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All results from a given calculation for C2H2N2O (Furazan)

using model chemistry: TPSSh/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at TPSSh/6-311G**
 hartrees
Energy at 0K-262.126263
Energy at 298.15K 
HF Energy-262.126263
Nuclear repulsion energy163.343180
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 TPSSh/6-311G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3271 3271 0.11 98.96 0.12 0.21
2 A1 1451 1451 13.42 17.75 0.37 0.54
3 A1 1337 1337 3.52 16.47 0.11 0.20
4 A1 1062 1062 2.64 5.21 0.38 0.55
5 A1 1027 1027 15.47 6.25 0.24 0.38
6 A1 892 892 24.31 6.93 0.14 0.25
7 A2 902 902 0.00 1.15 0.75 0.86
8 A2 653 653 0.00 0.13 0.75 0.86
9 B1 862 862 40.26 0.19 0.75 0.86
10 B1 648 648 1.15 0.47 0.75 0.86
11 B2 3257 3257 0.02 60.65 0.75 0.86
12 B2 1571 1571 0.01 0.03 0.75 0.86
13 B2 1196 1196 5.79 0.72 0.75 0.86
14 B2 963 963 19.53 5.17 0.75 0.86
15 B2 835 835 4.79 0.22 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9963.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9963.9 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 TPSSh/6-311G**
ABC
0.35041 0.32334 0.16817

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/6-311G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.125
N2 0.000 1.135 0.355
N3 0.000 -1.135 0.355
C4 0.000 0.710 -0.881
C5 0.000 -0.710 -0.881
H6 0.000 1.407 -1.704
H7 0.000 -1.407 -1.704

Atom - Atom Distances (Å)
  O1 N2 N3 C4 C5 H6 H7
O11.37121.37122.12812.12813.16003.1600
N21.37122.26931.30732.22052.07773.2714
N31.37122.26932.22051.30733.27142.0777
C42.12811.30732.22051.41961.07882.2712
C52.12812.22051.30731.41962.27121.0788
H63.16002.07773.27141.07882.27122.8137
H73.16003.27142.07772.27121.07882.8137

picture of Furazan state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 N2 C4 105.193 O1 N3 C5 105.193
N2 O1 N3 111.686 N2 C4 C5 108.964
N2 C4 H6 120.784 N3 C5 C4 108.964
N3 C5 H7 120.784 C4 C5 H7 130.252
C5 C4 H6 130.252
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.117      
2 N -0.093      
3 N -0.093      
4 C 0.016      
5 C 0.016      
6 H 0.136      
7 H 0.136      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -3.406 3.406
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.701 0.000 0.000
y 0.000 5.898 0.000
z 0.000 0.000 5.895


<r2> (average value of r2) Å2
<r2> 72.395
(<r2>)1/2 8.509