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All results from a given calculation for C2H3NO (Nitrosoethylene)

using model chemistry: B3PW91/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/TZVP
 hartrees
Energy at 0K-207.870292
Energy at 298.15K 
HF Energy-207.870292
Nuclear repulsion energy104.903335
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 B3PW91/TZVP
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' 3261 3144 0.33 58.62 0.68 0.81
2 A' 3167 3054 4.33 175.58 0.15 0.27
3 A' 3151 3038 4.13 19.30 0.75 0.86
4 A' 1689 1628 3.23 28.48 0.08 0.15
5 A' 1605 1548 141.83 76.05 0.34 0.51
6 A' 1413 1362 25.06 19.51 0.41 0.58
7 A' 1287 1241 1.16 8.69 0.37 0.54
8 A' 1145 1104 77.52 25.82 0.46 0.63
9 A' 892 860 36.52 0.40 0.68 0.81
10 A' 616 594 1.16 8.05 0.21 0.35
11 A' 349 337 1.43 0.82 0.70 0.83
12 A" 1013 976 12.68 2.81 0.75 0.86
13 A" 1006 970 49.21 0.17 0.75 0.86
14 A" 683 659 0.98 3.66 0.75 0.86
15 A" 179 172 0.12 0.65 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10726.8 cm-1
Scaled (by 0.9643) Zero Point Vibrational Energy (zpe) 10343.8 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 B3PW91/TZVP
ABC
1.78800 0.17050 0.15565

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.205 1.213 0.000
C2 0.000 0.649 0.000
N3 -0.048 -0.775 0.000
O4 -1.171 -1.226 0.000
H5 2.090 0.587 0.000
H6 1.334 2.289 0.000
H7 -0.949 1.182 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7
C11.33062.35003.40531.08471.08282.1539
C21.33061.42432.21062.09102.11391.0880
N32.35001.42431.21012.53483.36062.1534
O43.40532.21061.21013.73104.31612.4179
H51.08472.09102.53483.73101.86223.0965
H61.08282.11393.36064.31611.86222.5372
H72.15391.08802.15342.41793.09652.5372

picture of Nitrosoethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 117.046 C1 C2 H7 125.585
C2 C1 H5 119.590 C2 C1 H6 121.964
C2 N3 O4 113.854 N3 C2 H7 117.370
H5 C1 H6 118.446
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.175      
2 C -0.136      
3 N 0.062      
4 O -0.169      
5 H 0.147      
6 H 0.146      
7 H 0.125      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.428 3.016 0.000 3.337
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.647 -0.111 0.000
y -0.111 -23.410 0.000
z 0.000 0.000 -23.635
Traceless
 xyz
x 0.875 -0.111 0.000
y -0.111 -0.269 0.000
z 0.000 0.000 -0.606
Polar
3z2-r2-1.213
x2-y20.762
xy-0.111
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.935 2.232 0.000
y 2.232 6.418 0.000
z 0.000 0.000 2.979


<r2> (average value of r2) Å2
<r2> 75.819
(<r2>)1/2 8.707