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All results from a given calculation for C2H2N2O (Furazan)

using model chemistry: B97D3/daug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B97D3/daug-cc-pVTZ
 hartrees
Energy at 0K-261.989826
Energy at 298.15K 
HF Energy-261.989826
Nuclear repulsion energy162.761321
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 B97D3/daug-cc-pVTZ
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 3219 3219 0.00 114.69 0.09 0.16
2 A1 1405 1405 15.03 15.12 0.32 0.49
3 A1 1303 1303 2.47 28.13 0.03 0.05
4 A1 1039 1039 1.64 5.07 0.24 0.39
5 A1 1001 1001 10.93 7.09 0.09 0.17
6 A1 861 861 20.99 8.35 0.10 0.18
7 A2 883 883 0.00 0.05 0.75 0.86
8 A2 644 644 0.00 0.11 0.75 0.86
9 B1 834 834 40.19 0.02 0.75 0.86
10 B1 638 638 1.55 0.24 0.75 0.86
11 B2 3205 3205 0.01 63.56 0.75 0.86
12 B2 1521 1521 0.02 0.02 0.75 0.86
13 B2 1164 1164 4.24 0.59 0.75 0.86
14 B2 950 950 19.36 2.28 0.75 0.86
15 B2 740 740 5.01 0.29 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9704.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9704.0 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 B97D3/daug-cc-pVTZ
ABC
0.34761 0.32141 0.16700

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/daug-cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.132
N2 0.000 1.140 0.354
N3 0.000 -1.140 0.354
C4 0.000 0.710 -0.883
C5 0.000 -0.710 -0.883
H6 0.000 1.405 -1.711
H7 0.000 -1.405 -1.711

Atom - Atom Distances (Å)
  O1 N2 N3 C4 C5 H6 H7
O11.37991.37992.13722.13723.17163.1716
N21.37992.27921.31022.22562.08263.2771
N31.37992.27922.22561.31023.27712.0826
C42.13721.31022.22561.42011.08062.2709
C52.13722.22561.31021.42012.27091.0806
H63.17162.08263.27711.08062.27092.8091
H73.17163.27712.08262.27091.08062.8091

picture of Furazan state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 N2 C4 105.183 O1 N3 C5 105.183
N2 O1 N3 111.357 N2 C4 C5 109.138
N2 C4 H6 120.869 N3 C5 C4 109.138
N3 C5 H7 120.869 C4 C5 H7 129.993
C5 C4 H6 129.993
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/daug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.444      
2 N -0.829      
3 N -0.829      
4 C 0.333      
5 C 0.333      
6 H 0.718      
7 H 0.718      


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 -3.270 3.270
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.485 0.000 0.000
y 0.000 -30.139 0.000
z 0.000 0.000 -25.372
Traceless
 xyz
x -0.730 0.000 0.000
y 0.000 -3.210 0.000
z 0.000 0.000 3.940
Polar
3z2-r27.880
x2-y21.654
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.066 0.000 0.000
y 0.000 7.107 0.000
z 0.000 0.000 6.855


<r2> (average value of r2) Å2
<r2> 72.904
(<r2>)1/2 8.538