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All results from a given calculation for C2H2N2O (Furazan)

using model chemistry: B97D3/daug-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 B97D3/daug-cc-pVDZ
 hartrees
Energy at 0K-261.935347
Energy at 298.15K 
HF Energy-261.935347
Nuclear repulsion energy162.080813
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/daug-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 3225 3225 0.00 117.70 0.09 0.16
2 A1 1412 1412 15.26 15.30 0.31 0.47
3 A1 1301 1301 2.30 28.46 0.03 0.05
4 A1 1037 1037 2.03 5.50 0.26 0.41
5 A1 1000 1000 11.33 7.81 0.09 0.16
6 A1 861 861 20.38 8.22 0.10 0.18
7 A2 870 870 0.00 0.04 0.75 0.86
8 A2 638 638 0.00 0.12 0.75 0.86
9 B1 823 823 41.46 0.02 0.75 0.86
10 B1 634 634 1.46 0.23 0.75 0.86
11 B2 3211 3211 0.04 65.80 0.75 0.86
12 B2 1519 1519 0.00 0.02 0.75 0.86
13 B2 1154 1154 4.35 0.58 0.75 0.86
14 B2 943 943 19.14 2.37 0.75 0.86
15 B2 745 745 5.04 0.25 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9686.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9686.5 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/daug-cc-pVDZ
ABC
0.34484 0.31864 0.16561

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/daug-cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.135
N2 0.000 1.144 0.358
N3 0.000 -1.144 0.358
C4 0.000 0.713 -0.887
C5 0.000 -0.713 -0.887
H6 0.000 1.413 -1.721
H7 0.000 -1.413 -1.721

Atom - Atom Distances (Å)
  O1 N2 N3 C4 C5 H6 H7
O11.38291.38292.14422.14423.18553.1855
N21.38292.28871.31812.23652.09593.2953
N31.38292.28872.23651.31813.29532.0959
C42.14421.31812.23651.42641.08782.2833
C52.14422.23651.31811.42642.28331.0878
H63.18552.09593.29531.08782.28332.8254
H73.18553.29532.09592.28331.08782.8254

picture of Furazan state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 N2 C4 105.066 O1 N3 C5 105.066
N2 O1 N3 111.682 N2 C4 C5 109.093
N2 C4 H6 120.889 N3 C5 C4 109.093
N3 C5 H7 120.889 C4 C5 H7 130.018
C5 C4 H6 130.018
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/daug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.045      
2 N 0.084      
3 N 0.084      
4 C 0.853      
5 C 0.853      
6 H -0.915      
7 H -0.915      


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 -3.307 3.307
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.681 0.000 0.000
y 0.000 -30.162 0.000
z 0.000 0.000 -25.418
Traceless
 xyz
x -0.890 0.000 0.000
y 0.000 -3.113 0.000
z 0.000 0.000 4.003
Polar
3z2-r28.007
x2-y21.482
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.119 0.000 0.000
y 0.000 7.207 0.000
z 0.000 0.000 6.939


<r2> (average value of r2) Å2
<r2> 73.437
(<r2>)1/2 8.570