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All results from a given calculation for C2H3NO (Nitrosoethylene)

using model chemistry: B2PLYP/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B2PLYP/6-311+G(3df,2p)
 hartrees
Energy at 0K-207.798450
Energy at 298.15K 
HF Energy-207.549192
Nuclear repulsion energy104.721314
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 B2PLYP/6-311+G(3df,2p)
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' 3274 3274 0.19 56.50 0.67 0.81
2 A' 3183 3183 4.07 162.11 0.13 0.24
3 A' 3167 3167 1.71 19.34 0.42 0.59
4 A' 1668 1668 1.90 47.60 0.11 0.20
5 A' 1521 1521 104.41 63.11 0.41 0.58
6 A' 1425 1425 25.76 26.22 0.38 0.55
7 A' 1293 1293 1.53 9.39 0.23 0.37
8 A' 1153 1153 80.40 31.31 0.41 0.58
9 A' 902 902 30.86 0.65 0.74 0.85
10 A' 615 615 1.23 9.20 0.11 0.20
11 A' 354 354 1.10 0.66 0.67 0.81
12 A" 1012 1012 7.34 4.15 0.75 0.86
13 A" 1007 1007 47.92 0.27 0.75 0.86
14 A" 690 690 1.05 0.57 0.75 0.86
15 A" 181 181 0.08 0.28 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10722.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10722.1 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 B2PLYP/6-311+G(3df,2p)
ABC
1.78764 0.17002 0.15526

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.205 1.217 0.000
C2 0.000 0.648 0.000
N3 -0.043 -0.773 0.000
O4 -1.175 -1.229 0.000
H5 2.089 0.595 0.000
H6 1.328 2.289 0.000
H7 -0.949 1.171 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7
C11.33302.34903.41281.08071.07912.1551
C21.33301.42132.21402.08992.11101.0841
N32.34901.42131.22032.53323.35472.1452
O43.41282.21401.22033.73904.31712.4108
H51.08072.08992.53323.73901.85753.0926
H61.07912.11103.35474.31711.85752.5363
H72.15511.08412.14522.41083.09262.5363

picture of Nitrosoethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 117.004 C1 C2 H7 125.840
C2 C1 H5 119.589 C2 C1 H6 121.773
C2 N3 O4 113.667 N3 C2 H7 117.156
H5 C1 H6 118.638
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.314      
2 C 0.381      
3 N -0.243      
4 O -0.343      
5 H 0.174      
6 H 0.175      
7 H 0.169      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.404 2.968 0.000 3.283
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.947 0.044 -0.007
y 0.044 -23.726 -0.007
z -0.007 -0.007 -24.074
Traceless
 xyz
x 0.953 0.044 -0.007
y 0.044 -0.216 -0.007
z -0.007 -0.007 -0.737
Polar
3z2-r2-1.475
x2-y20.779
xy0.044
xz-0.007
yz-0.007


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.264 2.091 0.001
y 2.091 7.011 0.002
z 0.001 0.002 3.795


<r2> (average value of r2) Å2
<r2> 76.161
(<r2>)1/2 8.727