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All results from a given calculation for C2H3NO (Nitrosoethylene)

using model chemistry: PBE1PBE/6-31+G**

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/6-31+G**
 hartrees
Energy at 0K-207.656014
Energy at 298.15K 
HF Energy-207.656014
Nuclear repulsion energy104.768354
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/6-31+G**
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' 3296 3149 0.12 62.25 0.68 0.81
2 A' 3201 3058 4.41 168.12 0.17 0.28
3 A' 3184 3042 2.22 18.20 0.56 0.71
4 A' 1708 1632 9.18 25.37 0.03 0.06
5 A' 1647 1574 148.67 104.98 0.36 0.53
6 A' 1416 1353 26.63 22.02 0.44 0.61
7 A' 1287 1230 2.16 8.48 0.29 0.45
8 A' 1168 1115 77.59 26.80 0.43 0.60
9 A' 908 867 27.75 0.16 0.64 0.78
10 A' 622 594 2.25 8.77 0.14 0.25
11 A' 350 334 1.04 0.86 0.70 0.83
12 A" 1013 968 31.46 4.15 0.75 0.86
13 A" 1003 958 39.12 0.33 0.75 0.86
14 A" 684 654 1.27 1.92 0.75 0.86
15 A" 180 172 0.15 0.46 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10833.5 cm-1
Scaled (by 0.9553) Zero Point Vibrational Energy (zpe) 10349.3 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/6-31+G**
ABC
1.77952 0.17035 0.15547

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.213 1.208 0.000
C2 0.000 0.647 0.000
N3 -0.050 -0.773 0.000
O4 -1.178 -1.221 0.000
H5 2.096 0.575 0.000
H6 1.346 2.285 0.000
H7 -0.950 1.182 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7
C11.33662.34923.40891.08661.08472.1631
C21.33661.42082.20882.09742.12001.0897
N32.34921.42081.21432.53383.36112.1516
O43.40892.20881.21433.73454.32032.4136
H51.08662.09742.53383.73451.86703.1057
H61.08472.12003.36114.32031.86702.5475
H72.16311.08972.15162.41363.10572.5475

picture of Nitrosoethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 116.821 C1 C2 H7 125.821
C2 C1 H5 119.530 C2 C1 H6 121.876
C2 N3 O4 113.678 N3 C2 H7 117.358
H5 C1 H6 118.594
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.177      
2 C -0.214      
3 N -0.093      
4 O -0.084      
5 H 0.197      
6 H 0.183      
7 H 0.188      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.501 3.086 0.000 3.431
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.745 -0.033 0.000
y -0.033 -23.518 0.000
z 0.000 0.000 -23.994
Traceless
 xyz
x 1.011 -0.033 0.000
y -0.033 -0.148 0.000
z 0.000 0.000 -0.863
Polar
3z2-r2-1.726
x2-y20.772
xy-0.033
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.232 2.221 0.000
y 2.221 6.644 0.000
z 0.000 0.000 3.216


<r2> (average value of r2) Å2
<r2> 76.016
(<r2>)1/2 8.719