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All results from a given calculation for C2H3NO (Nitrosoethylene)

using model chemistry: PBEPBEultrafine/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBEultrafine/3-21G
 hartrees
Energy at 0K-206.480777
Energy at 298.15K 
HF Energy-206.480777
Nuclear repulsion energy101.787925
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 PBEPBEultrafine/3-21G
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' 3197 3168 1.21 59.23 0.66 0.79
2 A' 3108 3079 4.50 146.06 0.17 0.29
3 A' 3092 3064 3.02 17.79 0.52 0.68
4 A' 1619 1604 2.72 19.98 0.14 0.25
5 A' 1411 1398 14.82 16.33 0.38 0.55
6 A' 1258 1247 21.30 13.27 0.29 0.45
7 A' 1243 1232 5.59 11.95 0.37 0.54
8 A' 1070 1060 36.14 21.99 0.51 0.67
9 A' 811 804 50.63 0.76 0.65 0.79
10 A' 573 568 0.58 8.12 0.30 0.46
11 A' 315 312 0.96 0.45 0.66 0.79
12 A" 992 983 37.24 0.24 0.75 0.86
13 A" 976 967 36.45 1.19 0.75 0.86
14 A" 644 638 1.63 8.84 0.75 0.86
15 A" 184 182 0.35 1.63 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10245.3 cm-1
Scaled (by 0.9909) Zero Point Vibrational Energy (zpe) 10152.0 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 PBEPBEultrafine/3-21G
ABC
1.65471 0.16264 0.14809

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.189 1.281 0.000
C2 0.000 0.652 0.000
N3 0.013 -0.810 0.000
O4 -1.203 -1.266 0.000
H5 2.107 0.686 0.000
H6 1.274 2.370 0.000
H7 -0.980 1.142 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7
C11.34482.39853.49391.09441.09202.1725
C21.34481.46162.26402.10732.13881.0955
N32.39851.46161.29892.57333.42032.1899
O43.49392.26401.29893.84284.39952.4188
H51.09442.10732.57333.84281.87843.1201
H61.09202.13883.42034.39951.87842.5663
H72.17251.09552.18992.41883.12012.5663

picture of Nitrosoethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 117.384 C1 C2 H7 125.504
C2 C1 H5 119.168 C2 C1 H6 122.396
C2 N3 O4 110.061 N3 C2 H7 117.112
H5 C1 H6 118.436
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.369      
2 C -0.041      
3 N -0.053      
4 O -0.241      
5 H 0.242      
6 H 0.230      
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
  1.227 2.867 0.000 3.118
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.124 0.050 0.000
y 0.050 -22.939 0.000
z 0.000 0.000 -23.525
Traceless
 xyz
x 1.108 0.050 0.000
y 0.050 -0.114 0.000
z 0.000 0.000 -0.994
Polar
3z2-r2-1.988
x2-y20.815
xy0.050
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.950 2.192 0.000
y 2.192 5.737 0.000
z 0.000 0.000 1.477


<r2> (average value of r2) Å2
<r2> 78.556
(<r2>)1/2 8.863