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All results from a given calculation for C2H2N2O (Furazan)

using model chemistry: BLYP/aug-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 BLYP/aug-cc-pVTZ
 hartrees
Energy at 0K-262.100576
Energy at 298.15K 
HF Energy-262.100576
Nuclear repulsion energy161.477370
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 BLYP/aug-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 3186 3175 0.16 118.75 0.09 0.16
2 A1 1383 1378 14.99 16.28 0.31 0.48
3 A1 1285 1281 2.58 26.83 0.03 0.06
4 A1 1024 1020 0.91 5.30 0.19 0.32
5 A1 972 969 9.71 5.71 0.12 0.22
6 A1 826 823 21.99 10.05 0.10 0.18
7 A2 881 878 0.00 0.04 0.75 0.86
8 A2 635 633 0.00 0.12 0.75 0.86
9 B1 830 827 39.58 0.02 0.75 0.86
10 B1 620 618 1.78 0.22 0.75 0.86
11 B2 3173 3162 0.07 65.07 0.75 0.86
12 B2 1505 1500 0.01 0.02 0.75 0.86
13 B2 1159 1155 4.83 0.69 0.75 0.86
14 B2 935 932 19.34 2.37 0.75 0.86
15 B2 685 682 4.34 0.49 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9550.1 cm-1
Scaled (by 0.9966) Zero Point Vibrational Energy (zpe) 9517.6 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 BLYP/aug-cc-pVTZ
ABC
0.34318 0.31547 0.16437

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.146
N2 0.000 1.153 0.351
N3 0.000 -1.153 0.351
C4 0.000 0.713 -0.887
C5 0.000 -0.713 -0.887
H6 0.000 1.404 -1.720
H7 0.000 -1.404 -1.720

Atom - Atom Distances (Å)
  O1 N2 N3 C4 C5 H6 H7
O11.40101.40102.15432.15433.19183.1918
N21.40102.30651.31322.23952.08603.2908
N31.40102.30652.23951.31323.29082.0860
C42.15431.31322.23951.42671.08272.2758
C52.15432.23951.31321.42672.27581.0827
H63.19182.08603.29081.08272.27582.8086
H73.19183.29082.08602.27581.08272.8086

picture of Furazan state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 N2 C4 105.024 O1 N3 C5 105.024
N2 O1 N3 110.806 N2 C4 C5 109.573
N2 C4 H6 120.771 N3 C5 C4 109.573
N3 C5 H7 120.771 C4 C5 H7 129.656
C5 C4 H6 129.656
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.145      
2 N -0.324      
3 N -0.324      
4 C -0.104      
5 C -0.104      
6 H 0.501      
7 H 0.501      


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 -3.371 3.371
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.865 0.000 0.000
y 0.000 -30.617 0.000
z 0.000 0.000 -25.819
Traceless
 xyz
x -0.647 0.000 0.000
y 0.000 -3.274 0.000
z 0.000 0.000 3.921
Polar
3z2-r27.843
x2-y21.752
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.134 0.000 0.000
y 0.000 7.267 0.000
z 0.000 0.000 7.019


<r2> (average value of r2) Å2
<r2> 74.012
(<r2>)1/2 8.603