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All results from a given calculation for C2H2N2O (Furazan)

using model chemistry: B97D3/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B97D3/6-311G*
 hartrees
Energy at 0K-261.953040
Energy at 298.15K 
HF Energy-261.953040
Nuclear repulsion energy162.489708
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 B97D3/6-311G*
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 3219 3219 0.67 99.77 0.12 0.21
2 A1 1413 1413 13.81 16.07 0.41 0.58
3 A1 1306 1306 3.06 16.74 0.10 0.19
4 A1 1041 1041 2.23 5.82 0.38 0.55
5 A1 1002 1002 8.88 4.78 0.27 0.43
6 A1 862 862 24.26 8.48 0.14 0.24
7 A2 856 856 0.00 1.23 0.75 0.86
8 A2 640 640 0.00 0.15 0.75 0.86
9 B1 824 824 40.27 0.32 0.75 0.86
10 B1 637 637 0.82 0.43 0.75 0.86
11 B2 3204 3204 0.55 62.68 0.75 0.86
12 B2 1526 1526 0.03 0.00 0.75 0.86
13 B2 1167 1167 5.43 0.73 0.75 0.86
14 B2 953 953 19.16 5.01 0.75 0.86
15 B2 733 733 5.63 0.26 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9691.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9691.6 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 B97D3/6-311G*
ABC
0.34721 0.31966 0.16644

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-311G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.132
N2 0.000 1.143 0.356
N3 0.000 -1.143 0.356
C4 0.000 0.712 -0.884
C5 0.000 -0.712 -0.884
H6 0.000 1.410 -1.712
H7 0.000 -1.410 -1.712

Atom - Atom Distances (Å)
  O1 N2 N3 C4 C5 H6 H7
O11.38121.38122.13802.13803.17453.1745
N21.38122.28551.31312.23102.08553.2856
N31.38122.28552.23101.31313.28562.0855
C42.13801.31312.23101.42331.08322.2776
C52.13802.23101.31311.42332.27761.0832
H63.17452.08553.28561.08322.27762.8203
H73.17453.28562.08552.27761.08322.8203

picture of Furazan state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 N2 C4 105.007 O1 N3 C5 105.007
N2 O1 N3 111.655 N2 C4 C5 109.166
N2 C4 H6 120.683 N3 C5 C4 109.166
N3 C5 H7 120.683 C4 C5 H7 130.152
C5 C4 H6 130.152
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.108      
2 N -0.081      
3 N -0.081      
4 C -0.092      
5 C -0.092      
6 H 0.226      
7 H 0.226      


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 -3.339 3.339
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.313 0.000 0.000
y 0.000 -29.629 0.000
z 0.000 0.000 -25.326
Traceless
 xyz
x -0.836 0.000 0.000
y 0.000 -2.809 0.000
z 0.000 0.000 3.645
Polar
3z2-r27.289
x2-y21.316
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.683 0.000 0.000
y 0.000 6.035 0.000
z 0.000 0.000 5.964


<r2> (average value of r2) Å2
<r2> 72.943
(<r2>)1/2 8.541