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All results from a given calculation for C2H2N2O (Furazan)

using model chemistry: B3LYP/daug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B3LYP/daug-cc-pVDZ
 hartrees
Energy at 0K-262.087269
Energy at 298.15K 
HF Energy-262.087269
Nuclear repulsion energy163.141628
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 B3LYP/daug-cc-pVDZ
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 3276 3276 0.63 109.19 0.08 0.15
2 A1 1456 1456 13.84 21.07 0.22 0.36
3 A1 1341 1341 3.90 24.70 0.04 0.08
4 A1 1053 1053 2.56 3.85 0.31 0.47
5 A1 1036 1036 16.56 8.81 0.09 0.17
6 A1 899 899 23.24 6.46 0.10 0.19
7 A2 907 907 0.00 0.08 0.75 0.86
8 A2 656 656 0.00 0.11 0.75 0.86
9 B1 855 855 40.33 0.03 0.75 0.86
10 B1 649 649 1.80 0.28 0.75 0.86
11 B2 3263 3263 0.26 59.40 0.75 0.86
12 B2 1579 1579 0.00 0.06 0.75 0.86
13 B2 1189 1189 4.42 0.57 0.75 0.86
14 B2 965 965 21.14 2.61 0.75 0.86
15 B2 859 859 3.25 0.33 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9991.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9991.9 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 B3LYP/daug-cc-pVDZ
ABC
0.34907 0.32289 0.16773

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/daug-cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.128
N2 0.000 1.134 0.356
N3 0.000 -1.134 0.356
C4 0.000 0.713 -0.882
C5 0.000 -0.713 -0.882
H6 0.000 1.412 -1.711
H7 0.000 -1.412 -1.711

Atom - Atom Distances (Å)
  O1 N2 N3 C4 C5 H6 H7
O11.37121.37122.13232.13233.17013.1701
N21.37122.26731.30772.22322.08553.2790
N31.37122.26732.22321.30773.27902.0855
C42.13231.30772.22321.42581.08422.2808
C52.13232.22321.30771.42582.28081.0842
H63.17012.08553.27901.08422.28082.8239
H73.17013.27902.08552.28081.08422.8239

picture of Furazan state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 N2 C4 105.468 O1 N3 C5 105.468
N2 O1 N3 111.529 N2 C4 C5 108.768
N2 C4 H6 121.084 N3 C5 C4 108.768
N3 C5 H7 121.084 C4 C5 H7 130.149
C5 C4 H6 130.149
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/daug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.205      
2 N 0.117      
3 N 0.117      
4 C 1.020      
5 C 1.020      
6 H -1.034      
7 H -1.034      


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 -3.437 3.437
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.796 0.000 0.000
y 0.000 -30.367 0.000
z 0.000 0.000 -25.575
Traceless
 xyz
x -0.825 0.000 0.000
y 0.000 -3.182 0.000
z 0.000 0.000 4.007
Polar
3z2-r28.014
x2-y21.571
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.011 0.000 0.000
y 0.000 6.883 0.000
z 0.000 0.000 6.757


<r2> (average value of r2) Å2
<r2> 72.856
(<r2>)1/2 8.536