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All results from a given calculation for C2H2N2O (Furazan)

using model chemistry: B3LYP/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B3LYP/6-31+G**
 hartrees
Energy at 0K-262.060972
Energy at 298.15K 
HF Energy-262.060972
Nuclear repulsion energy163.126338
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 B3LYP/6-31+G**
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 3290 3172 0.87 106.77 0.11 0.19
2 A1 1463 1410 12.80 22.57 0.27 0.42
3 A1 1348 1300 3.80 21.48 0.05 0.10
4 A1 1061 1023 1.11 4.02 0.24 0.39
5 A1 1036 999 18.93 7.66 0.17 0.29
6 A1 901 868 26.09 6.26 0.12 0.22
7 A2 901 869 0.00 0.29 0.75 0.86
8 A2 651 628 0.00 0.17 0.75 0.86
9 B1 858 827 42.86 0.00 0.75 0.86
10 B1 644 620 1.33 0.46 0.75 0.86
11 B2 3277 3160 0.29 62.72 0.75 0.86
12 B2 1591 1534 0.00 0.12 0.75 0.86
13 B2 1204 1161 5.05 0.71 0.75 0.86
14 B2 967 932 18.78 3.77 0.75 0.86
15 B2 866 835 4.00 0.44 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10028.3 cm-1
Scaled (by 0.9642) Zero Point Vibrational Energy (zpe) 9669.2 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 B3LYP/6-31+G**
ABC
0.34905 0.32278 0.16770

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31+G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.128
N2 0.000 1.135 0.355
N3 0.000 -1.135 0.355
C4 0.000 0.712 -0.882
C5 0.000 -0.712 -0.882
H6 0.000 1.408 -1.709
H7 0.000 -1.408 -1.709

Atom - Atom Distances (Å)
  O1 N2 N3 C4 C5 H6 H7
O11.37311.37312.13292.13293.16723.1672
N21.37312.26931.30742.22312.08193.2748
N31.37312.26932.22311.30743.27482.0819
C42.13291.30742.22311.42451.08042.2756
C52.13292.22311.30741.42452.27561.0804
H63.16722.08193.27481.08042.27562.8159
H73.16723.27482.08192.27561.08042.8159

picture of Furazan state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 N2 C4 105.422 O1 N3 C5 105.422
N2 O1 N3 111.455 N2 C4 C5 108.850
N2 C4 H6 121.063 N3 C5 C4 108.850
N3 C5 H7 121.063 C4 C5 H7 130.087
C5 C4 H6 130.087
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O 0.168      
2 N -0.207      
3 N -0.207      
4 C -0.050      
5 C -0.050      
6 H 0.173      
7 H 0.173      


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 -3.563 3.563
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.828 0.000 0.000
y 0.000 -30.476 0.000
z 0.000 0.000 -25.698
Traceless
 xyz
x -0.741 0.000 0.000
y 0.000 -3.213 0.000
z 0.000 0.000 3.954
Polar
3z2-r27.908
x2-y21.648
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.571 0.000 0.000
y 0.000 6.555 0.000
z 0.000 0.000 6.449


<r2> (average value of r2) Å2
<r2> 72.902
(<r2>)1/2 8.538