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All results from a given calculation for C2H3NO (Nitrosoethylene)

using model chemistry: HSEh1PBE/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 HSEh1PBE/6-31G**
 hartrees
Energy at 0K-207.663644
Energy at 298.15K 
HF Energy-207.663644
Nuclear repulsion energy104.806753
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 HSEh1PBE/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' 3297 3146 0.55 60.22 0.69 0.81
2 A' 3201 3055 4.29 153.67 0.15 0.27
3 A' 3184 3038 3.38 15.52 0.66 0.80
4 A' 1718 1640 5.77 12.47 0.12 0.21
5 A' 1657 1581 118.75 72.07 0.28 0.44
6 A' 1419 1354 22.64 19.79 0.41 0.58
7 A' 1288 1229 1.80 7.13 0.53 0.69
8 A' 1166 1113 69.02 22.43 0.50 0.67
9 A' 907 865 24.73 0.14 0.37 0.54
10 A' 620 592 2.24 7.00 0.26 0.42
11 A' 344 329 1.36 0.66 0.68 0.81
12 A" 1017 970 34.76 0.19 0.75 0.86
13 A" 1008 962 20.66 1.45 0.75 0.86
14 A" 688 656 0.55 7.92 0.75 0.86
15 A" 180 172 0.09 1.40 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10846.6 cm-1
Scaled (by 0.9543) Zero Point Vibrational Energy (zpe) 10350.9 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 HSEh1PBE/6-31G**
ABC
1.77396 0.17071 0.15573

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.208 1.211 0.000
C2 0.000 0.645 0.000
N3 -0.045 -0.776 0.000
O4 -1.177 -1.219 0.000
H5 2.091 0.579 0.000
H6 1.342 2.287 0.000
H7 -0.951 1.177 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7
C11.33432.34993.40491.08601.08422.1595
C21.33431.42242.20432.09222.12051.0894
N32.34991.42241.21512.52993.36302.1531
O43.40492.20431.21513.72984.31682.4060
H51.08602.09222.52993.72981.86553.1003
H61.08422.12053.36304.31681.86552.5475
H72.15951.08942.15312.40603.10032.5475

picture of Nitrosoethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 116.921 C1 C2 H7 125.695
C2 C1 H5 119.283 C2 C1 H6 122.178
C2 N3 O4 113.154 N3 C2 H7 117.385
H5 C1 H6 118.539
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.258      
2 C 0.060      
3 N 0.004      
4 O -0.281      
5 H 0.169      
6 H 0.160      
7 H 0.147      


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 -22.030 -0.067 0.000
y -0.067 -22.881 0.000
z 0.000 0.000 -23.187
Traceless
 xyz
x 1.004 -0.067 0.000
y -0.067 -0.273 0.000
z 0.000 0.000 -0.732
Polar
3z2-r2-1.463
x2-y20.851
xy-0.067
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.319 2.098 0.000
y 2.098 5.855 0.000
z 0.000 0.000 2.017


<r2> (average value of r2) Å2
<r2> 75.463
(<r2>)1/2 8.687