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All results from a given calculation for C2H2N2O (Furazan)

using model chemistry: wB97X-D/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-261.977078
Energy at 298.15K 
HF Energy-261.977078
Nuclear repulsion energy164.381817
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/cc-pVDZ
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 3306 3150 1.21 91.08 0.10 0.18
2 A1 1499 1428 11.12 18.57 0.32 0.49
3 A1 1370 1305 4.50 13.27 0.14 0.24
4 A1 1085 1033 25.96 6.66 0.41 0.58
5 A1 1062 1012 0.27 6.48 0.24 0.39
6 A1 942 897 22.05 3.93 0.11 0.21
7 A2 919 876 0.00 1.47 0.75 0.86
8 A2 669 637 0.00 0.29 0.75 0.86
9 B1 868 826 34.92 0.52 0.75 0.86
10 B1 669 637 1.07 0.50 0.75 0.86
11 B2 3292 3136 0.35 53.86 0.75 0.86
12 B2 1625 1548 0.00 0.04 0.75 0.86
13 B2 1199 1142 4.57 0.72 0.75 0.86
14 B2 984 938 13.32 5.30 0.75 0.86
15 B2 966 920 13.41 0.26 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10226.1 cm-1
Scaled (by 0.9526) Zero Point Vibrational Energy (zpe) 9741.4 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/cc-pVDZ
ABC
0.35340 0.32858 0.17027

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.114
N2 0.000 1.120 0.360
N3 0.000 -1.120 0.360
C4 0.000 0.710 -0.879
C5 0.000 -0.710 -0.879
H6 0.000 1.417 -1.703
H7 0.000 -1.417 -1.703

Atom - Atom Distances (Å)
  O1 N2 N3 C4 C5 H6 H7
O11.35051.35052.11582.11583.15383.1538
N21.35052.24041.30462.21032.08443.2702
N31.35052.24042.21031.30463.27022.0844
C42.11581.30462.21031.42091.08592.2818
C52.11582.21031.30461.42092.28181.0859
H63.15382.08443.27021.08592.28182.8342
H73.15383.27022.08442.28181.08592.8342

picture of Furazan state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 N2 C4 105.655 O1 N3 C5 105.655
N2 O1 N3 112.084 N2 C4 C5 108.303
N2 C4 H6 121.100 N3 C5 C4 108.303
N3 C5 H7 121.100 C4 C5 H7 130.596
C5 C4 H6 130.596
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.081      
2 N -0.058      
3 N -0.058      
4 C 0.042      
5 C 0.042      
6 H 0.057      
7 H 0.057      


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 -3.277 3.277
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.084 0.000 0.000
y 0.000 -29.336 0.000
z 0.000 0.000 -25.095
Traceless
 xyz
x -0.868 0.000 0.000
y 0.000 -2.746 0.000
z 0.000 0.000 3.614
Polar
3z2-r27.229
x2-y21.252
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.447 0.000 0.000
y 0.000 5.516 0.000
z 0.000 0.000 5.649


<r2> (average value of r2) Å2
<r2> 71.633
(<r2>)1/2 8.464