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All results from a given calculation for C2H3NO (Nitrosoethylene)

using model chemistry: HF/6-31+G**

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/6-31+G**
 hartrees
Energy at 0K-206.690624
Energy at 298.15K 
HF Energy-206.690624
Nuclear repulsion energy105.950499
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/6-31+G**
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' 3430 3101 1.51 60.88 0.69 0.81
2 A' 3367 3044 4.20 100.89 0.28 0.44
3 A' 3332 3013 1.68 49.69 0.16 0.28
4 A' 1911 1728 187.99 87.26 0.44 0.61
5 A' 1839 1663 8.88 154.54 0.16 0.28
6 A' 1544 1396 16.18 32.86 0.37 0.54
7 A' 1403 1268 0.81 14.66 0.25 0.40
8 A' 1277 1155 66.28 40.51 0.50 0.67
9 A' 988 893 21.67 1.43 0.74 0.85
10 A' 665 601 4.73 6.83 0.14 0.25
11 A' 384 348 2.07 0.43 0.73 0.84
12 A" 1138 1029 39.52 9.07 0.75 0.86
13 A" 1090 985 45.09 1.60 0.75 0.86
14 A" 747 675 3.31 3.86 0.75 0.86
15 A" 182 165 0.00 0.45 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 11647.4 cm-1
Scaled (by 0.9042) Zero Point Vibrational Energy (zpe) 10531.6 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 HF/6-31+G**
ABC
1.82733 0.17293 0.15798

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.192 1.212 0.000
C2 0.000 0.644 0.000
N3 -0.055 -0.779 0.000
O4 -1.152 -1.217 0.000
H5 2.083 0.609 0.000
H6 1.304 2.280 0.000
H7 -0.942 1.165 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7
C11.32082.34893.37621.07511.07412.1348
C21.32081.42362.18922.08292.09201.0762
N32.34891.42361.18192.54813.34682.1363
O43.37622.18921.18193.71474.27362.3915
H51.07512.08292.54813.71471.84403.0751
H61.07412.09203.34684.27361.84402.5072
H72.13481.07622.13632.39153.07512.5072

picture of Nitrosoethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 117.665 C1 C2 H7 125.594
C2 C1 H5 120.422 C2 C1 H6 121.402
C2 N3 O4 113.999 N3 C2 H7 116.741
H5 C1 H6 118.176
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.130      
2 C -0.225      
3 N -0.022      
4 O -0.159      
5 H 0.181      
6 H 0.169      
7 H 0.186      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.521 2.982 0.000 3.347
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.840 -0.260 0.000
y -0.260 -23.769 0.000
z 0.000 0.000 -24.270
Traceless
 xyz
x 1.179 -0.260 0.000
y -0.260 -0.214 0.000
z 0.000 0.000 -0.965
Polar
3z2-r2-1.930
x2-y20.929
xy-0.260
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.041 2.268 0.000
y 2.268 5.880 0.000
z 0.000 0.000 3.177


<r2> (average value of r2) Å2
<r2> 75.179
(<r2>)1/2 8.671