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All results from a given calculation for C2H2N2O (Furazan)

using model chemistry: B3PW91/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 B3PW91/daug-cc-pVTZ
 hartrees
Energy at 0K-262.042295
Energy at 298.15K 
HF Energy-262.042295
Nuclear repulsion energy164.499620
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-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 3276 3276 0.54 104.53 0.08 0.15
2 A1 1465 1465 13.47 19.90 0.22 0.36
3 A1 1354 1354 3.96 23.66 0.04 0.07
4 A1 1064 1064 7.17 2.73 0.62 0.76
5 A1 1054 1054 14.63 10.41 0.07 0.13
6 A1 920 920 20.62 5.09 0.10 0.18
7 A2 921 921 0.00 0.07 0.75 0.86
8 A2 665 665 0.00 0.10 0.75 0.86
9 B1 867 867 40.25 0.04 0.75 0.86
10 B1 663 663 1.70 0.30 0.75 0.86
11 B2 3262 3262 0.26 55.95 0.75 0.86
12 B2 1593 1593 0.02 0.06 0.75 0.86
13 B2 1199 1199 4.06 0.56 0.75 0.86
14 B2 972 972 19.89 2.58 0.75 0.86
15 B2 896 896 5.18 0.17 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10084.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10084.8 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 B3PW91/daug-cc-pVTZ
ABC
0.35401 0.32906 0.17054

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.118
N2 0.000 1.122 0.355
N3 0.000 -1.122 0.355
C4 0.000 0.707 -0.877
C5 0.000 -0.707 -0.877
H6 0.000 1.405 -1.698
H7 0.000 -1.405 -1.698

Atom - Atom Distances (Å)
  O1 N2 N3 C4 C5 H6 H7
O11.35681.35682.11652.11653.14703.1470
N21.35682.24351.29942.20522.07243.2553
N31.35682.24352.20521.29943.25532.0724
C42.11651.29942.20521.41491.07742.2661
C52.11652.20521.29941.41492.26611.0774
H63.14702.07243.25531.07742.26612.8090
H73.14703.25532.07242.26611.07742.8090

picture of Furazan state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 N2 C4 105.637 O1 N3 C5 105.637
N2 O1 N3 111.541 N2 C4 C5 108.593
N2 C4 H6 121.092 N3 C5 C4 108.593
N3 C5 H7 121.092 C4 C5 H7 130.316
C5 C4 H6 130.316
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/daug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.435      
2 N -0.826      
3 N -0.826      
4 C 0.124      
5 C 0.124      
6 H 0.919      
7 H 0.919      


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 -3.311 3.311
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.384 0.000 0.000
y 0.000 -29.987 0.000
z 0.000 0.000 -25.181
Traceless
 xyz
x -0.800 0.000 0.000
y 0.000 -3.205 0.000
z 0.000 0.000 4.004
Polar
3z2-r28.009
x2-y21.603
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.921 0.000 0.000
y 0.000 6.704 0.000
z 0.000 0.000 6.579


<r2> (average value of r2) Å2
<r2> 71.718
(<r2>)1/2 8.469