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All results from a given calculation for C2H2N2O (Furazan)

using model chemistry: B97D3/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 B97D3/cc-pVDZ
 hartrees
Energy at 0K-261.914846
Energy at 298.15K 
HF Energy-261.914846
Nuclear repulsion energy162.176760
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 B97D3/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 3226 3198 0.03 104.43 0.10 0.19
2 A1 1417 1405 12.37 14.45 0.43 0.60
3 A1 1302 1291 3.15 16.17 0.11 0.20
4 A1 1036 1027 3.34 7.50 0.51 0.68
5 A1 1001 993 8.46 5.00 0.19 0.32
6 A1 864 857 21.58 7.54 0.12 0.21
7 A2 870 862 0.00 1.57 0.75 0.86
8 A2 641 635 0.00 0.36 0.75 0.86
9 B1 826 819 31.52 0.94 0.75 0.86
10 B1 638 633 0.96 0.39 0.75 0.86
11 B2 3211 3183 0.04 64.28 0.75 0.86
12 B2 1524 1511 0.00 0.00 0.75 0.86
13 B2 1149 1139 5.17 0.83 0.75 0.86
14 B2 947 939 20.07 5.11 0.75 0.86
15 B2 743 736 5.52 0.16 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9696.1 cm-1
Scaled (by 0.9915) Zero Point Vibrational Energy (zpe) 9613.7 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 B97D3/cc-pVDZ
ABC
0.34547 0.31887 0.16582

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.132
N2 0.000 1.144 0.360
N3 0.000 -1.144 0.360
C4 0.000 0.713 -0.887
C5 0.000 -0.713 -0.887
H6 0.000 1.416 -1.721
H7 0.000 -1.416 -1.721

Atom - Atom Distances (Å)
  O1 N2 N3 C4 C5 H6 H7
O11.37991.37992.14092.14093.18473.1847
N21.37992.28731.31912.23622.09823.2986
N31.37992.28732.23621.31913.29862.0982
C42.14091.31912.23621.42561.09082.2863
C52.14092.23621.31911.42562.28631.0908
H63.18472.09823.29861.09082.28632.8322
H73.18473.29862.09822.28631.09082.8322

picture of Furazan state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 N2 C4 104.956 O1 N3 C5 104.956
N2 O1 N3 111.956 N2 C4 C5 109.066
N2 C4 H6 120.783 N3 C5 C4 109.066
N3 C5 H7 120.783 C4 C5 H7 130.152
C5 C4 H6 130.152
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.078      
2 N -0.065      
3 N -0.065      
4 C 0.083      
5 C 0.083      
6 H 0.021      
7 H 0.021      


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 -3.112 3.112
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.007 0.000 0.000
y 0.000 -29.270 0.000
z 0.000 0.000 -25.187
Traceless
 xyz
x -0.778 0.000 0.000
y 0.000 -2.673 0.000
z 0.000 0.000 3.451
Polar
3z2-r26.903
x2-y21.263
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.468 0.000 0.000
y 0.000 5.902 0.000
z 0.000 0.000 5.848


<r2> (average value of r2) Å2
<r2> 73.010
(<r2>)1/2 8.545