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All results from a given calculation for C2H2N2O (Furazan)

using model chemistry: B2PLYP/daug-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 B2PLYP/daug-cc-pVTZ
 hartrees
Energy at 0K-261.962239
Energy at 298.15K 
HF Energy-261.637372
Nuclear repulsion energy163.485547
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/daug-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 3294 3294 0.79 105.98 0.08 0.15
2 A1 1438 1438 19.53 15.79 0.34 0.51
3 A1 1334 1334 1.72 28.18 0.02 0.04
4 A1 1065 1065 0.77 4.67 0.20 0.33
5 A1 1025 1025 14.57 8.25 0.11 0.20
6 A1 890 890 20.37 7.83 0.09 0.16
7 A2 918 918 0.00 0.03 0.75 0.86
8 A2 658 658 0.00 0.11 0.75 0.86
9 B1 865 865 39.88 0.06 0.75 0.86
10 B1 652 652 1.86 0.24 0.75 0.86
11 B2 3280 3280 0.48 55.43 0.75 0.86
12 B2 1556 1556 0.05 0.00 0.75 0.86
13 B2 1199 1199 4.44 0.45 0.75 0.86
14 B2 966 966 20.02 2.44 0.75 0.86
15 B2 842 842 2.51 0.43 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9990.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9990.8 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 B2PLYP/daug-cc-pVTZ
ABC
0.35000 0.32485 0.16848

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/daug-cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.128
N2 0.000 1.133 0.354
N3 0.000 -1.133 0.354
C4 0.000 0.707 -0.881
C5 0.000 -0.707 -0.881
H6 0.000 1.401 -1.702
H7 0.000 -1.401 -1.702

Atom - Atom Distances (Å)
  O1 N2 N3 C4 C5 H6 H7
O11.37161.37162.12982.12983.15783.1578
N21.37162.26521.30642.21622.07373.2632
N31.37162.26522.21621.30643.26322.0737
C42.12981.30642.21621.41481.07492.2628
C52.12982.21621.30641.41482.26281.0749
H63.15782.07373.26321.07492.26282.8025
H73.15783.26322.07372.26281.07492.8025

picture of Furazan state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 N2 C4 105.339 O1 N3 C5 105.339
N2 O1 N3 111.333 N2 C4 C5 108.994
N2 C4 H6 120.804 N3 C5 C4 108.994
N3 C5 H7 120.804 C4 C5 H7 130.202
C5 C4 H6 130.202
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/daug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.364      
2 N -0.759      
3 N -0.759      
4 C -0.077      
5 C -0.077      
6 H 1.018      
7 H 1.018      


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 -3.395 3.395
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.796 0.000 0.000
y 0.000 -30.420 0.000
z 0.000 0.000 -25.591
Traceless
 xyz
x -0.790 0.000 0.000
y 0.000 -3.227 0.000
z 0.000 0.000 4.017
Polar
3z2-r28.034
x2-y21.624
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.000 0.000 0.000
y 0.000 6.836 0.000
z 0.000 0.000 6.689


<r2> (average value of r2) Å2
<r2> 72.584
(<r2>)1/2 8.520