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All results from a given calculation for C2H3NO (Nitrosoethylene)

using model chemistry: PBEPBEultrafine/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 PBEPBEultrafine/6-31+G**
 hartrees
Energy at 0K-207.661783
Energy at 298.15K 
HF Energy-207.661783
Nuclear repulsion energy103.597313
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/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' 3203 3167 0.49 68.26 0.68 0.81
2 A' 3104 3068 2.72 166.65 0.13 0.22
3 A' 3081 3046 9.44 51.16 0.50 0.67
4 A' 1624 1606 1.50 32.68 0.07 0.12
5 A' 1506 1489 130.70 56.07 0.51 0.68
6 A' 1366 1350 27.02 20.51 0.46 0.63
7 A' 1240 1226 1.98 9.51 0.27 0.42
8 A' 1108 1095 75.83 20.94 0.39 0.56
9 A' 862 852 32.58 0.48 0.71 0.83
10 A' 595 589 1.30 11.27 0.14 0.25
11 A' 335 331 0.86 1.23 0.73 0.85
12 A" 963 952 46.08 0.43 0.75 0.86
13 A" 961 950 16.54 3.18 0.75 0.86
14 A" 648 641 0.66 1.50 0.75 0.86
15 A" 175 173 0.20 0.46 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10386.0 cm-1
Scaled (by 0.9886) Zero Point Vibrational Energy (zpe) 10267.6 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 PBEPBEultrafine/6-31+G**
ABC
1.74405 0.16679 0.15223

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.224 1.222 0.000
C2 0.000 0.653 0.000
N3 -0.044 -0.777 0.000
O4 -1.193 -1.236 0.000
H5 2.113 0.584 0.000
H6 1.358 2.307 0.000
H7 -0.958 1.191 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7
C11.35002.36803.44751.09481.09262.1827
C21.35001.43082.23412.11452.13981.0991
N32.36801.43081.23692.55123.38782.1700
O43.44752.23411.23693.77424.36552.4381
H51.09482.11452.55123.77421.88133.1312
H61.09262.13983.38784.36551.88132.5710
H72.18271.09912.17002.43813.13122.5710

picture of Nitrosoethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 116.729 C1 C2 H7 125.747
C2 C1 H5 119.376 C2 C1 H6 121.982
C2 N3 O4 113.548 N3 C2 H7 117.525
H5 C1 H6 118.643
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.189      
2 C -0.171      
3 N -0.126      
4 O -0.056      
5 H 0.191      
6 H 0.176      
7 H 0.175      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.531 3.159 0.000 3.511
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.052 0.066 0.000
y 0.066 -23.737 0.000
z 0.000 0.000 -24.110
Traceless
 xyz
x 0.871 0.066 0.000
y 0.066 -0.155 0.000
z 0.000 0.000 -0.716
Polar
3z2-r2-1.431
x2-y20.684
xy0.066
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.589 2.244 0.000
y 2.244 7.207 0.000
z 0.000 0.000 3.343


<r2> (average value of r2) Å2
<r2> 77.432
(<r2>)1/2 8.800