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All results from a given calculation for C2H2N2O (Furazan)

using model chemistry: wB97X-D/CEP-121G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at wB97X-D/CEP-121G
 hartrees
Energy at 0K-48.099959
Energy at 298.15K 
HF Energy-48.099959
Nuclear repulsion energy82.804268
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 wB97X-D/CEP-121G
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 3303 3303 0.05 89.07 0.10 0.19
2 A1 1418 1418 18.24 26.79 0.35 0.52
3 A1 1319 1319 3.42 20.12 0.09 0.16
4 A1 1060 1060 0.86 4.88 0.22 0.36
5 A1 989 989 10.30 8.08 0.35 0.52
6 A1 873 873 26.08 11.43 0.15 0.26
7 A2 904 904 0.00 2.62 0.75 0.86
8 A2 643 643 0.00 0.01 0.75 0.86
9 B1 871 871 61.85 0.08 0.75 0.86
10 B1 607 607 0.94 0.44 0.75 0.86
11 B2 3286 3286 0.00 52.11 0.75 0.86
12 B2 1552 1552 1.58 0.20 0.75 0.86
13 B2 1207 1207 11.98 1.17 0.75 0.86
14 B2 962 962 12.19 6.23 0.75 0.86
15 B2 835 835 0.01 0.97 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9913.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9913.6 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 wB97X-D/CEP-121G
ABC
0.33499 0.30755 0.16034

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/CEP-121G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.162
N2 0.000 1.169 0.353
N3 0.000 -1.169 0.353
C4 0.000 0.723 -0.898
C5 0.000 -0.723 -0.898
H6 0.000 1.408 -1.730
H7 0.000 -1.408 -1.730

Atom - Atom Distances (Å)
  O1 N2 N3 C4 C5 H6 H7
O11.42151.42152.18322.18323.21683.2168
N21.42152.33841.32892.26832.09733.3143
N31.42152.33842.26831.32893.31432.0973
C42.18321.32892.26831.44521.07812.2875
C52.18322.26831.32891.44522.28751.0781
H63.21682.09733.31431.07812.28752.8165
H73.21683.31432.09732.28751.07812.8165

picture of Furazan state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 N2 C4 105.029 O1 N3 C5 105.029
N2 O1 N3 110.668 N2 C4 C5 109.637
N2 C4 H6 120.872 N3 C5 C4 109.637
N3 C5 H7 120.872 C4 C5 H7 129.491
C5 C4 H6 129.491
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.176      
2 N 0.092      
3 N 0.092      
4 C -0.233      
5 C -0.233      
6 H 0.229      
7 H 0.229      


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 -4.253 4.253
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.602 0.000 0.000
y 0.000 -30.841 0.000
z 0.000 0.000 -26.165
Traceless
 xyz
x -0.099 0.000 0.000
y 0.000 -3.458 0.000
z 0.000 0.000 3.557
Polar
3z2-r27.114
x2-y22.239
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.846 0.000 0.000
y 0.000 6.081 0.000
z 0.000 0.000 6.205


<r2> (average value of r2) Å2
<r2> 61.429
(<r2>)1/2 7.838