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All results from a given calculation for C2H2N2O (Furazan)

using model chemistry: wB97X-D/CEP-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at wB97X-D/CEP-31G*
 hartrees
Energy at 0K-48.193619
Energy at 298.15K 
HF Energy-48.193619
Nuclear repulsion energy84.387956
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 wB97X-D/CEP-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 3309 3309 0.63 95.08 0.15 0.27
2 A1 1480 1480 10.71 19.34 0.29 0.45
3 A1 1363 1363 2.95 15.09 0.18 0.31
4 A1 1065 1065 1.20 5.39 0.15 0.27
5 A1 1064 1064 32.21 9.76 0.27 0.43
6 A1 918 918 23.23 4.01 0.27 0.43
7 A2 904 904 0.00 0.12 0.75 0.86
8 A2 649 649 0.00 0.37 0.75 0.86
9 B1 867 867 52.45 0.83 0.75 0.86
10 B1 640 640 0.45 1.09 0.75 0.86
11 B2 3291 3291 0.25 56.40 0.75 0.86
12 B2 1595 1595 0.12 0.47 0.75 0.86
13 B2 1198 1198 5.15 0.63 0.75 0.86
14 B2 979 979 0.66 1.69 0.75 0.86
15 B2 948 948 22.32 5.78 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10134.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10134.9 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 wB97X-D/CEP-31G*
ABC
0.34708 0.31996 0.16649

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/CEP-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.126
N2 0.000 1.134 0.361
N3 0.000 -1.134 0.361
C4 0.000 0.723 -0.887
C5 0.000 -0.723 -0.887
H6 0.000 1.432 -1.710
H7 0.000 -1.432 -1.710

Atom - Atom Distances (Å)
  O1 N2 N3 C4 C5 H6 H7
O11.36761.36762.13932.13933.17703.1770
N21.36762.26791.31472.23782.09283.2976
N31.36762.26792.23781.31473.29762.0928
C42.13931.31472.23781.44591.08592.3064
C52.13932.23781.31471.44592.30641.0859
H63.17702.09283.29761.08592.30642.8635
H73.17703.29762.09282.30641.08592.8635

picture of Furazan state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 N2 C4 105.776 O1 N3 C5 105.776
N2 O1 N3 112.015 N2 C4 C5 108.216
N2 C4 H6 121.035 N3 C5 C4 108.216
N3 C5 H7 121.035 C4 C5 H7 130.749
C5 C4 H6 130.749
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.068      
2 N 0.128      
3 N 0.128      
4 C -0.395      
5 C -0.395      
6 H 0.301      
7 H 0.301      


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 -3.594 3.594
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.193 0.000 0.000
y 0.000 -29.478 0.000
z 0.000 0.000 -24.810
Traceless
 xyz
x -1.049 0.000 0.000
y 0.000 -2.977 0.000
z 0.000 0.000 4.025
Polar
3z2-r28.051
x2-y21.285
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.735 0.000 0.000
y 0.000 5.887 0.000
z 0.000 0.000 5.912


<r2> (average value of r2) Å2
<r2> 59.374
(<r2>)1/2 7.705