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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-207.796100
Energy at 298.15K 
HF Energy-207.796100
Nuclear repulsion energy104.541759
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' 3287 3145 1.18      
2 A' 3196 3058 4.54      
3 A' 3179 3041 5.53      
4 A' 1706 1632 2.18      
5 A' 1629 1559 118.12      
6 A' 1428 1366 21.61      
7 A' 1293 1237 1.16      
8 A' 1161 1110 69.22      
9 A' 903 864 28.64      
10 A' 615 589 1.92      
11 A' 343 328 1.29      
12 A" 1013 969 38.97      
13 A" 1001 958 18.14      
14 A" 680 651 0.54      
15 A" 181 173 0.10      

Unscaled Zero Point Vibrational Energy (zpe) 10806.7 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 10338.8 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
1.76974 0.16973 0.15488

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 1.208 1.218 0.000
C2 0.000 0.646 0.000
N3 -0.043 -0.779 0.000
O4 -1.179 -1.224 0.000
H5 2.098 0.593 0.000
H6 1.338 2.295 0.000
H7 -0.953 1.176 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7
C11.33672.35653.41451.08691.08542.1613
C21.33671.42562.21032.09842.12361.0901
N32.35651.42561.21952.54293.37022.1560
O43.41452.21031.21953.74654.32632.4103
H51.08692.09842.54293.74651.86433.1055
H61.08542.12363.37024.32631.86432.5491
H72.16131.09012.15602.41033.10552.5491

picture of Nitrosoethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 117.062 C1 C2 H7 125.589
C2 C1 H5 119.596 C2 C1 H6 122.165
C2 N3 O4 113.133 N3 C2 H7 117.349
H5 C1 H6 118.240
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 -0.354      
2 C 0.032      
3 N 0.004      
4 O -0.281      
5 H 0.210      
6 H 0.201      
7 H 0.188      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.394 2.889 0.000 3.208
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.969 -0.059 0.000
y -0.059 -22.835 0.000
z 0.000 0.000 -23.169
Traceless
 xyz
x 1.033 -0.059 0.000
y -0.059 -0.266 0.000
z 0.000 0.000 -0.767
Polar
3z2-r2-1.535
x2-y20.866
xy-0.059
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.296 2.122 0.000
y 2.122 5.888 0.000
z 0.000 0.000 1.981


<r2> (average value of r2) Å2
<r2> 75.769
(<r2>)1/2 8.705