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All results from a given calculation for C2H3NO (Nitrosoethylene)

using model chemistry: HSEh1PBE/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 HSEh1PBE/6-31G(2df,p)
 hartrees
Energy at 0K-207.674526
Energy at 298.15K 
HF Energy-207.674526
Nuclear repulsion energy105.031038
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(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' 3284 3145 0.35 55.77 0.68 0.81
2 A' 3190 3055 4.06 147.14 0.16 0.27
3 A' 3172 3038 2.97 15.55 0.61 0.76
4 A' 1710 1638 9.91 9.05 0.09 0.17
5 A' 1650 1580 112.86 75.69 0.27 0.42
6 A' 1410 1350 22.43 18.18 0.41 0.58
7 A' 1279 1225 2.18 6.45 0.51 0.68
8 A' 1157 1108 67.76 21.12 0.50 0.66
9 A' 898 860 25.04 0.18 0.12 0.22
10 A' 620 594 1.77 6.95 0.22 0.37
11 A' 340 326 1.25 0.73 0.65 0.78
12 A" 1020 977 21.80 0.29 0.75 0.86
13 A" 1010 967 23.68 1.21 0.75 0.86
14 A" 691 661 0.36 5.31 0.75 0.86
15 A" 182 174 0.08 1.23 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10806.5 cm-1
Scaled (by 0.9577) Zero Point Vibrational Energy (zpe) 10349.4 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(2df,p)
ABC
1.78495 0.17117 0.15619

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.204 1.212 0.000
C2 0.000 0.645 0.000
N3 -0.047 -0.777 0.000
O4 -1.171 -1.219 0.000
H5 2.087 0.581 0.000
H6 1.338 2.288 0.000
H7 -0.953 1.172 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7
C11.33092.34953.39891.08561.08372.1574
C21.33091.42262.20162.08822.11861.0887
N32.34951.42261.20822.52923.36272.1487
O43.39892.20161.20823.72244.31202.4006
H51.08562.08822.52923.72241.86383.0970
H61.08372.11863.36274.31201.86382.5486
H72.15741.08872.14872.40063.09702.5486

picture of Nitrosoethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 117.101 C1 C2 H7 125.869
C2 C1 H5 119.227 C2 C1 H6 122.331
C2 N3 O4 113.362 N3 C2 H7 117.030
H5 C1 H6 118.442
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.334      
2 C 0.065      
3 N 0.033      
4 O -0.255      
5 H 0.175      
6 H 0.173      
7 H 0.144      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.292 2.750 0.000 3.039
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.962 -0.030 0.000
y -0.030 -22.709 0.000
z 0.000 0.000 -23.075
Traceless
 xyz
x 0.930 -0.030 0.000
y -0.030 -0.191 0.000
z 0.000 0.000 -0.739
Polar
3z2-r2-1.478
x2-y20.747
xy-0.030
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.366 2.016 0.000
y 2.016 6.055 0.000
z 0.000 0.000 2.494


<r2> (average value of r2) Å2
<r2> 75.214
(<r2>)1/2 8.673