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All results from a given calculation for C2H3NO (Nitrosoethylene)

using model chemistry: B3LYP/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 B3LYP/6-31G(2df,p)
 hartrees
Energy at 0K-207.894226
Energy at 298.15K 
HF Energy-207.894226
Nuclear repulsion energy104.608441
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 B3LYP/6-31G(2df,p)
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' 3259 3145 0.85 57.36 0.69 0.82
2 A' 3170 3059 3.95 147.39 0.15 0.25
3 A' 3152 3042 4.52 17.74 0.74 0.85
4 A' 1686 1627 2.02 17.95 0.13 0.23
5 A' 1601 1545 111.88 59.70 0.28 0.44
6 A' 1415 1366 19.79 20.02 0.39 0.56
7 A' 1281 1237 1.20 7.54 0.50 0.67
8 A' 1144 1104 66.58 21.71 0.50 0.66
9 A' 888 857 30.00 0.10 0.34 0.51
10 A' 614 592 1.35 7.29 0.23 0.37
11 A' 343 331 1.28 0.75 0.64 0.78
12 A" 1018 982 24.68 0.19 0.75 0.86
13 A" 1007 972 16.39 1.19 0.75 0.86
14 A" 686 662 0.23 5.54 0.75 0.86
15 A" 183 177 0.05 1.26 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10723.7 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 10348.4 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 B3LYP/6-31G(2df,p)
ABC
1.78058 0.16954 0.15480

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.201 1.226 0.000
C2 0.000 0.647 0.000
N3 -0.041 -0.781 0.000
O4 -1.172 -1.230 0.000
H5 2.093 0.608 0.000
H6 1.323 2.302 0.000
H7 -0.956 1.167 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7
C11.33312.36043.41501.08501.08352.1575
C21.33311.42852.21282.09342.11951.0883
N32.36041.42851.21642.54703.37212.1520
O43.41502.21281.21643.74714.32512.4069
H51.08502.09342.54703.74711.86063.0996
H61.08352.11953.37214.32511.86062.5465
H72.15751.08832.15202.40693.09962.5465

picture of Nitrosoethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 117.410 C1 C2 H7 125.701
C2 C1 H5 119.570 C2 C1 H6 122.244
C2 N3 O4 113.331 N3 C2 H7 116.889
H5 C1 H6 118.186
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.284      
2 C 0.089      
3 N 0.019      
4 O -0.236      
5 H 0.148      
6 H 0.147      
7 H 0.117      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.303 2.775 0.000 3.066
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.163 -0.059 0.000
y -0.059 -22.882 0.000
z 0.000 0.000 -23.019
Traceless
 xyz
x 0.788 -0.059 0.000
y -0.059 -0.291 0.000
z 0.000 0.000 -0.497
Polar
3z2-r2-0.994
x2-y20.719
xy-0.059
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.374 2.053 0.000
y 2.053 6.132 0.000
z 0.000 0.000 2.468


<r2> (average value of r2) Å2
<r2> 75.806
(<r2>)1/2 8.707