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All results from a given calculation for C2H2N2O (Furazan)

using model chemistry: HF/6-31G*

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/6-31G*
 hartrees
Energy at 0K-260.547385
Energy at 298.15K 
HF Energy-260.547385
Nuclear repulsion energy166.629971
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/6-31G*
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 3483 3129 0.02 85.11 0.10 0.18
2 A1 1668 1499 6.83 26.17 0.21 0.35
3 A1 1488 1337 5.74 12.53 0.30 0.47
4 A1 1162 1044 45.48 6.81 0.37 0.54
5 A1 1125 1011 0.55 2.06 0.16 0.28
6 A1 1008 906 35.47 4.54 0.12 0.22
7 A2 1035 930 0.00 3.49 0.75 0.86
8 A2 717 644 0.00 0.11 0.75 0.86
9 B1 976 877 34.13 0.34 0.75 0.86
10 B1 696 626 1.01 1.27 0.75 0.86
11 B2 3469 3117 0.42 54.63 0.75 0.86
12 B2 1820 1635 0.12 0.95 0.75 0.86
13 B2 1345 1209 2.62 1.03 0.75 0.86
14 B2 1141 1025 0.74 0.54 0.75 0.86
15 B2 1057 950 29.26 4.98 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 11094.1 cm-1
Scaled (by 0.8985) Zero Point Vibrational Energy (zpe) 9968.0 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/6-31G*
ABC
0.36462 0.33543 0.17471

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.100
N2 0.000 1.102 0.351
N3 0.000 -1.102 0.351
C4 0.000 0.714 -0.864
C5 0.000 -0.714 -0.864
H6 0.000 1.406 -1.678
H7 0.000 -1.406 -1.678

Atom - Atom Distances (Å)
  O1 N2 N3 C4 C5 H6 H7
O11.33281.33282.08982.08983.11403.1140
N21.33282.20441.27512.18522.05183.2265
N31.33282.20442.18521.27513.22652.0518
C42.08981.27512.18521.42871.06872.2717
C52.08982.18521.27511.42872.27171.0687
H63.11402.05183.22651.06872.27172.8126
H73.11403.22652.05182.27171.06872.8126

picture of Furazan state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 N2 C4 106.499 O1 N3 C5 106.499
N2 O1 N3 111.586 N2 C4 C5 107.709
N2 C4 H6 121.941 N3 C5 C4 107.709
N3 C5 H7 121.941 C4 C5 H7 130.350
C5 C4 H6 130.350
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.295      
2 N -0.064      
3 N -0.064      
4 C -0.041      
5 C -0.041      
6 H 0.252      
7 H 0.252      


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 -28.390 0.000 0.000
y 0.000 -29.797 0.000
z 0.000 0.000 -25.329
Traceless
 xyz
x -0.827 0.000 0.000
y 0.000 -2.938 0.000
z 0.000 0.000 3.765
Polar
3z2-r27.530
x2-y21.408
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.251 0.000 0.000
y 0.000 4.979 0.000
z 0.000 0.000 5.524


<r2> (average value of r2) Å2
<r2> 70.467
(<r2>)1/2 8.394