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All results from a given calculation for C2H3NO (Nitrosoethylene)

using model chemistry: B2PLYP/3-21G

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/3-21G
 hartrees
Energy at 0K-206.450283
Energy at 298.15K 
HF Energy-206.299780
Nuclear repulsion energy102.174406
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/3-21G
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' 3290 3290 1.34 55.45 0.66 0.79
2 A' 3216 3216 3.66 105.23 0.23 0.37
3 A' 3194 3194 0.44 39.83 0.12 0.21
4 A' 1679 1679 2.61 24.78 0.16 0.27
5 A' 1478 1478 13.26 23.74 0.37 0.54
6 A' 1313 1313 0.76 5.32 0.68 0.81
7 A' 1223 1223 6.75 10.98 0.19 0.31
8 A' 1115 1115 33.60 31.32 0.46 0.63
9 A' 851 851 43.01 2.75 0.61 0.76
10 A' 592 592 1.29 6.50 0.31 0.47
11 A' 334 334 0.99 0.20 0.70 0.82
12 A" 1034 1034 45.55 0.35 0.75 0.86
13 A" 1024 1024 27.21 1.96 0.75 0.86
14 A" 686 686 1.39 10.59 0.75 0.86
15 A" 188 188 0.15 1.76 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10607.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10607.3 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 B2PLYP/3-21G
ABC
1.68112 0.16344 0.14896

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.170 1.290 0.000
C2 0.000 0.648 0.000
N3 0.022 -0.808 0.000
O4 -1.191 -1.273 0.000
H5 2.095 0.726 0.000
H6 1.233 2.370 0.000
H7 -0.976 1.118 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7
C11.33482.39133.48521.08341.08162.1531
C21.33481.45562.26042.09632.11771.0836
N32.39131.45561.29972.57803.40022.1695
O43.48522.26041.29973.84624.37572.4015
H51.08342.09632.57803.84621.85663.0960
H61.08162.11773.40024.37571.85662.5385
H72.15311.08362.16952.40153.09602.5385

picture of Nitrosoethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 117.884 C1 C2 H7 125.492
C2 C1 H5 119.835 C2 C1 H6 122.072
C2 N3 O4 110.116 N3 C2 H7 116.625
H5 C1 H6 118.093
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.347      
2 C -0.033      
3 N -0.048      
4 O -0.247      
5 H 0.230      
6 H 0.218      
7 H 0.227      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.142 2.828 0.000 3.050
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.414 -0.007 -0.002
y -0.007 -23.332 -0.002
z -0.002 -0.002 -23.569
Traceless
 xyz
x 1.037 -0.007 -0.002
y -0.007 -0.341 -0.002
z -0.002 -0.002 -0.696
Polar
3z2-r2-1.392
x2-y20.918
xy-0.007
xz-0.002
yz-0.002


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.721 2.119 -0.000
y 2.119 5.396 0.000
z -0.000 0.000 1.424


<r2> (average value of r2) Å2
<r2> 78.295
(<r2>)1/2 8.848