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All results from a given calculation for C2H3NO (Nitrosoethylene)

using model chemistry: HF/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 HF/6-31G
 hartrees
Energy at 0K-206.576049
Energy at 298.15K 
HF Energy-206.576049
Nuclear repulsion energy105.149283
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 HF/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' 3452 3117 2.31 63.26 0.67 0.80
2 A' 3388 3059 4.56 99.65 0.25 0.40
3 A' 3352 3027 0.90 53.07 0.11 0.20
4 A' 1855 1675 6.13 91.44 0.22 0.36
5 A' 1771 1599 151.60 102.74 0.34 0.51
6 A' 1578 1425 13.41 28.08 0.39 0.57
7 A' 1432 1293 5.78 17.66 0.40 0.57
8 A' 1281 1157 51.90 35.61 0.52 0.68
9 A' 1001 904 22.98 2.04 0.62 0.77
10 A' 665 600 7.29 7.48 0.31 0.47
11 A' 384 347 1.95 0.29 0.74 0.85
12 A" 1189 1074 36.41 8.24 0.75 0.86
13 A" 1122 1013 57.16 2.51 0.75 0.86
14 A" 764 690 1.87 13.95 0.75 0.86
15 A" 197 178 0.02 0.89 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 11715.1 cm-1
Scaled (by 0.9029) Zero Point Vibrational Energy (zpe) 10577.6 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 HF/6-31G
ABC
1.84450 0.16974 0.15543

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.188 1.231 0.000
C2 0.000 0.650 0.000
N3 -0.046 -0.771 0.000
O4 -1.155 -1.249 0.000
H5 2.083 0.640 0.000
H6 1.292 2.297 0.000
H7 -0.941 1.164 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7
C11.32222.35123.41121.07241.07122.1300
C21.32221.42142.22222.08302.09361.0726
N32.35121.42141.20792.55403.34702.1323
O43.41122.22221.20793.74884.30822.4223
H51.07242.08302.55403.74881.83553.0692
H61.07122.09363.34704.30821.83552.5044
H72.13001.07262.13232.42233.06922.5044

picture of Nitrosoethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 117.911 C1 C2 H7 125.273
C2 C1 H5 120.527 C2 C1 H6 121.677
C2 N3 O4 115.138 N3 C2 H7 116.816
H5 C1 H6 117.796
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.304      
2 C -0.015      
3 N 0.038      
4 O -0.368      
5 H 0.216      
6 H 0.201      
7 H 0.231      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.752 3.468 0.000 3.885
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.050 -0.514 0.000
y -0.514 -24.159 0.000
z 0.000 0.000 -23.847
Traceless
 xyz
x 0.953 -0.514 0.000
y -0.514 -0.710 0.000
z 0.000 0.000 -0.243
Polar
3z2-r2-0.486
x2-y21.109
xy-0.514
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.526 2.425 0.000
y 2.425 5.292 0.000
z 0.000 0.000 1.671


<r2> (average value of r2) Å2
<r2> 76.137
(<r2>)1/2 8.726