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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-207.725362
Energy at 298.15K 
HF Energy-207.725362
Nuclear repulsion energy103.455756
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' 3301 3161 1.61      
2 A' 3206 3071 6.53      
3 A' 3188 3054 2.25      
4 A' 1699 1627 4.76      
5 A' 1477 1414 83.73      
6 A' 1455 1393 29.71      
7 A' 1312 1256 1.72      
8 A' 1159 1110 59.46      
9 A' 908 870 32.28      
10 A' 615 589 3.34      
11 A' 344 329 1.42      
12 A" 1045 1001 27.81      
13 A" 1029 986 48.55      
14 A" 690 660 0.66      
15 A" 195 186 0.24      

Unscaled Zero Point Vibrational Energy (zpe) 10810.3 cm-1
Scaled (by 0.9577) Zero Point Vibrational Energy (zpe) 10353.0 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
1.76133 0.16599 0.15169

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 1.206 1.239 0.000
C2 0.000 0.654 0.000
N3 -0.030 -0.776 0.000
O4 -1.187 -1.255 0.000
H5 2.102 0.625 0.000
H6 1.324 2.316 0.000
H7 -0.954 1.177 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7
C11.34042.36423.45641.08591.08412.1611
C21.34041.43082.24812.10232.12531.0880
N32.36421.43081.25192.55173.37632.1608
O43.45642.24811.25193.78864.36602.4432
H51.08592.10232.55173.78861.86143.1056
H61.08412.12533.37634.36601.86142.5474
H72.16111.08802.16082.44323.10562.5474

picture of Nitrosoethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 117.072 C1 C2 H7 125.416
C2 C1 H5 119.738 C2 C1 H6 122.118
C2 N3 O4 113.697 N3 C2 H7 117.512
H5 C1 H6 118.144
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 -0.298      
2 C 0.011      
3 N -0.015      
4 O -0.295      
5 H 0.205      
6 H 0.192      
7 H 0.200      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.584 3.386 0.000 3.738
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.505 -0.200 0.000
y -0.200 -23.504 0.000
z 0.000 0.000 -23.353
Traceless
 xyz
x 0.924 -0.200 0.000
y -0.200 -0.575 0.000
z 0.000 0.000 -0.348
Polar
3z2-r2-0.697
x2-y20.999
xy-0.200
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.343 2.316 0.000
y 2.316 5.880 0.000
z 0.000 0.000 1.744


<r2> (average value of r2) Å2
<r2> 77.268
(<r2>)1/2 8.790