return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for C2H3NO (Nitrosoethylene)

using model chemistry: wB97X-D/LANL2DZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at wB97X-D/LANL2DZ
 hartrees
Energy at 0K-207.770580
Energy at 298.15K 
HF Energy-207.770580
Nuclear repulsion energy102.973899
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 wB97X-D/LANL2DZ
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' 3324 3324 4.79 56.80 0.67 0.80
2 A' 3224 3224 8.98 146.35 0.16 0.28
3 A' 3200 3200 2.78 24.15 0.21 0.34
4 A' 1704 1704 3.73 70.72 0.18 0.30
5 A' 1524 1524 108.94 72.47 0.29 0.45
6 A' 1452 1452 29.06 24.27 0.38 0.55
7 A' 1305 1305 1.33 11.61 0.53 0.69
8 A' 1171 1171 55.05 30.48 0.58 0.74
9 A' 914 914 36.52 0.72 0.75 0.86
10 A' 606 606 3.45 8.59 0.32 0.48
11 A' 343 343 1.13 0.50 0.70 0.82
12 A" 1070 1070 50.84 6.59 0.75 0.86
13 A" 1029 1029 48.37 1.49 0.75 0.86
14 A" 698 698 2.06 6.11 0.75 0.86
15 A" 182 182 0.21 1.06 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10872.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10872.5 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 wB97X-D/LANL2DZ
ABC
1.73904 0.16433 0.15014

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/LANL2DZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.209 1.248 0.000
C2 0.000 0.659 0.000
N3 -0.029 -0.786 0.000
O4 -1.190 -1.262 0.000
H5 2.110 0.641 0.000
H6 1.315 2.327 0.000
H7 -0.952 1.187 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7
C11.34482.38113.47241.08621.08412.1619
C21.34481.44532.26002.11002.12421.0888
N32.38111.44531.25512.57143.39082.1784
O43.47242.26001.25513.80974.37722.4609
H51.08622.11002.57143.80971.86353.1103
H61.08412.12423.39084.37721.86352.5378
H72.16191.08882.17842.46093.11032.5378

picture of Nitrosoethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 117.126 C1 C2 H7 125.004
C2 C1 H5 120.064 C2 C1 H6 121.608
C2 N3 O4 113.448 N3 C2 H7 117.869
H5 C1 H6 118.328
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/LANL2DZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.424      
2 C -0.108      
3 N 0.036      
4 O -0.226      
5 H 0.241      
6 H 0.232      
7 H 0.249      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.575 3.488 0.000 3.827
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.529 -0.390 0.000
y -0.390 -23.574 0.000
z 0.000 0.000 -23.736
Traceless
 xyz
x 1.126 -0.390 0.000
y -0.390 -0.442 0.000
z 0.000 0.000 -0.684
Polar
3z2-r2-1.368
x2-y21.045
xy-0.390
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.447 2.502 0.000
y 2.502 5.760 0.000
z 0.000 0.000 1.942


<r2> (average value of r2) Å2
<r2> 77.993
(<r2>)1/2 8.831