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All results from a given calculation for C2H2N2O (Furazan)

using model chemistry: B3LYP/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 B3LYP/6-311G**
 hartrees
Energy at 0K-262.112118
Energy at 298.15K 
HF Energy-262.112118
Nuclear repulsion energy163.588668
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/6-311G**
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 3268 3160 0.36 95.02 0.12 0.21
2 A1 1453 1404 11.66 20.15 0.31 0.47
3 A1 1344 1300 4.94 14.55 0.13 0.24
4 A1 1054 1019 4.03 4.38 0.50 0.66
5 A1 1037 1003 12.80 5.73 0.21 0.34
6 A1 901 871 27.57 6.81 0.14 0.25
7 A2 907 877 0.00 1.23 0.75 0.86
8 A2 659 637 0.00 0.13 0.75 0.86
9 B1 862 833 38.67 0.20 0.75 0.86
10 B1 651 630 1.28 0.48 0.75 0.86
11 B2 3255 3147 0.13 57.27 0.75 0.86
12 B2 1585 1532 0.05 0.04 0.75 0.86
13 B2 1199 1160 5.82 0.70 0.75 0.86
14 B2 974 942 20.77 5.12 0.75 0.86
15 B2 851 823 3.74 0.35 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9999.8 cm-1
Scaled (by 0.9668) Zero Point Vibrational Energy (zpe) 9667.8 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/6-311G**
ABC
0.35137 0.32427 0.16864

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-311G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.125
N2 0.000 1.132 0.354
N3 0.000 -1.132 0.354
C4 0.000 0.711 -0.879
C5 0.000 -0.711 -0.879
H6 0.000 1.406 -1.704
H7 0.000 -1.406 -1.704

Atom - Atom Distances (Å)
  O1 N2 N3 C4 C5 H6 H7
O11.36921.36922.12632.12633.15873.1587
N21.36922.26311.30262.21732.07583.2670
N31.36922.26312.21731.30263.26702.0758
C42.12631.30262.21731.42261.07832.2723
C52.12632.21731.30261.42262.27231.0783
H63.15872.07583.26701.07832.27232.8122
H73.15873.26702.07582.27231.07832.8122

picture of Furazan state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 N2 C4 105.444 O1 N3 C5 105.444
N2 O1 N3 111.470 N2 C4 C5 108.821
N2 C4 H6 121.060 N3 C5 C4 108.821
N3 C5 H7 121.060 C4 C5 H7 130.118
C5 C4 H6 130.118
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.120      
2 N -0.073      
3 N -0.073      
4 C -0.006      
5 C -0.006      
6 H 0.138      
7 H 0.138      


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 -3.440 3.440
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.357 0.000 0.000
y 0.000 -29.905 0.000
z 0.000 0.000 -25.518
Traceless
 xyz
x -0.645 0.000 0.000
y 0.000 -2.968 0.000
z 0.000 0.000 3.612
Polar
3z2-r27.225
x2-y21.548
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.684 0.000 0.000
y 0.000 5.783 0.000
z 0.000 0.000 5.849


<r2> (average value of r2) Å2
<r2> 72.346
(<r2>)1/2 8.506