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All results from a given calculation for C2H3NO (Nitrosoethylene)

using model chemistry: wB97X-D/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at wB97X-D/6-31G(2df,p)
 hartrees
Energy at 0K-207.819955
Energy at 298.15K 
HF Energy-207.819955
Nuclear repulsion energy104.955117
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 wB97X-D/6-31G(2df,p)
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3281 3281 0.60 56.14 0.68 0.81
2 A' 3196 3196 5.00 132.78 0.19 0.32
3 A' 3174 3174 1.80 24.97 0.20 0.33
4 A' 1724 1724 7.78 13.28 0.11 0.20
5 A' 1674 1674 115.14 82.17 0.28 0.43
6 A' 1422 1422 21.33 19.70 0.41 0.58
7 A' 1289 1289 1.68 6.70 0.50 0.67
8 A' 1163 1163 65.13 22.83 0.50 0.67
9 A' 903 903 27.42 0.19 0.58 0.74
10 A' 622 622 1.33 6.28 0.22 0.36
11 A' 346 346 1.37 0.59 0.65 0.79
12 A" 1024 1024 0.71 1.66 0.75 0.86
13 A" 1023 1023 47.24 0.10 0.75 0.86
14 A" 693 693 0.55 5.76 0.75 0.86
15 A" 175 175 0.07 1.28 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10854.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10854.3 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 wB97X-D/6-31G(2df,p)
ABC
1.77814 0.17085 0.15587

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.200 1.217 0.000
C2 0.000 0.648 0.000
N3 -0.045 -0.781 0.000
O4 -1.169 -1.223 0.000
H5 2.088 0.593 0.000
H6 1.327 2.293 0.000
H7 -0.953 1.172 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7
C11.32802.35433.40011.08511.08342.1541
C21.32801.43042.20592.08902.11291.0875
N32.35431.43041.20702.53763.36622.1539
O43.40012.20591.20703.72864.31092.4039
H51.08512.08902.53763.72861.86233.0961
H61.08342.11293.36624.31091.86232.5409
H72.15411.08752.15392.40393.09612.5409

picture of Nitrosoethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 117.141 C1 C2 H7 125.901
C2 C1 H5 119.581 C2 C1 H6 122.055
C2 N3 O4 113.247 N3 C2 H7 116.958
H5 C1 H6 118.364
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.336      
2 C 0.057      
3 N 0.030      
4 O -0.247      
5 H 0.175      
6 H 0.173      
7 H 0.148      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.268 2.739 0.000 3.018
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.917 -0.056 0.000
y -0.056 -22.716 0.000
z 0.000 0.000 -23.064
Traceless
 xyz
x 0.973 -0.056 0.000
y -0.056 -0.226 0.000
z 0.000 0.000 -0.747
Polar
3z2-r2-1.494
x2-y20.799
xy-0.056
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.367 2.009 0.000
y 2.009 5.986 0.000
z 0.000 0.000 2.491


<r2> (average value of r2) Å2
<r2> 75.320
(<r2>)1/2 8.679