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All results from a given calculation for C2H2N2O (Furazan)

using model chemistry: BLYP/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 BLYP/6-31G*
 hartrees
Energy at 0K-261.998101
Energy at 298.15K 
HF Energy-261.998101
Nuclear repulsion energy160.866125
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 BLYP/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 3207 3181 0.00 100.89 0.10 0.19
2 A1 1400 1389 12.06 15.38 0.47 0.64
3 A1 1293 1282 2.63 14.83 0.14 0.24
4 A1 1036 1027 0.69 6.71 0.39 0.56
5 A1 977 969 8.84 4.49 0.32 0.49
6 A1 842 835 20.10 9.02 0.12 0.22
7 A2 852 845 0.00 2.55 0.75 0.86
8 A2 629 624 0.00 0.34 0.75 0.86
9 B1 821 815 29.74 1.60 0.75 0.86
10 B1 618 613 1.05 0.53 0.75 0.86
11 B2 3194 3168 0.19 65.20 0.75 0.86
12 B2 1515 1502 0.15 0.02 0.75 0.86
13 B2 1165 1156 4.98 0.83 0.75 0.86
14 B2 933 925 19.28 5.00 0.75 0.86
15 B2 715 709 5.60 0.37 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9597.9 cm-1
Scaled (by 0.9919) Zero Point Vibrational Energy (zpe) 9520.1 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 BLYP/6-31G*
ABC
0.34096 0.31284 0.16315

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.147
N2 0.000 1.159 0.355
N3 0.000 -1.159 0.355
C4 0.000 0.715 -0.891
C5 0.000 -0.715 -0.891
H6 0.000 1.410 -1.728
H7 0.000 -1.410 -1.728

Atom - Atom Distances (Å)
  O1 N2 N3 C4 C5 H6 H7
O11.40331.40332.15912.15913.20193.2019
N21.40332.31741.32202.25012.09813.3072
N31.40332.31742.25011.32203.30722.0981
C42.15911.32202.25011.43051.08822.2845
C52.15912.25011.32201.43052.28451.0882
H63.20192.09813.30721.08822.28452.8203
H73.20193.30722.09812.28451.08822.8203

picture of Furazan state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 N2 C4 104.747 O1 N3 C5 104.747
N2 O1 N3 111.311 N2 C4 C5 109.598
N2 C4 H6 120.718 N3 C5 C4 109.598
N3 C5 H7 120.718 C4 C5 H7 129.684
C5 C4 H6 129.684
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.176      
2 N -0.112      
3 N -0.112      
4 C 0.040      
5 C 0.040      
6 H 0.160      
7 H 0.160      


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 -3.237 3.237
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.061 0.000 0.000
y 0.000 -29.429 0.000
z 0.000 0.000 -25.190
Traceless
 xyz
x -0.751 0.000 0.000
y 0.000 -2.803 0.000
z 0.000 0.000 3.554
Polar
3z2-r27.109
x2-y21.368
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.315 0.000 0.000
y 0.000 5.895 0.000
z 0.000 0.000 5.860


<r2> (average value of r2) Å2
<r2> 73.895
(<r2>)1/2 8.596