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All results from a given calculation for C2H2N2O (Furazan)

using model chemistry: B3LYPultrafine/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 B3LYPultrafine/Def2TZVPP
 hartrees
Energy at 0K-262.152356
Energy at 298.15K 
HF Energy-262.152356
Nuclear repulsion energy163.938371
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 B3LYPultrafine/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 3272 3272 0.35 104.66 0.09 0.17
2 A1 1454 1454 12.62 19.90 0.25 0.39
3 A1 1348 1348 4.13 19.73 0.06 0.11
4 A1 1056 1056 2.06 3.87 0.34 0.50
5 A1 1039 1039 16.11 6.39 0.19 0.32
6 A1 902 902 24.91 6.63 0.12 0.22
7 A2 920 920 0.00 0.75 0.75 0.86
8 A2 663 663 0.00 0.05 0.75 0.86
9 B1 867 867 38.82 0.00 0.75 0.86
10 B1 654 654 1.96 0.28 0.75 0.86
11 B2 3259 3259 0.13 56.48 0.75 0.86
12 B2 1587 1587 0.02 0.11 0.75 0.86
13 B2 1206 1206 4.44 0.64 0.75 0.86
14 B2 974 974 21.78 3.99 0.75 0.86
15 B2 857 857 3.60 0.49 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10028.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10028.1 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 B3LYPultrafine/Def2TZVPP
ABC
0.35227 0.32619 0.16937

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/Def2TZVPP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.124
N2 0.000 1.128 0.353
N3 0.000 -1.128 0.353
C4 0.000 0.710 -0.878
C5 0.000 -0.710 -0.878
H6 0.000 1.403 -1.701
H7 0.000 -1.403 -1.701

Atom - Atom Distances (Å)
  O1 N2 N3 C4 C5 H6 H7
O11.36631.36632.12382.12383.15433.1543
N21.36632.25571.29972.21152.07243.2594
N31.36632.25572.21151.29973.25942.0724
C42.12381.29972.21151.41931.07652.2674
C52.12382.21151.29971.41932.26741.0765
H63.15432.07243.25941.07652.26742.8058
H73.15433.25942.07242.26741.07652.8058

picture of Furazan state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 N2 C4 105.590 O1 N3 C5 105.590
N2 O1 N3 111.277 N2 C4 C5 108.771
N2 C4 H6 121.137 N3 C5 C4 108.771
N3 C5 H7 121.137 C4 C5 H7 130.091
C5 C4 H6 130.091
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.023      
2 N -0.074      
3 N -0.074      
4 C -0.070      
5 C -0.070      
6 H 0.156      
7 H 0.156      


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 -3.381 3.381
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.516 0.000 0.000
y 0.000 -30.207 0.000
z 0.000 0.000 -25.441
Traceless
 xyz
x -0.692 0.000 0.000
y 0.000 -3.228 0.000
z 0.000 0.000 3.920
Polar
3z2-r27.841
x2-y21.691
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.536 0.000 0.000
y 0.000 6.361 0.000
z 0.000 0.000 6.347


<r2> (average value of r2) Å2
<r2> 72.193
(<r2>)1/2 8.497