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All results from a given calculation for C2H2N2O (Furazan)

using model chemistry: B3PW91/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B3PW91/6-31G
 hartrees
Energy at 0K-261.838294
Energy at 298.15K 
HF Energy-261.838294
Nuclear repulsion energy160.120428
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 B3PW91/6-31G
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 3348 3207 4.20      
2 A1 1439 1378 14.88      
3 A1 1330 1274 6.15      
4 A1 1079 1033 0.21      
5 A1 977 935 2.53      
6 A1 828 793 21.49      
7 A2 943 903 0.00      
8 A2 655 628 0.00      
9 B1 884 847 54.04      
10 B1 615 589 1.11      
11 B2 3333 3192 0.40      
12 B2 1567 1501 3.63      
13 B2 1218 1167 10.64      
14 B2 970 929 13.23      
15 B2 672 644 0.89      

Unscaled Zero Point Vibrational Energy (zpe) 9928.9 cm-1
Scaled (by 0.9577) Zero Point Vibrational Energy (zpe) 9509.0 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 B3PW91/6-31G
ABC
0.33821 0.30944 0.16159

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.162
N2 0.000 1.170 0.346
N3 0.000 -1.170 0.346
C4 0.000 0.714 -0.890
C5 0.000 -0.714 -0.890
H6 0.000 1.389 -1.730
H7 0.000 -1.389 -1.730

Atom - Atom Distances (Å)
  O1 N2 N3 C4 C5 H6 H7
O11.42621.42622.17302.17303.20783.2078
N21.42622.34021.31822.25412.08773.2952
N31.42622.34022.25411.31823.29522.0877
C42.17301.31822.25411.42871.07672.2644
C52.17302.25411.31821.42872.26441.0767
H63.20782.08773.29521.07672.26442.7774
H73.20783.29522.08772.26441.07672.7774

picture of Furazan state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 N2 C4 104.645 O1 N3 C5 104.645
N2 O1 N3 110.257 N2 C4 C5 110.227
N2 C4 H6 120.995 N3 C5 C4 110.227
N3 C5 H7 120.995 C4 C5 H7 128.778
C5 C4 H6 128.778
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.259      
2 N -0.087      
3 N -0.087      
4 C -0.025      
5 C -0.025      
6 H 0.241      
7 H 0.241      


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 -4.118 4.118
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.496 0.000 0.000
y 0.000 -30.446 0.000
z 0.000 0.000 -25.957
Traceless
 xyz
x -0.295 0.000 0.000
y 0.000 -3.220 0.000
z 0.000 0.000 3.514
Polar
3z2-r27.029
x2-y21.950
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.041 0.000 0.000
y 0.000 5.705 0.000
z 0.000 0.000 5.742


<r2> (average value of r2) Å2
<r2> 74.801
(<r2>)1/2 8.649