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All results from a given calculation for C2H2N2O (Furazan)

using model chemistry: B2PLYP=FULLultrafine/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=FULLultrafine/6-31G*
 hartrees
Energy at 0K-261.808126
Energy at 298.15K 
HF Energy-261.540302
Nuclear repulsion energy162.920336
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=FULLultrafine/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 3328 3157 0.51 91.65 0.10 0.18
2 A1 1463 1387 16.65 15.70 0.48 0.65
3 A1 1351 1281 2.23 14.57 0.12 0.21
4 A1 1084 1028 0.39 5.60 0.38 0.55
5 A1 1030 977 13.73 5.86 0.28 0.44
6 A1 902 856 19.81 7.63 0.12 0.22
7 A2 885 840 0.00 2.18 0.75 0.86
8 A2 653 619 0.00 0.28 0.75 0.86
9 B1 858 814 35.08 1.11 0.75 0.86
10 B1 649 616 1.04 0.56 0.75 0.86
11 B2 3315 3145 0.04 56.86 0.75 0.86
12 B2 1578 1497 0.41 0.01 0.75 0.86
13 B2 1215 1152 5.35 0.55 0.75 0.86
14 B2 969 920 19.87 4.90 0.75 0.86
15 B2 866 821 3.58 0.43 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10072.1 cm-1
Scaled (by 0.9487) Zero Point Vibrational Energy (zpe) 9555.4 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 B2PLYP=FULLultrafine/6-31G*
ABC
0.34802 0.32230 0.16733

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.130
N2 0.000 1.138 0.356
N3 0.000 -1.138 0.356
C4 0.000 0.709 -0.884
C5 0.000 -0.709 -0.884
H6 0.000 1.403 -1.709
H7 0.000 -1.403 -1.709

Atom - Atom Distances (Å)
  O1 N2 N3 C4 C5 H6 H7
O11.37631.37632.13462.13463.16713.1671
N21.37632.27641.31222.22442.08253.2750
N31.37632.27642.22441.31223.27502.0825
C42.13461.31222.22441.41731.07902.2676
C52.13462.22441.31221.41732.26761.0790
H63.16712.08253.27501.07902.26762.8065
H73.16713.27502.08252.26761.07902.8065

picture of Furazan state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 N2 C4 105.095 O1 N3 C5 105.095
N2 O1 N3 111.588 N2 C4 C5 109.110
N2 C4 H6 120.818 N3 C5 C4 109.110
N3 C5 H7 120.818 C4 C5 H7 130.072
C5 C4 H6 130.072
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP=FULLultrafine/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.200      
2 N -0.094      
3 N -0.094      
4 C -0.012      
5 C -0.012      
6 H 0.206      
7 H 0.206      


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 -3.391 3.391
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.232 0.000 0.000
y 0.000 -29.625 0.000
z 0.000 0.000 -25.244
Traceless
 xyz
x -0.798 0.000 0.000
y 0.000 -2.887 0.000
z 0.000 0.000 3.685
Polar
3z2-r27.370
x2-y21.392
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.281 0.000 0.000
y 0.000 5.601 0.000
z 0.000 0.000 5.653


<r2> (average value of r2) Å2
<r2> 72.602
(<r2>)1/2 8.521