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All results from a given calculation for C2H3NO (Nitrosoethylene)

using model chemistry: PBE1PBE/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 PBE1PBE/6-31G*
 hartrees
Energy at 0K-207.640847
Energy at 298.15K 
HF Energy-207.640847
Nuclear repulsion energy104.786526
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 PBE1PBE/6-31G*
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' 3303 3139 0.70 59.48 0.69 0.81
2 A' 3212 3052 4.15 149.26 0.15 0.27
3 A' 3194 3035 3.94 15.72 0.72 0.84
4 A' 1723 1637 5.26 12.78 0.12 0.22
5 A' 1662 1579 119.18 71.68 0.28 0.44
6 A' 1431 1359 22.21 20.15 0.40 0.57
7 A' 1297 1232 1.53 7.14 0.53 0.69
8 A' 1172 1114 68.99 22.37 0.50 0.67
9 A' 911 866 25.97 0.10 0.38 0.55
10 A' 621 590 2.22 6.93 0.27 0.42
11 A' 345 328 1.31 0.66 0.67 0.81
12 A" 1019 968 39.16 0.12 0.75 0.86
13 A" 1007 957 19.19 1.66 0.75 0.86
14 A" 687 653 0.63 7.94 0.75 0.86
15 A" 180 171 0.10 1.41 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10881.6 cm-1
Scaled (by 0.9503) Zero Point Vibrational Energy (zpe) 10340.8 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 PBE1PBE/6-31G*
ABC
1.77362 0.17063 0.15565

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.208 1.213 0.000
C2 0.000 0.645 0.000
N3 -0.045 -0.777 0.000
O4 -1.177 -1.219 0.000
H5 2.094 0.584 0.000
H6 1.340 2.290 0.000
H7 -0.952 1.175 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7
C11.33472.35153.40541.08671.08512.1602
C21.33471.42282.20372.09492.12171.0898
N32.35151.42281.21492.53533.36522.1528
O43.40542.20371.21493.73464.31762.4040
H51.08672.09492.53533.73461.86503.1030
H61.08512.12173.36524.31761.86502.5488
H72.16021.08982.15282.40403.10302.5488

picture of Nitrosoethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 116.994 C1 C2 H7 125.697
C2 C1 H5 119.457 C2 C1 H6 122.186
C2 N3 O4 113.096 N3 C2 H7 117.309
H5 C1 H6 118.357
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.361      
2 C 0.021      
3 N 0.009      
4 O -0.281      
5 H 0.214      
6 H 0.205      
7 H 0.192      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.379 2.853 0.000 3.169
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.001 -0.057 0.000
y -0.057 -22.869 0.000
z 0.000 0.000 -23.233
Traceless
 xyz
x 1.050 -0.057 0.000
y -0.057 -0.252 0.000
z 0.000 0.000 -0.798
Polar
3z2-r2-1.597
x2-y20.868
xy-0.057
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.274 2.100 0.000
y 2.100 5.816 0.000
z 0.000 0.000 1.980


<r2> (average value of r2) Å2
<r2> 75.501
(<r2>)1/2 8.689