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All results from a given calculation for C2H3NO (Nitrosoethylene)

using model chemistry: PBE1PBE/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 PBE1PBE/6-31G
 hartrees
Energy at 0K-207.567577
Energy at 298.15K 
HF Energy-207.567577
Nuclear repulsion energy103.699054
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 PBE1PBE/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' 3316 3170 1.00 60.38 0.67 0.80
2 A' 3222 3080 5.77 147.93 0.18 0.30
3 A' 3203 3062 1.19 21.13 0.27 0.42
4 A' 1714 1638 4.88 37.52 0.18 0.30
5 A' 1509 1442 94.18 47.48 0.33 0.49
6 A' 1459 1394 25.43 21.54 0.39 0.56
7 A' 1317 1258 1.53 10.62 0.46 0.63
8 A' 1170 1119 59.04 22.69 0.52 0.68
9 A' 917 877 29.91 0.20 0.72 0.84
10 A' 621 593 3.73 8.76 0.30 0.47
11 A' 346 331 1.43 0.52 0.68 0.81
12 A" 1054 1007 27.89 2.79 0.75 0.86
13 A" 1036 990 50.69 0.44 0.75 0.86
14 A" 697 666 0.78 9.32 0.75 0.86
15 A" 195 186 0.24 1.06 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10887.1 cm-1
Scaled (by 0.9559) Zero Point Vibrational Energy (zpe) 10407.0 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 PBE1PBE/6-31G
ABC
1.76773 0.16678 0.15240

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.206 1.234 0.000
C2 0.000 0.653 0.000
N3 -0.032 -0.774 0.000
O4 -1.185 -1.251 0.000
H5 2.099 0.617 0.000
H6 1.326 2.311 0.000
H7 -0.953 1.176 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7
C11.33832.35953.44781.08561.08362.1597
C21.33831.42792.24222.09922.12321.0875
N32.35951.42791.24682.54563.37142.1571
O43.44782.24221.24683.77784.35792.4379
H51.08562.09922.54563.77781.86153.1030
H61.08362.12323.37144.35791.86152.5465
H72.15971.08752.15712.43793.10302.5465

picture of Nitrosoethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 117.041 C1 C2 H7 125.506
C2 C1 H5 119.643 C2 C1 H6 122.137
C2 N3 O4 113.760 N3 C2 H7 117.453
H5 C1 H6 118.220
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.306      
2 C 0.003      
3 N -0.011      
4 O -0.298      
5 H 0.209      
6 H 0.196      
7 H 0.207      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.576 3.361 0.000 3.713
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.558 -0.206 0.000
y -0.206 -23.558 0.000
z 0.000 0.000 -23.430
Traceless
 xyz
x 0.937 -0.206 0.000
y -0.206 -0.564 0.000
z 0.000 0.000 -0.373
Polar
3z2-r2-0.745
x2-y21.000
xy-0.206
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.325 2.300 0.000
y 2.300 5.807 0.000
z 0.000 0.000 1.741


<r2> (average value of r2) Å2
<r2> 77.023
(<r2>)1/2 8.776