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All results from a given calculation for C2H3NO (Nitrosoethylene)

using model chemistry: B2PLYP/6-31G

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/6-31G
 hartrees
Energy at 0K-207.539228
Energy at 298.15K 
HF Energy-207.389026
Nuclear repulsion energy102.726969
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/6-31G
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' 3303 3303 2.33 61.44 0.67 0.81
2 A' 3216 3216 5.70 137.97 0.18 0.31
3 A' 3197 3197 1.20 27.98 0.19 0.32
4 A' 1684 1684 5.37 33.89 0.18 0.30
5 A' 1470 1470 18.53 24.35 0.37 0.54
6 A' 1350 1350 31.12 17.74 0.34 0.51
7 A' 1316 1316 11.26 21.99 0.33 0.49
8 A' 1155 1155 58.69 28.39 0.50 0.66
9 A' 905 905 32.24 0.44 0.74 0.85
10 A' 607 607 2.62 8.85 0.31 0.48
11 A' 346 346 1.43 0.34 0.70 0.82
12 A" 1030 1030 64.26 0.54 0.75 0.86
13 A" 1024 1024 4.74 1.90 0.75 0.86
14 A" 690 690 0.54 9.85 0.75 0.86
15 A" 190 190 0.16 1.17 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10741.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10741.6 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/6-31G
ABC
1.74069 0.16381 0.14972

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.204 1.255 0.000
C2 0.000 0.656 0.000
N3 -0.018 -0.782 0.000
O4 -1.194 -1.269 0.000
H5 2.108 0.654 0.000
H6 1.309 2.333 0.000
H7 -0.959 1.168 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7
C11.34462.37503.48131.08511.08342.1648
C21.34461.43792.26522.10762.12751.0869
N32.37501.43791.27312.56523.38582.1645
O43.48132.26521.27313.82104.38642.4475
H51.08512.10762.56523.82101.85923.1093
H61.08342.12753.38584.38641.85922.5502
H72.16481.08692.16452.44753.10932.5502

picture of Nitrosoethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 117.160 C1 C2 H7 125.491
C2 C1 H5 119.948 C2 C1 H6 122.015
C2 N3 O4 113.205 N3 C2 H7 117.350
H5 C1 H6 118.037
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.252      
2 C 0.025      
3 N -0.013      
4 O -0.286      
5 H 0.180      
6 H 0.168      
7 H 0.179      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.469 3.294 0.000 3.607
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.900 -0.176 -0.003
y -0.176 -23.938 -0.002
z -0.003 -0.002 -23.525
Traceless
 xyz
x 0.832 -0.176 -0.003
y -0.176 -0.725 -0.002
z -0.003 -0.002 -0.106
Polar
3z2-r2-0.213
x2-y21.038
xy-0.176
xz-0.003
yz-0.002


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.245 2.294 0.000
y 2.294 5.857 0.000
z 0.000 0.000 1.718


<r2> (average value of r2) Å2
<r2> 78.254
(<r2>)1/2 8.846