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All results from a given calculation for C2H3NO (Nitrosoethylene)

using model chemistry: TPSSh/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at TPSSh/STO-3G
 hartrees
Energy at 0K-205.225694
Energy at 298.15K 
HF Energy-205.225694
Nuclear repulsion energy100.002280
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 TPSSh/STO-3G
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' 3542 3542 1.36 43.66 0.73 0.84
2 A' 3418 3418 0.30 69.13 0.17 0.30
3 A' 3382 3382 25.13 25.05 0.25 0.40
4 A' 1776 1776 5.75 14.67 0.14 0.24
5 A' 1550 1550 7.69 6.64 0.13 0.22
6 A' 1518 1518 8.46 37.44 0.37 0.54
7 A' 1344 1344 0.45 7.72 0.71 0.83
8 A' 1124 1124 29.84 13.89 0.70 0.82
9 A' 861 861 43.08 0.72 0.69 0.82
10 A' 540 540 0.34 5.19 0.32 0.49
11 A' 302 302 0.04 0.38 0.70 0.82
12 A" 1070 1070 15.03 0.08 0.75 0.86
13 A" 998 998 12.68 0.14 0.75 0.86
14 A" 585 585 0.58 4.49 0.75 0.86
15 A" 140 140 0.66 0.99 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 11075.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 11075.7 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 TPSSh/STO-3G
ABC
1.58196 0.15561 0.14168

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.174 1.337 0.000
C2 0.000 0.684 0.000
N3 0.019 -0.861 0.000
O4 -1.194 -1.313 0.000
H5 2.124 0.783 0.000
H6 1.237 2.435 0.000
H7 -0.985 1.185 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7
C11.34292.48203.55341.09991.09982.1643
C21.34291.54472.32682.12642.14371.1052
N32.48201.54471.29522.67053.51312.2786
O43.55342.32681.29523.92494.46732.5061
H51.09992.12642.67053.92491.87443.1353
H61.09982.14373.51314.46731.87442.5502
H72.16431.10522.27862.50613.13532.5502

picture of Nitrosoethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 118.360 C1 C2 H7 123.993
C2 C1 H5 120.707 C2 C1 H6 122.404
C2 N3 O4 109.719 N3 C2 H7 117.647
H5 C1 H6 116.889
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.128      
2 C -0.036      
3 N -0.038      
4 O -0.065      
5 H 0.094      
6 H 0.088      
7 H 0.084      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.301 1.793 0.000 1.818
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.844 1.719 0.000
y 1.719 3.871 0.000
z 0.000 0.000 0.762


<r2> (average value of r2) Å2
<r2> 80.245
(<r2>)1/2 8.958