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All results from a given calculation for C2H3NO (Nitrosoethylene)

using model chemistry: BLYP/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 BLYP/3-21G*
 hartrees
Energy at 0K-206.666909
Energy at 298.15K 
HF Energy-206.666909
Nuclear repulsion energy101.440661
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 BLYP/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' 3182 3162 2.78 61.48 0.67 0.80
2 A' 3098 3078 4.59 147.37 0.15 0.27
3 A' 3084 3064 5.26 19.48 0.71 0.83
4 A' 1612 1602 2.41 18.19 0.14 0.25
5 A' 1420 1411 12.61 19.81 0.36 0.53
6 A' 1257 1249 1.80 4.82 0.75 0.86
7 A' 1227 1219 20.29 17.94 0.25 0.40
8 A' 1064 1057 35.65 24.19 0.49 0.66
9 A' 793 788 54.02 1.60 0.58 0.74
10 A' 564 560 0.15 8.00 0.30 0.46
11 A' 318 316 1.02 0.46 0.66 0.79
12 A" 993 987 35.98 0.20 0.75 0.86
13 A" 975 968 27.26 1.08 0.75 0.86
14 A" 642 638 1.21 9.19 0.75 0.86
15 A" 185 184 0.24 1.70 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10207.5 cm-1
Scaled (by 0.9935) Zero Point Vibrational Energy (zpe) 10141.2 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 BLYP/3-21G*
ABC
1.65097 0.16119 0.14685

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.183 1.295 0.000
C2 0.000 0.654 0.000
N3 0.019 -0.815 0.000
O4 -1.202 -1.278 0.000
H5 2.109 0.715 0.000
H6 1.258 2.383 0.000
H7 -0.981 1.137 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7
C11.34552.41013.50871.09231.09042.1702
C21.34551.46942.27592.10962.13781.0935
N32.41011.46941.30542.59033.42972.1930
O43.50872.27591.30543.86444.41082.4252
H51.09232.10962.59033.86441.87243.1186
H61.09042.13783.42974.41081.87242.5625
H72.17021.09352.19302.42523.11862.5625

picture of Nitrosoethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 117.720 C1 C2 H7 125.374
C2 C1 H5 119.484 C2 C1 H6 122.372
C2 N3 O4 110.067 N3 C2 H7 116.906
H5 C1 H6 118.145
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.317      
2 C -0.011      
3 N -0.050      
4 O -0.240      
5 H 0.215      
6 H 0.203      
7 H 0.200      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.209 2.830 0.000 3.077
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.260 0.036 0.000
y 0.036 -23.027 0.000
z 0.000 0.000 -23.377
Traceless
 xyz
x 0.942 0.036 0.000
y 0.036 -0.209 0.000
z 0.000 0.000 -0.733
Polar
3z2-r2-1.467
x2-y20.767
xy0.036
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.946 2.219 0.000
y 2.219 5.798 0.000
z 0.000 0.000 1.463


<r2> (average value of r2) Å2
<r2> 79.082
(<r2>)1/2 8.893