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All results from a given calculation for C2H2N2O (Furazan)

using model chemistry: B1B95/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 B1B95/Def2TZVPP
 hartrees
Energy at 0K-262.057716
Energy at 298.15K 
HF Energy-262.057716
Nuclear repulsion energy165.310370
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 B1B95/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 3303 3303 0.40 102.75 0.09 0.16
2 A1 1488 1488 12.10 19.92 0.22 0.37
3 A1 1372 1372 4.01 18.94 0.06 0.11
4 A1 1076 1076 21.98 4.81 0.57 0.73
5 A1 1069 1069 5.30 7.85 0.08 0.15
6 A1 936 936 19.45 4.17 0.12 0.22
7 A2 925 925 0.00 0.74 0.75 0.86
8 A2 668 668 0.00 0.05 0.75 0.86
9 B1 875 875 38.73 0.01 0.75 0.86
10 B1 669 669 1.71 0.28 0.75 0.86
11 B2 3289 3289 0.13 55.22 0.75 0.86
12 B2 1617 1617 0.01 0.12 0.75 0.86
13 B2 1210 1210 3.88 0.62 0.75 0.86
14 B2 977 977 16.17 4.14 0.75 0.86
15 B2 943 943 9.52 0.00 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10208.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10208.4 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 B1B95/Def2TZVPP
ABC
0.35721 0.33249 0.17220

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/Def2TZVPP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.111
N2 0.000 1.115 0.355
N3 0.000 -1.115 0.355
C4 0.000 0.705 -0.873
C5 0.000 -0.705 -0.873
H6 0.000 1.403 -1.691
H7 0.000 -1.403 -1.691

Atom - Atom Distances (Å)
  O1 N2 N3 C4 C5 H6 H7
O11.34681.34682.10622.10623.13353.1335
N21.34682.22921.29492.19592.06613.2438
N31.34682.22922.19591.29493.24382.0661
C42.10621.29492.19591.41091.07442.2610
C52.10622.19591.29491.41092.26101.0744
H63.13352.06613.24381.07442.26102.8053
H73.13353.24382.06612.26101.07442.8053

picture of Furazan state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 N2 C4 105.730 O1 N3 C5 105.730
N2 O1 N3 111.700 N2 C4 C5 108.420
N2 C4 H6 121.118 N3 C5 C4 108.420
N3 C5 H7 121.118 C4 C5 H7 130.462
C5 C4 H6 130.462
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.004      
2 N -0.091      
3 N -0.091      
4 C -0.043      
5 C -0.043      
6 H 0.136      
7 H 0.136      


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 -3.275 3.275
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.248 0.000 0.000
y 0.000 -29.791 0.000
z 0.000 0.000 -25.107
Traceless
 xyz
x -0.800 0.000 0.000
y 0.000 -3.113 0.000
z 0.000 0.000 3.912
Polar
3z2-r27.825
x2-y21.542
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.484 0.000 0.000
y 0.000 6.220 0.000
z 0.000 0.000 6.216


<r2> (average value of r2) Å2
<r2> 71.125
(<r2>)1/2 8.434