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All results from a given calculation for C2H2N2O (Furazan)

using model chemistry: B1B95/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B1B95/6-311G**
 hartrees
Energy at 0K-262.016432
Energy at 298.15K 
HF Energy-262.016432
Nuclear repulsion energy165.012728
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 B1B95/6-311G**
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 3302 3170 0.49 92.29 0.11 0.20
2 A1 1491 1432 11.17 19.78 0.29 0.45
3 A1 1372 1317 4.49 14.01 0.13 0.23
4 A1 1078 1035 20.36 5.17 0.70 0.82
5 A1 1066 1023 6.26 7.16 0.11 0.20
6 A1 933 895 23.29 4.68 0.15 0.25
7 A2 915 878 0.00 1.17 0.75 0.86
8 A2 666 639 0.00 0.13 0.75 0.86
9 B1 870 835 39.77 0.19 0.75 0.86
10 B1 667 640 1.05 0.49 0.75 0.86
11 B2 3288 3156 0.20 54.91 0.75 0.86
12 B2 1621 1556 0.01 0.07 0.75 0.86
13 B2 1206 1158 5.33 0.67 0.75 0.86
14 B2 977 938 16.53 5.25 0.75 0.86
15 B2 936 899 8.25 0.00 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10192.6 cm-1
Scaled (by 0.9601) Zero Point Vibrational Energy (zpe) 9785.9 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 B1B95/6-311G**
ABC
0.35660 0.33070 0.17158

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-311G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.112
N2 0.000 1.118 0.356
N3 0.000 -1.118 0.356
C4 0.000 0.707 -0.874
C5 0.000 -0.707 -0.874
H6 0.000 1.405 -1.693
H7 0.000 -1.405 -1.693

Atom - Atom Distances (Å)
  O1 N2 N3 C4 C5 H6 H7
O11.34941.34942.10792.10793.13683.1368
N21.34942.23601.29722.20082.06893.2503
N31.34942.23602.20081.29723.25032.0689
C42.10791.29722.20081.41371.07612.2652
C52.10792.20081.29721.41372.26521.0761
H63.13682.06893.25031.07612.26522.8105
H73.13683.25032.06892.26521.07612.8105

picture of Furazan state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 N2 C4 105.573 O1 N3 C5 105.573
N2 O1 N3 111.897 N2 C4 C5 108.478
N2 C4 H6 121.051 N3 C5 C4 108.478
N3 C5 H7 121.051 C4 C5 H7 130.470
C5 C4 H6 130.470
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.114      
2 N -0.079      
3 N -0.079      
4 C -0.013      
5 C -0.013      
6 H 0.150      
7 H 0.150      


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 -3.375 3.375
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.190 0.000 0.000
y 0.000 -29.608 0.000
z 0.000 0.000 -25.285
Traceless
 xyz
x -0.743 0.000 0.000
y 0.000 -2.871 0.000
z 0.000 0.000 3.614
Polar
3z2-r27.227
x2-y21.419
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.679 0.000 0.000
y 0.000 5.671 0.000
z 0.000 0.000 5.749


<r2> (average value of r2) Å2
<r2> 71.304
(<r2>)1/2 8.444