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All results from a given calculation for C2H2N2O (Furazan)

using model chemistry: PBEPBE/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 PBEPBE/daug-cc-pVTZ
 hartrees
Energy at 0K-261.868164
Energy at 298.15K 
HF Energy-261.868164
Nuclear repulsion energy162.609910
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-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 3195 3195 0.44 116.10 0.08 0.15
2 A1 1405 1405 14.68 15.17 0.29 0.45
3 A1 1300 1300 2.81 26.01 0.03 0.06
4 A1 1034 1034 2.54 5.21 0.29 0.45
5 A1 1002 1002 12.47 8.97 0.09 0.16
6 A1 867 867 18.33 7.22 0.10 0.18
7 A2 877 877 0.00 0.06 0.75 0.86
8 A2 641 641 0.00 0.11 0.75 0.86
9 B1 828 828 41.49 0.01 0.75 0.86
10 B1 639 639 1.51 0.23 0.75 0.86
11 B2 3181 3181 0.24 62.67 0.75 0.86
12 B2 1518 1518 0.01 0.02 0.75 0.86
13 B2 1150 1150 4.70 0.59 0.75 0.86
14 B2 936 936 18.44 2.22 0.75 0.86
15 B2 764 764 6.52 0.20 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9667.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9667.3 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-pVTZ
ABC
0.34680 0.32105 0.16671

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.133
N2 0.000 1.140 0.356
N3 0.000 -1.140 0.356
C4 0.000 0.710 -0.885
C5 0.000 -0.710 -0.885
H6 0.000 1.410 -1.714
H7 0.000 -1.410 -1.714

Atom - Atom Distances (Å)
  O1 N2 N3 C4 C5 H6 H7
O11.38001.38002.13882.13883.17693.1769
N21.38002.28041.31262.22732.08723.2840
N31.38002.28042.22731.31263.28402.0872
C42.13881.31262.22731.41981.08522.2760
C52.13882.22731.31261.41982.27601.0852
H63.17692.08723.28401.08522.27602.8190
H73.17693.28402.08722.27601.08522.8190

picture of Furazan state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 N2 C4 105.153 O1 N3 C5 105.153
N2 O1 N3 111.425 N2 C4 C5 109.135
N2 C4 H6 120.725 N3 C5 C4 109.135
N3 C5 H7 120.725 C4 C5 H7 130.141
C5 C4 H6 130.141
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/daug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.343      
2 N -0.695      
3 N -0.695      
4 C 0.042      
5 C 0.042      
6 H 0.824      
7 H 0.824      


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 -3.229 3.229
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.710 0.000 0.000
y 0.000 -30.295 0.000
z 0.000 0.000 -25.511
Traceless
 xyz
x -0.807 0.000 0.000
y 0.000 -3.185 0.000
z 0.000 0.000 3.992
Polar
3z2-r27.984
x2-y21.585
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.091 0.000 0.000
y 0.000 7.165 0.000
z 0.000 0.000 6.898


<r2> (average value of r2) Å2
<r2> 73.122
(<r2>)1/2 8.551