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All results from a given calculation for C2H2N2O (Furazan)

using model chemistry: B2PLYP/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 B2PLYP/6-31G
 hartrees
Energy at 0K-261.615194
Energy at 298.15K 
HF Energy-261.415684
Nuclear repulsion energy158.366895
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 B2PLYP/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 3343 3343 3.90 96.23 0.10 0.18
2 A1 1401 1401 24.14 17.14 0.58 0.73
3 A1 1299 1299 1.31 16.28 0.13 0.23
4 A1 1078 1078 0.00 5.17 0.27 0.43
5 A1 941 941 1.12 3.59 0.70 0.82
6 A1 770 770 15.50 13.98 0.14 0.24
7 A2 906 906 0.00 2.59 0.75 0.86
8 A2 642 642 0.00 0.18 0.75 0.86
9 B1 867 867 50.25 0.81 0.75 0.86
10 B1 596 596 1.30 0.59 0.75 0.86
11 B2 3328 3328 0.39 57.29 0.75 0.86
12 B2 1522 1522 5.35 0.01 0.75 0.86
13 B2 1213 1213 9.28 0.75 0.75 0.86
14 B2 958 958 12.78 5.48 0.75 0.86
15 B2 595 595 0.30 0.78 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9729.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9729.7 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 B2PLYP/6-31G
ABC
0.33134 0.30221 0.15805

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.181
N2 0.000 1.189 0.343
N3 0.000 -1.189 0.343
C4 0.000 0.716 -0.897
C5 0.000 -0.716 -0.897
H6 0.000 1.386 -1.740
H7 0.000 -1.386 -1.740

Atom - Atom Distances (Å)
  O1 N2 N3 C4 C5 H6 H7
O11.45511.45512.19842.19843.23363.2336
N21.45512.37881.32792.27332.09263.3125
N31.45512.37882.27331.32793.31252.0926
C42.19841.32792.27331.43121.07702.2642
C52.19842.27331.32791.43122.26421.0770
H63.23362.09263.31251.07702.26422.7717
H73.23363.31252.09262.26421.07702.7717

picture of Furazan state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 N2 C4 104.268 O1 N3 C5 104.268
N2 O1 N3 109.653 N2 C4 C5 110.905
N2 C4 H6 120.604 N3 C5 C4 110.905
N3 C5 H7 120.604 C4 C5 H7 128.490
C5 C4 H6 128.490
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.252      
2 N -0.083      
3 N -0.083      
4 C -0.013      
5 C -0.013      
6 H 0.222      
7 H 0.222      


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 -4.154 4.154
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.752 0.000 0.000
y 0.000 -30.853 0.000
z 0.000 0.000 -26.362
Traceless
 xyz
x -0.144 0.000 0.000
y 0.000 -3.296 0.000
z 0.000 0.000 3.440
Polar
3z2-r26.881
x2-y22.101
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.008 0.000 0.000
y 0.000 5.798 0.000
z 0.000 0.000 5.828


<r2> (average value of r2) Å2
<r2> 76.217
(<r2>)1/2 8.730