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All results from a given calculation for C2H2N2O (Furazan)

using model chemistry: B3PW91/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B3PW91/6-311G**
 hartrees
Energy at 0K-262.007697
Energy at 298.15K 
HF Energy-262.007697
Nuclear repulsion energy164.297427
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 B3PW91/6-311G**
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 3282 3161 0.57 91.61 0.11 0.20
2 A1 1468 1414 11.88 19.36 0.31 0.47
3 A1 1354 1304 4.55 14.52 0.12 0.22
4 A1 1066 1027 12.56 4.55 0.74 0.85
5 A1 1055 1016 9.04 7.11 0.12 0.21
6 A1 922 888 25.02 5.57 0.14 0.25
7 A2 908 874 0.00 1.03 0.75 0.86
8 A2 662 638 0.00 0.13 0.75 0.86
9 B1 863 831 41.08 0.15 0.75 0.86
10 B1 663 638 1.15 0.50 0.75 0.86
11 B2 3268 3147 0.27 54.60 0.75 0.86
12 B2 1595 1536 0.02 0.05 0.75 0.86
13 B2 1197 1153 5.79 0.66 0.75 0.86
14 B2 975 939 19.01 5.23 0.75 0.86
15 B2 896 863 6.09 0.12 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10087.2 cm-1
Scaled (by 0.9631) Zero Point Vibrational Energy (zpe) 9714.9 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 B3PW91/6-311G**
ABC
0.35363 0.32778 0.17011

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-311G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.117
N2 0.000 1.124 0.356
N3 0.000 -1.124 0.356
C4 0.000 0.709 -0.878
C5 0.000 -0.709 -0.878
H6 0.000 1.408 -1.700
H7 0.000 -1.408 -1.700

Atom - Atom Distances (Å)
  O1 N2 N3 C4 C5 H6 H7
O11.35721.35722.11712.11713.14913.1491
N21.35722.24771.30192.20952.07563.2614
N31.35722.24772.20951.30193.26142.0756
C42.11711.30192.20951.41781.07902.2707
C52.11712.20951.30191.41782.27071.0790
H63.14912.07563.26141.07902.27072.8155
H73.14913.26142.07562.27071.07902.8155

picture of Furazan state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 N2 C4 105.512 O1 N3 C5 105.512
N2 O1 N3 111.803 N2 C4 C5 108.586
N2 C4 H6 121.047 N3 C5 C4 108.586
N3 C5 H7 121.047 C4 C5 H7 130.367
C5 C4 H6 130.367
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.111      
2 N -0.086      
3 N -0.086      
4 C -0.006      
5 C -0.006      
6 H 0.148      
7 H 0.148      


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 -3.404 3.404
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.266 0.000 0.000
y 0.000 -29.702 0.000
z 0.000 0.000 -25.296
Traceless
 xyz
x -0.767 0.000 0.000
y 0.000 -2.921 0.000
z 0.000 0.000 3.688
Polar
3z2-r27.376
x2-y21.436
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.699 0.000 0.000
y 0.000 5.762 0.000
z 0.000 0.000 5.808


<r2> (average value of r2) Å2
<r2> 71.797
(<r2>)1/2 8.473