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All results from a given calculation for C2H2N2O (Furazan)

using model chemistry: B3LYP/SDD

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B3LYP/SDD
 hartrees
Energy at 0K-261.992644
Energy at 298.15K 
HF Energy-261.992644
Nuclear repulsion energy158.856254
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 B3LYP/SDD
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 3325 3196 1.53 97.32 0.09 0.17
2 A1 1397 1343 19.24 20.63 0.38 0.55
3 A1 1301 1251 3.22 18.54 0.16 0.28
4 A1 1057 1016 0.97 5.32 0.20 0.34
5 A1 963 926 4.04 5.92 0.41 0.58
6 A1 837 804 25.07 12.34 0.15 0.26
7 A2 918 883 0.00 0.02 0.75 0.86
8 A2 647 622 0.00 0.42 0.75 0.86
9 B1 861 828 65.90 0.03 0.75 0.86
10 B1 602 579 0.90 0.81 0.75 0.86
11 B2 3306 3178 0.55 52.92 0.75 0.86
12 B2 1526 1467 3.83 0.33 0.75 0.86
13 B2 1199 1153 12.50 0.98 0.75 0.86
14 B2 953 916 11.82 7.44 0.75 0.86
15 B2 733 705 0.86 1.03 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9812.5 cm-1
Scaled (by 0.9613) Zero Point Vibrational Energy (zpe) 9432.7 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 B3LYP/SDD
ABC
0.33224 0.30502 0.15902

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/SDD

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.171
N2 0.000 1.178 0.351
N3 0.000 -1.178 0.351
C4 0.000 0.721 -0.900
C5 0.000 -0.721 -0.900
H6 0.000 1.401 -1.738
H7 0.000 -1.401 -1.738

Atom - Atom Distances (Å)
  O1 N2 N3 C4 C5 H6 H7
O11.43521.43522.19292.19293.22903.2290
N21.43522.35541.33152.27342.10093.3186
N31.43522.35542.27341.33153.31862.1009
C42.19291.33152.27341.44161.07952.2813
C52.19292.27341.33151.44162.28131.0795
H63.22902.10093.31861.07952.28132.8018
H73.22903.31862.10092.28131.07952.8018

picture of Furazan state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 N2 C4 104.793 O1 N3 C5 104.793
N2 O1 N3 110.280 N2 C4 C5 110.067
N2 C4 H6 120.881 N3 C5 C4 110.067
N3 C5 H7 120.881 C4 C5 H7 129.052
C5 C4 H6 129.052
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/SDD Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.169      
2 N 0.024      
3 N 0.024      
4 C -0.223      
5 C -0.223      
6 H 0.284      
7 H 0.284      


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 -4.197 4.197
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.764 0.000 0.000
y 0.000 -30.867 0.000
z 0.000 0.000 -26.104
Traceless
 xyz
x -0.278 0.000 0.000
y 0.000 -3.434 0.000
z 0.000 0.000 3.712
Polar
3z2-r27.424
x2-y22.104
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.331 0.000 0.000
y 0.000 5.931 0.000
z 0.000 0.000 5.900


<r2> (average value of r2) Å2
<r2> 75.882
(<r2>)1/2 8.711