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All results from a given calculation for C2H2N2O (Furazan)

using model chemistry: B97D3/Def2TZVPP

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/Def2TZVPP
 hartrees
Energy at 0K-261.995651
Energy at 298.15K 
HF Energy-261.995651
Nuclear repulsion energy162.865091
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/Def2TZVPP
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 3221 3177 0.00 111.23 0.09 0.17
2 A1 1407 1388 14.30 15.05 0.33 0.50
3 A1 1306 1288 2.60 22.59 0.04 0.08
4 A1 1040 1025 1.64 5.46 0.30 0.46
5 A1 1005 991 10.73 5.57 0.19 0.32
6 A1 866 854 21.70 8.11 0.12 0.22
7 A2 880 868 0.00 0.65 0.75 0.86
8 A2 645 636 0.00 0.06 0.75 0.86
9 B1 833 822 39.02 0.03 0.75 0.86
10 B1 640 631 1.65 0.24 0.75 0.86
11 B2 3207 3163 0.03 61.69 0.75 0.86
12 B2 1524 1503 0.04 0.04 0.75 0.86
13 B2 1166 1151 4.50 0.65 0.75 0.86
14 B2 952 939 19.82 3.82 0.75 0.86
15 B2 745 735 5.51 0.38 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9718.6 cm-1
Scaled (by 0.9863) Zero Point Vibrational Energy (zpe) 9585.5 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/Def2TZVPP
ABC
0.34797 0.32188 0.16721

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/Def2TZVPP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.131
N2 0.000 1.138 0.355
N3 0.000 -1.138 0.355
C4 0.000 0.710 -0.883
C5 0.000 -0.710 -0.883
H6 0.000 1.405 -1.711
H7 0.000 -1.405 -1.711

Atom - Atom Distances (Å)
  O1 N2 N3 C4 C5 H6 H7
O11.37781.37782.13572.13573.17043.1704
N21.37782.27671.31012.22482.08313.2767
N31.37782.27672.22481.31013.27672.0831
C42.13571.31012.22481.42021.08092.2713
C52.13572.22481.31011.42022.27131.0809
H63.17042.08313.27671.08092.27132.8100
H73.17043.27672.08312.27131.08092.8100

picture of Furazan state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 N2 C4 105.204 O1 N3 C5 105.204
N2 O1 N3 111.429 N2 C4 C5 109.082
N2 C4 H6 120.910 N3 C5 C4 109.082
N3 C5 H7 120.910 C4 C5 H7 130.009
C5 C4 H6 130.009
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O 0.008      
2 N -0.092      
3 N -0.092      
4 C -0.022      
5 C -0.022      
6 H 0.110      
7 H 0.110      


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 -3.236 3.236
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.336 0.000 0.000
y 0.000 -29.951 0.000
z 0.000 0.000 -25.255
Traceless
 xyz
x -0.733 0.000 0.000
y 0.000 -3.155 0.000
z 0.000 0.000 3.888
Polar
3z2-r27.777
x2-y21.615
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.584 0.000 0.000
y 0.000 6.635 0.000
z 0.000 0.000 6.486


<r2> (average value of r2) Å2
<r2> 72.746
(<r2>)1/2 8.529