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All results from a given calculation for C2H2N2O (Furazan)

using model chemistry: HSEh1PBE/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 HSEh1PBE/daug-cc-pVDZ
 hartrees
Energy at 0K-261.822186
Energy at 298.15K 
HF Energy-261.822186
Nuclear repulsion energy164.289776
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 HSEh1PBE/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 3302 3302 0.77 106.47 0.08 0.15
2 A1 1486 1486 13.87 20.64 0.21 0.35
3 A1 1363 1363 3.69 24.02 0.04 0.07
4 A1 1075 1075 23.78 5.88 0.27 0.43
5 A1 1065 1065 1.56 9.08 0.08 0.15
6 A1 933 933 19.46 4.12 0.11 0.20
7 A2 912 912 0.00 0.07 0.75 0.86
8 A2 664 664 0.00 0.11 0.75 0.86
9 B1 861 861 41.81 0.03 0.75 0.86
10 B1 667 667 1.56 0.29 0.75 0.86
11 B2 3288 3288 0.34 57.12 0.75 0.86
12 B2 1605 1605 0.00 0.06 0.75 0.86
13 B2 1194 1194 4.05 0.53 0.75 0.86
14 B2 973 973 17.81 2.64 0.75 0.86
15 B2 935 935 7.64 0.03 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10161.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10161.1 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 HSEh1PBE/daug-cc-pVDZ
ABC
0.35286 0.32839 0.17009

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/daug-cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.116
N2 0.000 1.121 0.359
N3 0.000 -1.121 0.359
C4 0.000 0.710 -0.879
C5 0.000 -0.710 -0.879
H6 0.000 1.413 -1.704
H7 0.000 -1.413 -1.704

Atom - Atom Distances (Å)
  O1 N2 N3 C4 C5 H6 H7
O11.35321.35322.11782.11783.15423.1542
N21.35322.24291.30482.21042.08313.2679
N31.35322.24292.21041.30483.26792.0831
C42.11781.30482.21041.41921.08402.2774
C52.11782.21041.30481.41922.27741.0840
H63.15422.08313.26791.08402.27742.8267
H73.15423.26792.08312.27741.08402.8267

picture of Furazan state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 N2 C4 105.630 O1 N3 C5 105.630
N2 O1 N3 111.942 N2 C4 C5 108.399
N2 C4 H6 121.119 N3 C5 C4 108.399
N3 C5 H7 121.119 C4 C5 H7 130.482
C5 C4 H6 130.482
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/daug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.131      
2 N 0.116      
3 N 0.116      
4 C 0.776      
5 C 0.776      
6 H -0.826      
7 H -0.826      


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 -3.336 3.336
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.673 0.000 0.000
y 0.000 -30.056 0.000
z 0.000 0.000 -25.266
Traceless
 xyz
x -1.012 0.000 0.000
y 0.000 -3.087 0.000
z 0.000 0.000 4.099
Polar
3z2-r28.198
x2-y21.383
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.959 0.000 0.000
y 0.000 6.739 0.000
z 0.000 0.000 6.618


<r2> (average value of r2) Å2
<r2> 71.983
(<r2>)1/2 8.484