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All results from a given calculation for C2H2N2O (Furazan)

using model chemistry: B97D3/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B97D3/6-31G*
 hartrees
Energy at 0K-261.891820
Energy at 298.15K 
HF Energy-261.891820
Nuclear repulsion energy162.146232
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 B97D3/6-31G*
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 3241 3177 0.08 100.27 0.10 0.18
2 A1 1424 1396 12.20 14.74 0.47 0.64
3 A1 1312 1286 2.69 15.25 0.13 0.22
4 A1 1051 1030 1.07 6.62 0.41 0.58
5 A1 1004 984 10.39 4.93 0.27 0.43
6 A1 871 854 20.69 8.28 0.12 0.22
7 A2 859 842 0.00 2.12 0.75 0.86
8 A2 639 626 0.00 0.32 0.75 0.86
9 B1 827 811 33.89 1.26 0.75 0.86
10 B1 635 623 0.84 0.57 0.75 0.86
11 B2 3227 3164 0.42 64.24 0.75 0.86
12 B2 1534 1504 0.13 0.03 0.75 0.86
13 B2 1174 1151 4.86 0.73 0.75 0.86
14 B2 949 930 18.73 4.96 0.75 0.86
15 B2 761 746 6.58 0.26 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9752.7 cm-1
Scaled (by 0.9804) Zero Point Vibrational Energy (zpe) 9561.6 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 B97D3/6-31G*
ABC
0.34548 0.31860 0.16575

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.134
N2 0.000 1.145 0.358
N3 0.000 -1.145 0.358
C4 0.000 0.712 -0.887
C5 0.000 -0.712 -0.887
H6 0.000 1.409 -1.718
H7 0.000 -1.409 -1.718

Atom - Atom Distances (Å)
  O1 N2 N3 C4 C5 H6 H7
O11.38361.38362.14222.14223.18093.1809
N21.38362.29101.31772.23572.09253.2913
N31.38362.29102.23571.31773.29132.0925
C42.14221.31772.23571.42381.08482.2778
C52.14222.23571.31771.42382.27781.0848
H63.18092.09253.29131.08482.27782.8172
H73.18093.29132.09252.27781.08482.8172

picture of Furazan state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 N2 C4 104.908 O1 N3 C5 104.908
N2 O1 N3 111.766 N2 C4 C5 109.209
N2 C4 H6 120.834 N3 C5 C4 109.209
N3 C5 H7 120.834 C4 C5 H7 129.956
C5 C4 H6 129.956
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.182      
2 N -0.107      
3 N -0.107      
4 C 0.008      
5 C 0.008      
6 H 0.190      
7 H 0.190      


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 -3.258 3.258
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.989 0.000 0.000
y 0.000 -29.242 0.000
z 0.000 0.000 -24.955
Traceless
 xyz
x -0.890 0.000 0.000
y 0.000 -2.770 0.000
z 0.000 0.000 3.660
Polar
3z2-r27.320
x2-y21.253
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.329 0.000 0.000
y 0.000 5.846 0.000
z 0.000 0.000 5.800


<r2> (average value of r2) Å2
<r2> 72.943
(<r2>)1/2 8.541