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All results from a given calculation for C2H3NO (Nitrosoethylene)

using model chemistry: PBE1PBE/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 PBE1PBE/STO-3G
 hartrees
Energy at 0K-204.959627
Energy at 298.15K 
HF Energy-204.959627
Nuclear repulsion energy100.901592
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/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' 3594 3171 3.12 40.18 0.73 0.84
2 A' 3473 3063 0.06 60.01 0.19 0.32
3 A' 3431 3026 35.11 24.67 0.20 0.33
4 A' 1819 1604 4.90 16.51 0.13 0.23
5 A' 1631 1439 11.90 16.22 0.19 0.32
6 A' 1527 1347 7.79 27.97 0.44 0.61
7 A' 1354 1194 0.18 7.62 0.70 0.82
8 A' 1155 1019 31.74 13.79 0.71 0.83
9 A' 900 794 36.43 0.42 0.65 0.79
10 A' 567 501 0.02 4.57 0.33 0.50
11 A' 315 278 0.05 0.32 0.71 0.83
12 A" 1085 957 14.64 0.13 0.75 0.86
13 A" 1028 907 16.25 0.23 0.75 0.86
14 A" 623 549 0.51 4.89 0.75 0.86
15 A" 142 125 0.64 0.97 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 11322.0 cm-1
Scaled (by 0.8821) Zero Point Vibrational Energy (zpe) 9987.2 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/STO-3G
ABC
1.61387 0.15844 0.14427

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.169 1.322 0.000
C2 0.000 0.676 0.000
N3 0.015 -0.850 0.000
O4 -1.185 -1.299 0.000
H5 2.113 0.766 0.000
H6 1.233 2.416 0.000
H7 -0.982 1.174 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7
C11.33532.45963.52241.09621.09572.1558
C21.33531.52612.30302.11502.13271.1010
N32.45961.52611.28072.64843.48592.2558
O43.52242.30301.28073.89084.43242.4808
H51.09622.11502.64843.89081.86993.1220
H61.09572.13273.48594.43241.86992.5400
H72.15581.10102.25582.48083.12202.5400

picture of Nitrosoethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 118.389 C1 C2 H7 124.190
C2 C1 H5 120.563 C2 C1 H6 122.332
C2 N3 O4 109.964 N3 C2 H7 117.421
H5 C1 H6 117.104
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.147      
2 C -0.045      
3 N -0.037      
4 O -0.071      
5 H 0.106      
6 H 0.099      
7 H 0.095      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.340 1.871 0.000 1.901
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.560 0.222 0.000
y 0.222 -21.256 0.000
z 0.000 0.000 -21.023
Traceless
 xyz
x 0.580 0.222 0.000
y 0.222 -0.465 0.000
z 0.000 0.000 -0.115
Polar
3z2-r2-0.230
x2-y20.696
xy0.222
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.776 1.668 0.000
y 1.668 3.671 0.000
z 0.000 0.000 0.755


<r2> (average value of r2) Å2
<r2> 79.041
(<r2>)1/2 8.891