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All results from a given calculation for C2H2N2O (Furazan)

using model chemistry: B2PLYP/6-311+G(3df,2p)

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/6-311+G(3df,2p)
 hartrees
Energy at 0K-261.950655
Energy at 298.15K 
HF Energy-261.631016
Nuclear repulsion energy163.715617
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/6-311+G(3df,2p)
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 3293 3293 0.90 103.43 0.09 0.16
2 A1 1440 1440 18.98 15.79 0.35 0.51
3 A1 1338 1338 1.69 26.76 0.02 0.04
4 A1 1067 1067 0.70 4.67 0.20 0.33
5 A1 1034 1034 15.81 8.34 0.12 0.22
6 A1 899 899 19.87 6.83 0.10 0.18
7 A2 917 917 0.00 0.03 0.75 0.86
8 A2 658 658 0.00 0.11 0.75 0.86
9 B1 865 865 39.97 0.08 0.75 0.86
10 B1 655 655 1.76 0.22 0.75 0.86
11 B2 3280 3280 0.56 55.38 0.75 0.86
12 B2 1560 1560 0.04 0.01 0.75 0.86
13 B2 1204 1204 4.40 0.45 0.75 0.86
14 B2 967 967 19.53 2.68 0.75 0.86
15 B2 860 860 2.97 0.44 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10017.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10017.6 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 B2PLYP/6-311+G(3df,2p)
ABC
0.35083 0.32588 0.16895

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-311+G(3df,2p)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.125
N2 0.000 1.130 0.355
N3 0.000 -1.130 0.355
C4 0.000 0.707 -0.881
C5 0.000 -0.707 -0.881
H6 0.000 1.402 -1.701
H7 0.000 -1.402 -1.701

Atom - Atom Distances (Å)
  O1 N2 N3 C4 C5 H6 H7
O11.36761.36762.12672.12673.15483.1548
N21.36762.26011.30572.21402.07393.2616
N31.36762.26012.21401.30573.26162.0739
C42.12671.30572.21401.41451.07512.2632
C52.12672.21401.30571.41452.26321.0751
H63.15482.07393.26161.07512.26322.8038
H73.15483.26162.07392.26321.07512.8038

picture of Furazan state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 N2 C4 105.385 O1 N3 C5 105.385
N2 O1 N3 111.443 N2 C4 C5 108.894
N2 C4 H6 120.856 N3 C5 C4 108.894
N3 C5 H7 120.856 C4 C5 H7 130.250
C5 C4 H6 130.250
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.298      
2 N -0.417      
3 N -0.417      
4 C 0.365      
5 C 0.365      
6 H 0.201      
7 H 0.201      


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 -3.402 3.402
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.874 0.000 0.000
y 0.000 -30.368 0.000
z 0.000 0.000 -25.589
Traceless
 xyz
x -0.895 0.000 0.000
y 0.000 -3.137 0.000
z 0.000 0.000 4.032
Polar
3z2-r28.064
x2-y21.494
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.938 0.000 0.000
y 0.000 6.743 0.000
z 0.000 0.000 6.609


<r2> (average value of r2) Å2
<r2> 72.449
(<r2>)1/2 8.512