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All results from a given calculation for C2H2N2O (Furazan)

using model chemistry: wB97X-D/Def2TZVPP

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/Def2TZVPP
 hartrees
Energy at 0K-262.059123
Energy at 298.15K 
HF Energy-262.059123
Nuclear repulsion energy165.051454
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/Def2TZVPP
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 3300 3152 0.67 99.07 0.09 0.16
2 A1 1488 1422 12.89 21.86 0.21 0.35
3 A1 1372 1311 4.33 18.76 0.06 0.12
4 A1 1079 1030 26.87 6.67 0.32 0.48
5 A1 1066 1018 0.23 5.29 0.12 0.21
6 A1 941 899 21.10 4.21 0.13 0.22
7 A2 935 893 0.00 0.67 0.75 0.86
8 A2 672 642 0.00 0.04 0.75 0.86
9 B1 879 840 40.47 0.00 0.75 0.86
10 B1 671 641 1.87 0.31 0.75 0.86
11 B2 3286 3139 0.28 52.32 0.75 0.86
12 B2 1620 1548 0.02 0.16 0.75 0.86
13 B2 1216 1162 3.80 0.61 0.75 0.86
14 B2 985 941 18.12 4.32 0.75 0.86
15 B2 961 918 7.39 0.04 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10235.1 cm-1
Scaled (by 0.9552) Zero Point Vibrational Energy (zpe) 9776.6 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/Def2TZVPP
ABC
0.35593 0.33153 0.17165

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/Def2TZVPP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.113
N2 0.000 1.115 0.356
N3 0.000 -1.115 0.356
C4 0.000 0.708 -0.875
C5 0.000 -0.708 -0.875
H6 0.000 1.406 -1.694
H7 0.000 -1.406 -1.694

Atom - Atom Distances (Å)
  O1 N2 N3 C4 C5 H6 H7
O11.34851.34852.11042.11043.13953.1395
N21.34852.23101.29632.19952.07003.2490
N31.34852.23102.19951.29633.24902.0700
C42.11041.29632.19951.41521.07612.2663
C52.11042.19951.29631.41522.26631.0761
H63.13952.07003.24901.07612.26632.8111
H73.13953.24902.07002.26631.07612.8111

picture of Furazan state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 N2 C4 105.850 O1 N3 C5 105.850
N2 O1 N3 111.621 N2 C4 C5 108.339
N2 C4 H6 121.227 N3 C5 C4 108.339
N3 C5 H7 121.227 C4 C5 H7 130.433
C5 C4 H6 130.433
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.016      
2 N -0.089      
3 N -0.089      
4 C -0.047      
5 C -0.047      
6 H 0.144      
7 H 0.144      


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 -3.337 3.337
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.287 0.000 0.000
y 0.000 -29.882 0.000
z 0.000 0.000 -25.066
Traceless
 xyz
x -0.813 0.000 0.000
y 0.000 -3.206 0.000
z 0.000 0.000 4.019
Polar
3z2-r28.038
x2-y21.595
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.532 0.000 0.000
y 0.000 6.219 0.000
z 0.000 0.000 6.261


<r2> (average value of r2) Å2
<r2> 71.321
(<r2>)1/2 8.445