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All results from a given calculation for C2H2N2O (Furazan)

using model chemistry: B1B95/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B1B95/6-31+G**
 hartrees
Energy at 0K-261.967315
Energy at 298.15K 
HF Energy-261.967315
Nuclear repulsion energy164.590622
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 B1B95/6-31+G**
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 3323 3178 1.08 103.47 0.10 0.19
2 A1 1501 1436 12.38 22.01 0.25 0.40
3 A1 1375 1316 3.54 19.71 0.06 0.11
4 A1 1079 1032 8.44 3.36 0.67 0.80
5 A1 1072 1025 20.89 10.58 0.09 0.17
6 A1 933 893 20.56 3.88 0.12 0.22
7 A2 909 870 0.00 0.35 0.75 0.86
8 A2 659 630 0.00 0.18 0.75 0.86
9 B1 866 829 44.27 0.01 0.75 0.86
10 B1 660 631 1.10 0.49 0.75 0.86
11 B2 3309 3165 0.35 60.07 0.75 0.86
12 B2 1627 1556 0.00 0.14 0.75 0.86
13 B2 1212 1160 4.60 0.65 0.75 0.86
14 B2 973 931 10.52 3.97 0.75 0.86
15 B2 950 909 12.68 0.05 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10223.3 cm-1
Scaled (by 0.9566) Zero Point Vibrational Energy (zpe) 9779.6 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 B1B95/6-31+G**
ABC
0.35454 0.32925 0.17071

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31+G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.115
N2 0.000 1.121 0.357
N3 0.000 -1.121 0.357
C4 0.000 0.708 -0.877
C5 0.000 -0.708 -0.877
H6 0.000 1.406 -1.698
H7 0.000 -1.406 -1.698

Atom - Atom Distances (Å)
  O1 N2 N3 C4 C5 H6 H7
O11.35301.35302.11362.11363.14443.1444
N21.35302.24191.30132.20612.07453.2572
N31.35302.24192.20611.30133.25722.0745
C42.11361.30132.20611.41551.07782.2678
C52.11362.20611.30131.41552.26781.0778
H63.14442.07453.25721.07782.26782.8126
H73.14443.25722.07452.26781.07782.8126

picture of Furazan state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 N2 C4 105.539 O1 N3 C5 105.539
N2 O1 N3 111.893 N2 C4 C5 108.515
N2 C4 H6 121.085 N3 C5 C4 108.515
N3 C5 H7 121.085 C4 C5 H7 130.401
C5 C4 H6 130.401
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O 0.183      
2 N -0.198      
3 N -0.198      
4 C -0.084      
5 C -0.084      
6 H 0.191      
7 H 0.191      


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 -3.455 3.455
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.585 0.000 0.000
y 0.000 -30.094 0.000
z 0.000 0.000 -25.397
Traceless
 xyz
x -0.839 0.000 0.000
y 0.000 -3.103 0.000
z 0.000 0.000 3.942
Polar
3z2-r27.884
x2-y21.509
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.461 0.000 0.000
y 0.000 6.347 0.000
z 0.000 0.000 6.270


<r2> (average value of r2) Å2
<r2> 71.779
(<r2>)1/2 8.472