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All results from a given calculation for C2H3NO (Nitrosoethylene)

using model chemistry: PBEPBE/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 PBEPBE/6-31G
 hartrees
Energy at 0K-207.579735
Energy at 298.15K 
HF Energy-207.579735
Nuclear repulsion energy102.404983
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 PBEPBE/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' 3222 3177 2.20 64.45 0.67 0.80
2 A' 3122 3079 4.48 161.59 0.13 0.23
3 A' 3101 3058 8.28 29.41 0.66 0.80
4 A' 1634 1611 4.04 24.43 0.15 0.27
5 A' 1408 1389 13.48 12.94 0.39 0.57
6 A' 1363 1344 74.84 30.27 0.34 0.50
7 A' 1266 1248 1.76 10.77 0.47 0.64
8 A' 1106 1090 57.67 19.09 0.52 0.68
9 A' 862 850 35.48 0.17 0.44 0.61
10 A' 592 583 2.03 10.37 0.30 0.46
11 A' 329 324 1.42 0.65 0.68 0.81
12 A" 994 980 37.18 0.38 0.75 0.86
13 A" 993 980 29.43 1.28 0.75 0.86
14 A" 655 646 0.44 8.65 0.75 0.86
15 A" 190 187 0.30 1.14 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10417.6 cm-1
Scaled (by 0.9862) Zero Point Vibrational Energy (zpe) 10273.8 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 PBEPBE/6-31G
ABC
1.71684 0.16316 0.14900

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.216 1.249 0.000
C2 0.000 0.659 0.000
N3 -0.023 -0.783 0.000
O4 -1.203 -1.264 0.000
H5 2.116 0.627 0.000
H6 1.338 2.335 0.000
H7 -0.963 1.185 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7
C11.35142.38073.48811.09441.09222.1797
C21.35141.44282.26852.11602.14411.0973
N32.38071.44281.27352.56223.40232.1813
O43.48812.26851.27353.81944.40542.4612
H51.09442.11602.56223.81941.87673.1290
H61.09222.14413.40234.40541.87672.5720
H72.17971.09732.18132.46123.12902.5720

picture of Nitrosoethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 116.828 C1 C2 H7 125.460
C2 C1 H5 119.432 C2 C1 H6 122.317
C2 N3 O4 113.122 N3 C2 H7 117.711
H5 C1 H6 118.251
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.269      
2 C 0.027      
3 N -0.028      
4 O -0.272      
5 H 0.188      
6 H 0.177      
7 H 0.177      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.535 3.316 0.000 3.654
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.583 -0.097 0.000
y -0.097 -23.505 0.000
z 0.000 0.000 -23.356
Traceless
 xyz
x 0.848 -0.097 0.000
y -0.097 -0.536 0.000
z 0.000 0.000 -0.312
Polar
3z2-r2-0.624
x2-y20.922
xy-0.097
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.430 2.313 0.000
y 2.313 6.161 0.000
z 0.000 0.000 1.764


<r2> (average value of r2) Å2
<r2> 78.399
(<r2>)1/2 8.854