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All results from a given calculation for C2H2N2O (Furazan)

using model chemistry: B3LYP/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B3LYP/aug-cc-pVTZ
 hartrees
Energy at 0K-262.146020
Energy at 298.15K 
HF Energy-262.146020
Nuclear repulsion energy163.823598
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 B3LYP/aug-cc-pVTZ
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 3269 3162 0.46 106.64 0.08 0.16
2 A1 1452 1405 13.27 21.00 0.22 0.36
3 A1 1345 1301 4.11 24.23 0.04 0.08
4 A1 1055 1021 1.77 3.51 0.26 0.41
5 A1 1034 1001 16.14 7.65 0.11 0.20
6 A1 896 867 24.44 6.79 0.10 0.18
7 A2 923 893 0.00 0.05 0.75 0.86
8 A2 661 640 0.00 0.10 0.75 0.86
9 B1 868 840 39.06 0.06 0.75 0.86
10 B1 652 631 1.88 0.29 0.75 0.86
11 B2 3256 3150 0.23 57.35 0.75 0.86
12 B2 1585 1533 0.01 0.07 0.75 0.86
13 B2 1204 1165 4.21 0.60 0.75 0.86
14 B2 972 940 21.26 2.57 0.75 0.86
15 B2 848 821 3.08 0.41 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10010.1 cm-1
Scaled (by 0.9675) Zero Point Vibrational Energy (zpe) 9684.8 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 B3LYP/aug-cc-pVTZ
ABC
0.35188 0.32566 0.16913

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/aug-cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.126
N2 0.000 1.129 0.352
N3 0.000 -1.129 0.352
C4 0.000 0.710 -0.878
C5 0.000 -0.710 -0.878
H6 0.000 1.402 -1.702
H7 0.000 -1.402 -1.702

Atom - Atom Distances (Å)
  O1 N2 N3 C4 C5 H6 H7
O11.36881.36882.12542.12543.15583.1558
N21.36882.25861.29962.21232.07183.2597
N31.36882.25862.21231.29963.25972.0718
C42.12541.29962.21231.41931.07612.2666
C52.12542.21231.29961.41932.26661.0761
H63.15582.07183.25971.07612.26662.8039
H73.15583.25972.07182.26661.07612.8039

picture of Furazan state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 N2 C4 105.568 O1 N3 C5 105.568
N2 O1 N3 111.185 N2 C4 C5 108.839
N2 C4 H6 121.119 N3 C5 C4 108.839
N3 C5 H7 121.119 C4 C5 H7 130.042
C5 C4 H6 130.042
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.138      
2 N -0.345      
3 N -0.345      
4 C -0.117      
5 C -0.117      
6 H 0.531      
7 H 0.531      


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 -3.411 3.411
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.635 0.000 0.000
y 0.000 -30.354 0.000
z 0.000 0.000 -25.536
Traceless
 xyz
x -0.690 0.000 0.000
y 0.000 -3.269 0.000
z 0.000 0.000 3.959
Polar
3z2-r27.918
x2-y21.719
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.976 0.000 0.000
y 0.000 6.795 0.000
z 0.000 0.000 6.683


<r2> (average value of r2) Å2
<r2> 72.336
(<r2>)1/2 8.505