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All results from a given calculation for C2H2N2O (Furazan)

using model chemistry: BLYP/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 BLYP/6-31G
 hartrees
Energy at 0K-261.906725
Energy at 298.15K 
HF Energy-261.906725
Nuclear repulsion energy156.970246
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 BLYP/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 3237 3213 1.54 106.45 0.10 0.19
2 A1 1357 1347 16.63 16.42 0.55 0.71
3 A1 1261 1251 2.51 15.24 0.15 0.27
4 A1 1039 1031 0.09 6.30 0.29 0.45
5 A1 909 902 1.44 3.42 0.68 0.81
6 A1 747 742 13.78 13.57 0.14 0.25
7 A2 882 876 0.00 2.81 0.75 0.86
8 A2 620 615 0.00 0.24 0.75 0.86
9 B1 835 829 44.79 1.27 0.75 0.86
10 B1 573 569 1.26 0.60 0.75 0.86
11 B2 3222 3197 0.00 65.63 0.75 0.86
12 B2 1478 1467 3.72 0.05 0.75 0.86
13 B2 1172 1163 8.69 1.15 0.75 0.86
14 B2 923 916 13.79 5.49 0.75 0.86
15 B2 494 490 1.88 0.62 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9374.7 cm-1
Scaled (by 0.9924) Zero Point Vibrational Energy (zpe) 9303.4 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 BLYP/6-31G
ABC
0.32667 0.29587 0.15525

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.193
N2 0.000 1.205 0.342
N3 0.000 -1.205 0.342
C4 0.000 0.720 -0.902
C5 0.000 -0.720 -0.902
H6 0.000 1.391 -1.755
H7 0.000 -1.391 -1.755

Atom - Atom Distances (Å)
  O1 N2 N3 C4 C5 H6 H7
O11.47511.47512.21542.21543.26003.2600
N21.47512.40911.33472.29152.10533.3365
N31.47512.40912.29151.33473.33652.1053
C42.21541.33472.29151.44021.08532.2766
C52.21542.29151.33471.44022.27661.0853
H63.26002.10533.33651.08532.27662.7810
H73.26003.33652.10532.27661.08532.7810

picture of Furazan state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 N2 C4 103.973 O1 N3 C5 103.973
N2 O1 N3 109.485 N2 C4 C5 111.284
N2 C4 H6 120.563 N3 C5 C4 111.284
N3 C5 H7 120.563 C4 C5 H7 128.153
C5 C4 H6 128.153
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.218      
2 N -0.094      
3 N -0.094      
4 C 0.024      
5 C 0.024      
6 H 0.179      
7 H 0.179      


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 -3.918 3.918
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.451 0.000 0.000
y 0.000 -30.408 0.000
z 0.000 0.000 -26.019
Traceless
 xyz
x -0.238 0.000 0.000
y 0.000 -3.173 0.000
z 0.000 0.000 3.411
Polar
3z2-r26.821
x2-y21.956
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.037 0.000 0.000
y 0.000 6.071 0.000
z 0.000 0.000 5.999


<r2> (average value of r2) Å2
<r2> 77.023
(<r2>)1/2 8.776