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All results from a given calculation for C2H2N2O (Furazan)

using model chemistry: HF/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at HF/6-311G*
 hartrees
Energy at 0K-260.604614
Energy at 298.15K 
HF Energy-260.604614
Nuclear repulsion energy167.004907
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 HF/6-311G*
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 3454 3124 0.28 82.57 0.12 0.21
2 A1 1657 1499 7.82 29.14 0.18 0.30
3 A1 1482 1340 5.75 12.67 0.24 0.39
4 A1 1170 1058 47.86 6.61 0.40 0.58
5 A1 1114 1008 0.07 1.83 0.13 0.23
6 A1 1008 912 39.05 4.02 0.15 0.26
7 A2 1025 927 0.00 2.47 0.75 0.86
8 A2 717 648 0.00 0.02 0.75 0.86
9 B1 969 876 37.24 0.01 0.75 0.86
10 B1 700 633 1.07 1.04 0.75 0.86
11 B2 3441 3112 0.65 52.44 0.75 0.86
12 B2 1807 1634 0.02 0.98 0.75 0.86
13 B2 1339 1211 2.63 1.02 0.75 0.86
14 B2 1142 1033 0.81 0.43 0.75 0.86
15 B2 1060 959 29.64 5.11 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 11041.4 cm-1
Scaled (by 0.9044) Zero Point Vibrational Energy (zpe) 9985.8 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 HF/6-311G*
ABC
0.36632 0.33676 0.17546

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-311G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.097
N2 0.000 1.098 0.351
N3 0.000 -1.098 0.351
C4 0.000 0.715 -0.862
C5 0.000 -0.715 -0.862
H6 0.000 1.410 -1.674
H7 0.000 -1.410 -1.674

Atom - Atom Distances (Å)
  O1 N2 N3 C4 C5 H6 H7
O11.32751.32752.08522.08523.10873.1087
N21.32752.19671.27242.18162.04873.2237
N31.32752.19672.18161.27243.22372.0487
C42.08521.27242.18161.42971.06872.2747
C52.08522.18161.27241.42972.27471.0687
H63.10872.04873.22371.06872.27472.8202
H73.10873.22372.04872.27471.06872.8202

picture of Furazan state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 N2 C4 106.629 O1 N3 C5 106.629
N2 O1 N3 111.657 N2 C4 C5 107.542
N2 C4 H6 121.877 N3 C5 C4 107.542
N3 C5 H7 121.877 C4 C5 H7 130.580
C5 C4 H6 130.580
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.182      
2 N -0.073      
3 N -0.073      
4 C -0.103      
5 C -0.103      
6 H 0.266      
7 H 0.266      


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 -3.808 3.808
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.537 0.000 0.000
y 0.000 -29.935 0.000
z 0.000 0.000 -25.510
Traceless
 xyz
x -0.815 0.000 0.000
y 0.000 -2.912 0.000
z 0.000 0.000 3.727
Polar
3z2-r27.453
x2-y21.398
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.583 0.000 0.000
y 0.000 5.072 0.000
z 0.000 0.000 5.614


<r2> (average value of r2) Å2
<r2> 70.353
(<r2>)1/2 8.388