1
Scaled (by 0.9634) Zero Point Vibrational Energy (zpe) 10331.9 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/aug-cc-pVDZ
ABC
1.73044 0.16690 0.15222

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 1.220 1.228 0.000
C2 0.000 0.654 0.000
N3 -0.046 -0.792 0.000
O4 -1.187 -1.231 0.000
H5 2.117 0.602 0.000
H6 1.340 2.315 0.000
H7 -0.960 1.183 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7
C11.34872.38503.44141.09441.09312.1812
C21.34871.44742.22772.11812.13391.0964
N32.38501.44741.22202.57403.40262.1768
O43.44142.22771.22203.77854.35422.4247
H51.09442.11812.57403.77851.88153.1323
H61.09312.13393.40264.35421.88152.5638
H72.18121.09642.17682.42473.13232.5638

picture of Nitrosoethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 117.031 C1 C2 H7 125.962
C2 C1 H5 119.861 C2 C1 H6 121.482
C2 N3 O4 112.869 N3 C2 H7 117.007
H5 C1 H6 118.657
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability