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All results from a given calculation for C2H2N2O (Furazan)

using model chemistry: G3B3

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at G3B3
 hartrees
Energy at 0K-261.900541
Energy at 298.15K-261.896051
HF Energy-262.047051
Nuclear repulsion energy163.208365
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/6-31G*
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 3298 3167 0.18 92.91 0.10 0.18
2 A1 1470 1411 10.52 18.12 0.38 0.55
3 A1 1355 1301 4.06 13.76 0.16 0.27
4 A1 1068 1025 0.80 5.18 0.41 0.59
5 A1 1039 998 16.77 5.89 0.27 0.42
6 A1 908 872 22.90 6.66 0.12 0.22
7 A2 899 863 0.00 2.41 0.75 0.86
8 A2 657 631 0.00 0.30 0.75 0.86
9 B1 860 826 31.39 1.15 0.75 0.86
10 B1 648 623 1.09 0.64 0.75 0.86
11 B2 3285 3154 0.01 58.84 0.75 0.86
12 B2 1598 1534 0.13 0.07 0.75 0.86
13 B2 1211 1163 4.63 0.73 0.75 0.86
14 B2 970 932 20.57 5.06 0.75 0.86
15 B2 875 840 4.77 0.32 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10069.9 cm-1
Scaled (by 0.9603) Zero Point Vibrational Energy (zpe) 9670.1 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/6-31G*
ABC
0.34964 0.32292 0.16788

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.127
N2 0.000 1.135 0.355
N3 0.000 -1.135 0.355
C4 0.000 0.711 -0.881
C5 0.000 -0.711 -0.881
H6 0.000 1.407 -1.709
H7 0.000 -1.407 -1.709

Atom - Atom Distances (Å)
  O1 N2 N3 C4 C5 H6 H7
O11.37231.37232.13052.13053.16543.1654
N21.37232.26971.30722.22222.08193.2742
N31.37232.26972.22221.30723.27422.0819
C42.13051.30722.22221.42271.08082.2739
C52.13052.22221.30721.42272.27391.0808
H63.16542.08193.27421.08082.27392.8134
H73.16543.27422.08192.27391.08082.8134

picture of Furazan state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 N2 C4 105.309 O1 N3 C5 105.309
N2 O1 N3 111.592 N2 C4 C5 108.895
N2 C4 H6 121.041 N3 C5 C4 108.895
N3 C5 H7 121.041 C4 C5 H7 130.063
C5 C4 H6 130.063
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.198      
2 N -0.104      
3 N -0.104      
4 C 0.015      
5 C 0.015      
6 H 0.188      
7 H 0.188      


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 -3.353 3.353
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 0.000 0.000 0.000
y 0.000 0.000 0.000
z 0.000 0.000 0.000


<r2> (average value of r2) Å2
<r2> 72.339
(<r2>)1/2 8.505