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All results from a given calculation for C2H2N2O (Furazan)

using model chemistry: wB97X-D/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at wB97X-D/6-31G(2df,p)
 hartrees
Energy at 0K-261.974630
Energy at 298.15K 
HF Energy-261.974630
Nuclear repulsion energy164.768724
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 wB97X-D/6-31G(2df,p)
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 3309 3309 0.32 86.22 0.10 0.18
2 A1 1489 1489 10.77 17.89 0.29 0.44
3 A1 1373 1373 5.15 13.50 0.14 0.24
4 A1 1087 1087 24.48 6.87 0.29 0.45
5 A1 1073 1073 0.02 5.56 0.22 0.36
6 A1 947 947 17.81 4.11 0.10 0.18
7 A2 932 932 0.00 1.32 0.75 0.86
8 A2 672 672 0.00 0.29 0.75 0.86
9 B1 881 881 31.87 0.60 0.75 0.86
10 B1 672 672 1.71 0.55 0.75 0.86
11 B2 3294 3294 0.12 53.94 0.75 0.86
12 B2 1621 1621 0.17 0.11 0.75 0.86
13 B2 1219 1219 4.01 0.88 0.75 0.86
14 B2 990 990 6.06 3.88 0.75 0.86
15 B2 975 975 22.12 0.90 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10266.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10266.6 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 wB97X-D/6-31G(2df,p)
ABC
0.35453 0.33056 0.17106

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-31G(2df,p)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.114
N2 0.000 1.117 0.358
N3 0.000 -1.117 0.358
C4 0.000 0.708 -0.877
C5 0.000 -0.708 -0.877
H6 0.000 1.408 -1.697
H7 0.000 -1.408 -1.697

Atom - Atom Distances (Å)
  O1 N2 N3 C4 C5 H6 H7
O11.34881.34882.11332.11333.14383.1438
N21.34882.23451.30142.20442.07573.2559
N31.34882.23452.20441.30143.25592.0757
C42.11331.30142.20441.41681.07772.2696
C52.11332.20441.30141.41682.26961.0777
H63.14382.07573.25591.07772.26962.8160
H73.14383.25592.07572.26961.07772.8160

picture of Furazan state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 N2 C4 105.760 O1 N3 C5 105.760
N2 O1 N3 111.858 N2 C4 C5 108.311
N2 C4 H6 121.211 N3 C5 C4 108.311
N3 C5 H7 121.211 C4 C5 H7 130.478
C5 C4 H6 130.478
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.151      
2 N -0.053      
3 N -0.053      
4 C -0.059      
5 C -0.059      
6 H 0.187      
7 H 0.187      


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 -3.252 3.252
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.865 0.000 0.000
y 0.000 -29.192 0.000
z 0.000 0.000 -24.631
Traceless
 xyz
x -0.953 0.000 0.000
y 0.000 -2.944 0.000
z 0.000 0.000 3.898
Polar
3z2-r27.795
x2-y21.328
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.762 0.000 0.000
y 0.000 5.704 0.000
z 0.000 0.000 5.784


<r2> (average value of r2) Å2
<r2> 71.185
(<r2>)1/2 8.437