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All results from a given calculation for C2H2N2O (Furazan)

using model chemistry: PBEPBE/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 PBEPBE/daug-cc-pVDZ
 hartrees
Energy at 0K-261.813214
Energy at 298.15K 
HF Energy-261.813214
Nuclear repulsion energy162.001780
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 PBEPBE/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 3208 3208 0.50 119.35 0.08 0.15
2 A1 1413 1413 15.07 14.88 0.30 0.46
3 A1 1298 1298 2.48 26.73 0.03 0.06
4 A1 1033 1033 3.01 5.64 0.31 0.47
5 A1 1004 1004 12.89 9.92 0.08 0.15
6 A1 870 870 17.68 6.85 0.10 0.19
7 A2 863 863 0.00 0.06 0.75 0.86
8 A2 637 637 0.00 0.14 0.75 0.86
9 B1 817 817 42.67 0.00 0.75 0.86
10 B1 637 637 1.41 0.21 0.75 0.86
11 B2 3194 3194 0.23 65.03 0.75 0.86
12 B2 1516 1516 0.00 0.01 0.75 0.86
13 B2 1140 1140 4.81 0.57 0.75 0.86
14 B2 931 931 18.14 2.27 0.75 0.86
15 B2 774 774 6.73 0.16 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9667.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9667.5 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 PBEPBE/daug-cc-pVDZ
ABC
0.34432 0.31857 0.16547

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.134
N2 0.000 1.144 0.359
N3 0.000 -1.144 0.359
C4 0.000 0.713 -0.888
C5 0.000 -0.713 -0.888
H6 0.000 1.418 -1.723
H7 0.000 -1.418 -1.723

Atom - Atom Distances (Å)
  O1 N2 N3 C4 C5 H6 H7
O11.38201.38202.14482.14483.18953.1895
N21.38202.28851.32032.23742.09993.3014
N31.38202.28852.23741.32033.30142.0999
C42.14481.32032.23741.42571.09222.2882
C52.14482.23741.32031.42572.28821.0922
H63.18952.09993.30141.09222.28822.8358
H73.18953.30142.09992.28821.09222.8358

picture of Furazan state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 N2 C4 105.042 O1 N3 C5 105.042
N2 O1 N3 111.778 N2 C4 C5 109.070
N2 C4 H6 120.725 N3 C5 C4 109.070
N3 C5 H7 120.725 C4 C5 H7 130.205
C5 C4 H6 130.205
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/daug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.057      
2 N 0.044      
3 N 0.044      
4 C 0.894      
5 C 0.894      
6 H -0.910      
7 H -0.910      


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 -3.252 3.252
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.874 0.000 0.000
y 0.000 -30.297 0.000
z 0.000 0.000 -25.545
Traceless
 xyz
x -0.953 0.000 0.000
y 0.000 -3.088 0.000
z 0.000 0.000 4.041
Polar
3z2-r28.082
x2-y21.423
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.121 0.000 0.000
y 0.000 7.242 0.000
z 0.000 0.000 6.959


<r2> (average value of r2) Å2
<r2> 73.596
(<r2>)1/2 8.579