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All results from a given calculation for C2H2N2O (Furazan)

using model chemistry: B97D3/STO-3G

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/STO-3G
 hartrees
Energy at 0K-258.591957
Energy at 298.15K 
HF Energy-258.591957
Nuclear repulsion energy155.494191
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/STO-3G
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 3432 3432 26.46 55.92 0.12 0.22
2 A1 1417 1417 26.61 10.84 0.74 0.85
3 A1 1250 1250 0.22 11.04 0.09 0.17
4 A1 1084 1084 0.10 8.61 0.41 0.58
5 A1 1008 1008 1.59 9.05 0.23 0.37
6 A1 882 882 0.93 1.86 0.17 0.29
7 A2 858 858 0.00 1.62 0.75 0.86
8 A2 609 609 0.00 0.44 0.75 0.86
9 B1 808 808 22.00 1.40 0.75 0.86
10 B1 564 564 1.00 0.21 0.75 0.86
11 B2 3410 3410 9.93 42.67 0.75 0.86
12 B2 1495 1495 15.27 0.00 0.75 0.86
13 B2 1158 1158 2.13 0.82 0.75 0.86
14 B2 933 933 7.03 2.26 0.75 0.86
15 B2 907 907 3.00 3.10 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9906.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9906.9 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 B97D3/STO-3G
ABC
0.31695 0.29423 0.15258

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/STO-3G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.188
N2 0.000 1.210 0.369
N3 0.000 -1.210 0.369
C4 0.000 0.717 -0.925
C5 0.000 -0.717 -0.925
H6 0.000 1.405 -1.787
H7 0.000 -1.405 -1.787

Atom - Atom Distances (Å)
  O1 N2 N3 C4 C5 H6 H7
O11.46071.46072.23132.23133.29013.2901
N21.46072.41931.38492.32102.16533.3890
N31.46072.41932.32101.38493.38902.1653
C42.23131.38492.32101.43391.10292.2902
C52.23132.32101.38491.43392.29021.1029
H63.29012.16533.38901.10292.29022.8095
H73.29013.38902.16532.29021.10292.8095

picture of Furazan state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 N2 C4 103.249 O1 N3 C5 103.249
N2 O1 N3 111.819 N2 C4 C5 110.842
N2 C4 H6 120.576 N3 C5 C4 110.842
N3 C5 H7 120.576 C4 C5 H7 128.583
C5 C4 H6 128.583
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O 0.019      
2 N -0.091      
3 N -0.091      
4 C -0.031      
5 C -0.031      
6 H 0.113      
7 H 0.113      


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 -2.358 2.358
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.715 0.000 0.000
y 0.000 -28.104 0.000
z 0.000 0.000 -23.897
Traceless
 xyz
x 0.285 0.000 0.000
y 0.000 -3.298 0.000
z 0.000 0.000 3.013
Polar
3z2-r26.026
x2-y22.388
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.870 0.000 0.000
y 0.000 3.882 0.000
z 0.000 0.000 3.882


<r2> (average value of r2) Å2
<r2> 76.636
(<r2>)1/2 8.754