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All results from a given calculation for C2H2N2O (Furazan)

using model chemistry: B3PW91/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 B3PW91/daug-cc-pVDZ
 hartrees
Energy at 0K-261.986393
Energy at 298.15K 
HF Energy-261.986393
Nuclear repulsion energy163.849691
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 B3PW91/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 3288 3288 0.59 106.49 0.08 0.15
2 A1 1472 1472 14.01 19.67 0.22 0.36
3 A1 1352 1352 3.58 24.16 0.04 0.07
4 A1 1063 1063 9.90 2.87 0.72 0.84
5 A1 1056 1056 12.93 11.55 0.06 0.12
6 A1 921 921 19.78 4.79 0.11 0.19
7 A2 906 906 0.00 0.07 0.75 0.86
8 A2 659 659 0.00 0.11 0.75 0.86
9 B1 856 856 41.61 0.03 0.75 0.86
10 B1 660 660 1.59 0.29 0.75 0.86
11 B2 3274 3274 0.25 57.54 0.75 0.86
12 B2 1590 1590 0.00 0.06 0.75 0.86
13 B2 1188 1188 4.21 0.55 0.75 0.86
14 B2 967 967 19.27 2.67 0.75 0.86
15 B2 905 905 5.77 0.12 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10077.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10077.9 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 B3PW91/daug-cc-pVDZ
ABC
0.35132 0.32639 0.16920

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/daug-cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.120
N2 0.000 1.126 0.358
N3 0.000 -1.126 0.358
C4 0.000 0.710 -0.881
C5 0.000 -0.710 -0.881
H6 0.000 1.413 -1.707
H7 0.000 -1.413 -1.707

Atom - Atom Distances (Å)
  O1 N2 N3 C4 C5 H6 H7
O11.35951.35952.12312.12313.16033.1603
N21.35952.25221.30682.21542.08503.2728
N31.35952.25222.21541.30683.27282.0850
C42.12311.30682.21541.42091.08442.2783
C52.12312.21541.30681.42092.27831.0844
H63.16032.08503.27281.08442.27832.8257
H73.16033.27282.08502.27831.08442.8257

picture of Furazan state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 N2 C4 105.529 O1 N3 C5 105.529
N2 O1 N3 111.850 N2 C4 C5 108.546
N2 C4 H6 121.085 N3 C5 C4 108.546
N3 C5 H7 121.085 C4 C5 H7 130.369
C5 C4 H6 130.369
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/daug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.130      
2 N 0.141      
3 N 0.141      
4 C 0.755      
5 C 0.755      
6 H -0.831      
7 H -0.831      


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 -3.349 3.349
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.584 0.000 0.000
y 0.000 -30.001 0.000
z 0.000 0.000 -25.220
Traceless
 xyz
x -0.973 0.000 0.000
y 0.000 -3.099 0.000
z 0.000 0.000 4.072
Polar
3z2-r28.144
x2-y21.418
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.957 0.000 0.000
y 0.000 6.779 0.000
z 0.000 0.000 6.642


<r2> (average value of r2) Å2
<r2> 72.216
(<r2>)1/2 8.498