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All results from a given calculation for C2H3NO (Nitrosoethylene)

using model chemistry: B3PW91/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/6-311G*
 hartrees
Energy at 0K-207.846171
Energy at 298.15K 
HF Energy-207.846171
Nuclear repulsion energy104.857028
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 B3PW91/6-311G*
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' 3260 3138 2.11      
2 A' 3167 3049 6.02      
3 A' 3150 3033 8.00      
4 A' 1695 1632 4.70      
5 A' 1621 1560 125.75      
6 A' 1416 1363 24.70      
7 A' 1287 1239 1.88      
8 A' 1152 1109 70.93      
9 A' 898 864 32.48      
10 A' 619 596 1.55      
11 A' 347 334 1.58      
12 A" 1007 969 37.22      
13 A" 998 960 25.98      
14 A" 682 656 1.26      
15 A" 181 174 0.10      

Unscaled Zero Point Vibrational Energy (zpe) 10739.0 cm-1
Scaled (by 0.9627) Zero Point Vibrational Energy (zpe) 10338.5 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 B3PW91/6-311G*
ABC
1.78458 0.17043 0.15557

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.205 1.216 0.000
C2 0.000 0.647 0.000
N3 -0.047 -0.777 0.000
O4 -1.172 -1.224 0.000
H5 2.091 0.589 0.000
H6 1.337 2.292 0.000
H7 -0.953 1.174 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7
C11.33272.35363.40611.08571.08412.1582
C21.33271.42452.20722.09212.11981.0892
N32.35361.42451.21062.53723.36652.1515
O43.40612.20721.21063.73294.31892.4080
H51.08572.09212.53723.73291.86293.0999
H61.08412.11983.36654.31891.86292.5476
H72.15821.08922.15152.40803.09992.5476

picture of Nitrosoethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 117.174 C1 C2 H7 125.733
C2 C1 H5 119.433 C2 C1 H6 122.262
C2 N3 O4 113.533 N3 C2 H7 117.093
H5 C1 H6 118.305
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.405      
2 C -0.100      
3 N 0.006      
4 O -0.212      
5 H 0.248      
6 H 0.245      
7 H 0.217      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.397 2.889 0.000 3.209
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.421 -0.062 0.000
y -0.062 -23.120 0.000
z 0.000 0.000 -23.569
Traceless
 xyz
x 0.923 -0.062 0.000
y -0.062 -0.125 0.000
z 0.000 0.000 -0.799
Polar
3z2-r2-1.597
x2-y20.699
xy-0.062
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.590 2.106 0.000
y 2.106 6.051 0.000
z 0.000 0.000 2.338


<r2> (average value of r2) Å2
<r2> 75.738
(<r2>)1/2 8.703