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All results from a given calculation for C2H2N2O (Furazan)

using model chemistry: B2PLYP/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B2PLYP/6-311G*
 hartrees
Energy at 0K-261.874272
Energy at 298.15K 
HF Energy-261.598802
Nuclear repulsion energy163.323827
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 B2PLYP/6-311G*
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 0.06 91.87 0.12 0.21
2 A1 1446 1446 18.74 16.59 0.43 0.60
3 A1 1341 1341 2.28 16.17 0.09 0.17
4 A1 1069 1069 1.35 4.83 0.36 0.53
5 A1 1033 1033 12.71 5.97 0.27 0.42
6 A1 899 899 23.30 7.51 0.14 0.24
7 A2 882 882 0.00 1.22 0.75 0.86
8 A2 653 653 0.00 0.13 0.75 0.86
9 B1 853 853 42.22 0.23 0.75 0.86
10 B1 652 652 1.02 0.42 0.75 0.86
11 B2 3289 3289 0.04 55.61 0.75 0.86
12 B2 1564 1564 0.18 0.00 0.75 0.86
13 B2 1203 1203 5.88 0.52 0.75 0.86
14 B2 972 972 20.00 4.92 0.75 0.86
15 B2 853 853 3.01 0.41 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10005.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10005.5 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 B2PLYP/6-311G*
ABC
0.34976 0.32376 0.16813

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-311G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.126
N2 0.000 1.134 0.356
N3 0.000 -1.134 0.356
C4 0.000 0.709 -0.882
C5 0.000 -0.709 -0.882
H6 0.000 1.408 -1.703
H7 0.000 -1.408 -1.703

Atom - Atom Distances (Å)
  O1 N2 N3 C4 C5 H6 H7
O11.37041.37042.12992.12993.16033.1603
N21.37042.26741.30902.22052.07763.2712
N31.37042.26742.22051.30903.27122.0776
C42.12991.30902.22051.41881.07802.2708
C52.12992.22051.30901.41882.27081.0780
H63.16032.07763.27121.07802.27082.8156
H73.16033.27122.07762.27081.07802.8156

picture of Furazan state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 N2 C4 105.268 O1 N3 C5 105.268
N2 O1 N3 111.638 N2 C4 C5 108.913
N2 C4 H6 120.705 N3 C5 C4 108.913
N3 C5 H7 120.705 C4 C5 H7 130.382
C5 C4 H6 130.382
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.113      
2 N -0.072      
3 N -0.072      
4 C -0.121      
5 C -0.121      
6 H 0.250      
7 H 0.250      


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 -3.431 3.431
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.576 0.000 0.000
y 0.000 -29.967 0.000
z 0.000 0.000 -25.565
Traceless
 xyz
x -0.810 0.000 0.000
y 0.000 -2.897 0.000
z 0.000 0.000 3.707
Polar
3z2-r27.414
x2-y21.392
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.628 0.000 0.000
y 0.000 5.763 0.000
z 0.000 0.000 5.794


<r2> (average value of r2) Å2
<r2> 72.564
(<r2>)1/2 8.518