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All results from a given calculation for C2H3NO (Nitrosoethylene)

using model chemistry: B3PW91/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/6-31G**
 hartrees
Energy at 0K-207.800446
Energy at 298.15K 
HF Energy-207.800446
Nuclear repulsion energy104.556003
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 B3PW91/6-31G**
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 3147 0.80      
2 A' 3189 3056 4.58      
3 A' 3171 3039 4.29      
4 A' 1703 1632 2.66      
5 A' 1629 1561 118.01      
6 A' 1416 1357 21.87      
7 A' 1284 1230 1.38      
8 A' 1155 1107 69.06      
9 A' 899 862 27.58      
10 A' 614 588 1.86      
11 A' 341 327 1.32      
12 A" 1011 969 36.66      
13 A" 1002 960 18.40      
14 A" 680 652 0.51      
15 A" 180 172 0.09      

Unscaled Zero Point Vibrational Energy (zpe) 10777.9 cm-1
Scaled (by 0.9584) Zero Point Vibrational Energy (zpe) 10329.6 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 B3PW91/6-31G**
ABC
1.76875 0.16981 0.15494

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.209 1.216 0.000
C2 0.000 0.647 0.000
N3 -0.044 -0.779 0.000
O4 -1.179 -1.224 0.000
H5 2.095 0.588 0.000
H6 1.339 2.293 0.000
H7 -0.951 1.178 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7
C11.33622.35553.41391.08631.08472.1604
C21.33621.42612.21102.09582.12231.0897
N32.35551.42611.21942.53803.36872.1571
O43.41392.21101.21943.74184.32552.4128
H51.08632.09582.53803.74181.86503.1029
H61.08472.12233.36874.32551.86502.5475
H72.16041.08972.15712.41283.10292.5475

picture of Nitrosoethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 116.981 C1 C2 H7 125.581
C2 C1 H5 119.441 C2 C1 H6 122.141
C2 N3 O4 113.165 N3 C2 H7 117.438
H5 C1 H6 118.418
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.259      
2 C 0.064      
3 N -0.001      
4 O -0.280      
5 H 0.169      
6 H 0.160      
7 H 0.146      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.387 2.878 0.000 3.195
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.987 -0.069 0.000
y -0.069 -22.848 0.000
z 0.000 0.000 -23.138
Traceless
 xyz
x 1.006 -0.069 0.000
y -0.069 -0.286 0.000
z 0.000 0.000 -0.721
Polar
3z2-r2-1.441
x2-y20.861
xy-0.069
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.332 2.117 0.000
y 2.117 5.913 0.000
z 0.000 0.000 2.019


<r2> (average value of r2) Å2
<r2> 75.741
(<r2>)1/2 8.703