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All results from a given calculation for C2H2N2O (Furazan)

using model chemistry: TPSSh/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 TPSSh/6-311G*
 hartrees
Energy at 0K-262.122751
Energy at 298.15K 
HF Energy-262.122751
Nuclear repulsion energy163.329830
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 TPSSh/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 3276 3156 0.12 96.37 0.12 0.21
2 A1 1456 1402 13.51 17.68 0.38 0.55
3 A1 1341 1291 3.36 16.30 0.10 0.19
4 A1 1066 1026 2.34 4.98 0.37 0.54
5 A1 1027 989 15.45 6.14 0.25 0.41
6 A1 892 859 24.41 7.06 0.14 0.25
7 A2 892 859 0.00 1.28 0.75 0.86
8 A2 653 629 0.00 0.12 0.75 0.86
9 B1 857 825 40.75 0.22 0.75 0.86
10 B1 647 623 0.94 0.47 0.75 0.86
11 B2 3262 3142 0.13 60.42 0.75 0.86
12 B2 1575 1517 0.01 0.03 0.75 0.86
13 B2 1202 1157 5.37 0.71 0.75 0.86
14 B2 964 929 19.77 5.12 0.75 0.86
15 B2 834 804 4.81 0.25 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9971.5 cm-1
Scaled (by 0.9632) Zero Point Vibrational Energy (zpe) 9604.5 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 TPSSh/6-311G*
ABC
0.35056 0.32312 0.16814

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.125
N2 0.000 1.135 0.355
N3 0.000 -1.135 0.355
C4 0.000 0.710 -0.881
C5 0.000 -0.710 -0.881
H6 0.000 1.409 -1.703
H7 0.000 -1.409 -1.703

Atom - Atom Distances (Å)
  O1 N2 N3 C4 C5 H6 H7
O11.37161.37162.12792.12793.15983.1598
N21.37162.27001.30702.22052.07633.2722
N31.37162.27002.22051.30703.27222.0763
C42.12791.30702.22051.41961.07932.2727
C52.12792.22051.30701.41962.27271.0793
H63.15982.07633.27221.07932.27272.8178
H73.15983.27222.07632.27271.07932.8178

picture of Furazan state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 N2 C4 105.172 O1 N3 C5 105.172
N2 O1 N3 111.683 N2 C4 C5 108.986
N2 C4 H6 120.642 N3 C5 C4 108.986
N3 C5 H7 120.642 C4 C5 H7 130.372
C5 C4 H6 130.372
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.118      
2 N -0.092      
3 N -0.092      
4 C -0.084      
5 C -0.084      
6 H 0.234      
7 H 0.234      


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 -3.418 3.418
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.662 0.000 0.000
y 0.000 5.873 0.000
z 0.000 0.000 5.865


<r2> (average value of r2) Å2
<r2> 72.405
(<r2>)1/2 8.509