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All results from a given calculation for C2H3NO (Nitrosoethylene)

using model chemistry: B3LYP/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 B3LYP/6-31G*
 hartrees
Energy at 0K-207.879471
Energy at 298.15K 
HF Energy-207.879471
Nuclear repulsion energy104.311441
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 B3LYP/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' 3275 3145 1.73 61.75 0.69 0.82
2 A' 3187 3061 4.17 148.55 0.14 0.25
3 A' 3170 3044 6.16 20.60 0.73 0.85
4 A' 1698 1630 0.99 20.95 0.15 0.26
5 A' 1601 1538 113.31 54.60 0.30 0.46
6 A' 1433 1376 19.88 22.42 0.39 0.56
7 A' 1296 1245 0.86 8.32 0.51 0.68
8 A' 1156 1111 68.55 23.25 0.50 0.67
9 A' 900 864 30.15 0.06 0.69 0.82
10 A' 614 590 1.84 7.34 0.27 0.42
11 A' 347 333 1.39 0.70 0.67 0.80
12 A" 1014 974 34.72 0.11 0.75 0.86
13 A" 1000 961 14.79 1.39 0.75 0.86
14 A" 682 655 0.36 8.13 0.75 0.86
15 A" 184 177 0.06 1.43 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10778.9 cm-1
Scaled (by 0.9603) Zero Point Vibrational Energy (zpe) 10350.9 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 B3LYP/6-31G*
ABC
1.76866 0.16882 0.15411

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.206 1.226 0.000
C2 0.000 0.646 0.000
N3 -0.040 -0.782 0.000
O4 -1.178 -1.231 0.000
H5 2.100 0.609 0.000
H6 1.327 2.304 0.000
H7 -0.955 1.171 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7
C11.33782.36253.42381.08651.08522.1615
C21.33781.42862.21692.10022.12371.0897
N32.36251.42861.22432.55173.37512.1565
O43.42382.21691.22433.75944.33342.4127
H51.08652.10022.55173.75941.86323.1062
H61.08522.12373.37514.33341.86322.5481
H72.16151.08972.15652.41273.10622.5481

picture of Nitrosoethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 117.268 C1 C2 H7 125.545
C2 C1 H5 119.711 C2 C1 H6 122.103
C2 N3 O4 113.141 N3 C2 H7 117.187
H5 C1 H6 118.186
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.304      
2 C 0.061      
3 N 0.002      
4 O -0.280      
5 H 0.185      
6 H 0.177      
7 H 0.159      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.398 2.880 0.000 3.201
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.188 -0.079 0.000
y -0.079 -22.999 0.000
z 0.000 0.000 -23.141
Traceless
 xyz
x 0.882 -0.079 0.000
y -0.079 -0.334 0.000
z 0.000 0.000 -0.548
Polar
3z2-r2-1.096
x2-y20.810
xy-0.079
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.293 2.139 0.000
y 2.139 5.919 0.000
z 0.000 0.000 1.967


<r2> (average value of r2) Å2
<r2> 76.134
(<r2>)1/2 8.725