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All results from a given calculation for C2H3NO (Nitrosoethylene)

using model chemistry: BLYP/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 BLYP/6-31G(2df,p)
 hartrees
Energy at 0K-207.842814
Energy at 298.15K 
HF Energy-207.842814
Nuclear repulsion energy103.480858
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/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' 3178 3160 1.81 61.65 0.69 0.82
2 A' 3087 3070 2.75 139.71 0.12 0.22
3 A' 3061 3044 11.35 43.09 0.50 0.67
4 A' 1612 1603 1.10 17.46 0.13 0.23
5 A' 1475 1467 89.06 33.40 0.29 0.45
6 A' 1376 1368 20.75 20.70 0.38 0.55
7 A' 1244 1237 1.07 7.74 0.53 0.69
8 A' 1093 1087 63.43 18.96 0.50 0.67
9 A' 846 841 36.76 0.10 0.03 0.05
10 A' 588 585 0.50 8.79 0.23 0.38
11 A' 330 328 1.16 0.91 0.65 0.79
12 A" 987 981 21.81 0.19 0.75 0.86
13 A" 964 959 14.11 0.68 0.75 0.86
14 A" 653 649 0.10 5.62 0.75 0.86
15 A" 179 178 0.07 1.30 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10334.9 cm-1
Scaled (by 0.9945) Zero Point Vibrational Energy (zpe) 10278.1 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 BLYP/6-31G(2df,p)
ABC
1.74477 0.16611 0.15167

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.209 1.241 0.000
C2 0.000 0.652 0.000
N3 -0.035 -0.788 0.000
O4 -1.186 -1.245 0.000
H5 2.108 0.621 0.000
H6 1.330 2.325 0.000
H7 -0.963 1.175 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7
C11.34552.38053.45211.09191.09012.1736
C21.34551.44002.23672.10852.13741.0961
N32.38051.44001.23782.56543.39902.1711
O43.45212.23671.23783.78594.36702.4300
H51.09192.10852.56543.78591.87273.1210
H61.09012.13743.39904.36701.87272.5654
H72.17361.09612.17112.43003.12102.5654

picture of Nitrosoethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 117.393 C1 C2 H7 125.498
C2 C1 H5 119.419 C2 C1 H6 122.346
C2 N3 O4 113.066 N3 C2 H7 117.109
H5 C1 H6 118.236
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.248      
2 C 0.116      
3 N -0.012      
4 O -0.207      
5 H 0.128      
6 H 0.129      
7 H 0.093      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.294 2.779 0.000 3.066
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.311 -0.014 0.000
y -0.014 -22.960 0.000
z 0.000 0.000 -23.005
Traceless
 xyz
x 0.671 -0.014 0.000
y -0.014 -0.302 0.000
z 0.000 0.000 -0.369
Polar
3z2-r2-0.739
x2-y20.649
xy-0.014
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.512 2.103 0.000
y 2.103 6.436 0.000
z 0.000 0.000 2.481


<r2> (average value of r2) Å2
<r2> 77.095
(<r2>)1/2 8.780