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All results from a given calculation for C2H2N2O (Furazan)

using model chemistry: B2PLYP=FULLultrafine/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-261.828717
Energy at 298.15K 
HF Energy-261.561149
Nuclear repulsion energy162.943776
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/cc-pVDZ
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 3308 3170 1.07 96.58 0.10 0.19
2 A1 1453 1392 17.19 15.05 0.45 0.62
3 A1 1339 1283 2.48 15.55 0.10 0.19
4 A1 1063 1019 2.15 6.46 0.49 0.66
5 A1 1032 989 12.12 6.09 0.21 0.35
6 A1 899 861 20.73 6.78 0.12 0.21
7 A2 900 862 0.00 1.48 0.75 0.86
8 A2 656 628 0.00 0.33 0.75 0.86
9 B1 856 820 33.53 0.72 0.75 0.86
10 B1 655 627 1.10 0.39 0.75 0.86
11 B2 3294 3156 0.33 57.54 0.75 0.86
12 B2 1563 1498 0.08 0.01 0.75 0.86
13 B2 1186 1136 5.44 0.59 0.75 0.86
14 B2 966 926 20.75 5.10 0.75 0.86
15 B2 856 820 3.22 0.26 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10011.7 cm-1
Scaled (by 0.9582) Zero Point Vibrational Energy (zpe) 9593.2 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/cc-pVDZ
ABC
0.34783 0.32260 0.16737

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.127
N2 0.000 1.135 0.360
N3 0.000 -1.135 0.360
C4 0.000 0.711 -0.885
C5 0.000 -0.711 -0.885
H6 0.000 1.414 -1.713
H7 0.000 -1.414 -1.713

Atom - Atom Distances (Å)
  O1 N2 N3 C4 C5 H6 H7
O11.37011.37012.13352.13353.17203.1720
N21.37012.27061.31492.22642.09093.2854
N31.37012.27062.22641.31493.28542.0909
C42.13351.31492.22641.42171.08622.2806
C52.13352.22641.31491.42172.28061.0862
H63.17202.09093.28541.08622.28062.8285
H73.17203.28542.09092.28061.08622.8285

picture of Furazan state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 N2 C4 105.214 O1 N3 C5 105.214
N2 O1 N3 111.909 N2 C4 C5 108.831
N2 C4 H6 120.810 N3 C5 C4 108.831
N3 C5 H7 120.810 C4 C5 H7 130.359
C5 C4 H6 130.359
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP=FULLultrafine/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.085      
2 N -0.053      
3 N -0.053      
4 C 0.055      
5 C 0.055      
6 H 0.041      
7 H 0.041      


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 -3.213 3.213
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.312 0.000 0.000
y 0.000 -29.651 0.000
z 0.000 0.000 -25.465
Traceless
 xyz
x -0.754 0.000 0.000
y 0.000 -2.763 0.000
z 0.000 0.000 3.517
Polar
3z2-r27.033
x2-y21.339
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.426 0.000 0.000
y 0.000 5.659 0.000
z 0.000 0.000 5.703


<r2> (average value of r2) Å2
<r2> 72.699
(<r2>)1/2 8.526