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All results from a given calculation for C2H3NO (Nitrosoethylene)

using model chemistry: HF/SDD

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HF/SDD
 hartrees
Energy at 0K-206.613550
Energy at 298.15K 
HF Energy-206.613550
Nuclear repulsion energy104.422759
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 HF/SDD
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' 3476 3130 6.73 59.52 0.68 0.81
2 A' 3400 3061 8.51 101.70 0.23 0.37
3 A' 3362 3027 2.91 54.28 0.12 0.22
4 A' 1824 1642 4.90 139.86 0.21 0.35
5 A' 1751 1576 165.53 125.34 0.32 0.48
6 A' 1564 1409 17.08 32.64 0.38 0.55
7 A' 1412 1272 6.99 21.21 0.47 0.64
8 A' 1276 1149 47.73 42.11 0.57 0.73
9 A' 994 895 22.08 1.80 0.68 0.81
10 A' 648 583 8.22 8.37 0.32 0.48
11 A' 374 337 1.89 0.35 0.75 0.86
12 A" 1180 1062 47.16 12.97 0.75 0.86
13 A" 1106 996 50.31 3.98 0.75 0.86
14 A" 763 687 3.21 9.43 0.75 0.86
15 A" 195 176 0.03 0.89 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 11662.0 cm-1
Scaled (by 0.9004) Zero Point Vibrational Energy (zpe) 10500.5 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 HF/SDD
ABC
1.82109 0.16729 0.15321

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/SDD

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.193 1.243 0.000
C2 0.000 0.653 0.000
N3 -0.042 -0.779 0.000
O4 -1.163 -1.258 0.000
H5 2.094 0.659 0.000
H6 1.288 2.311 0.000
H7 -0.941 1.170 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7
C11.33152.37023.43671.07331.07202.1358
C21.33151.43262.23722.09392.09971.0739
N32.37021.43261.21862.57553.36452.1464
O43.43672.23721.21863.77944.32992.4385
H51.07332.09392.57553.77941.83793.0777
H61.07202.09973.36454.32991.83792.5042
H72.13581.07392.14642.43853.07772.5042

picture of Nitrosoethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 118.028 C1 C2 H7 124.883
C2 C1 H5 120.706 C2 C1 H6 121.390
C2 N3 O4 114.857 N3 C2 H7 117.089
H5 C1 H6 117.904
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/SDD Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.369      
2 C -0.077      
3 N 0.070      
4 O -0.290      
5 H 0.220      
6 H 0.212      
7 H 0.234      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.761 3.543 0.000 3.957
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.227 -0.639 0.000
y -0.639 -24.358 0.000
z 0.000 0.000 -24.355
Traceless
 xyz
x 1.130 -0.639 0.000
y -0.639 -0.567 0.000
z 0.000 0.000 -0.563
Polar
3z2-r2-1.125
x2-y21.131
xy-0.639
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.747 2.634 0.000
y 2.634 5.352 0.000
z 0.000 0.000 1.904


<r2> (average value of r2) Å2
<r2> 77.178
(<r2>)1/2 8.785