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All results from a given calculation for C2H2N2O (Furazan)

using model chemistry: B97D3/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 B97D3/cc-pVTZ
 hartrees
Energy at 0K-261.985250
Energy at 298.15K 
HF Energy-261.985250
Nuclear repulsion energy162.789523
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-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 3219 3174 0.02 107.77 0.11 0.19
2 A1 1407 1387 14.03 14.17 0.36 0.53
3 A1 1304 1286 2.66 19.93 0.07 0.12
4 A1 1040 1026 1.74 5.70 0.35 0.52
5 A1 1004 990 10.23 5.10 0.20 0.33
6 A1 865 853 21.44 8.05 0.12 0.22
7 A2 880 867 0.00 0.64 0.75 0.86
8 A2 645 636 0.00 0.15 0.75 0.86
9 B1 833 821 37.68 0.13 0.75 0.86
10 B1 639 631 1.56 0.28 0.75 0.86
11 B2 3205 3160 0.08 62.75 0.75 0.86
12 B2 1523 1502 0.06 0.01 0.75 0.86
13 B2 1165 1149 4.69 0.74 0.75 0.86
14 B2 952 939 20.37 4.12 0.75 0.86
15 B2 743 733 5.33 0.33 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9712.0 cm-1
Scaled (by 0.986) Zero Point Vibrational Energy (zpe) 9576.1 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-pVTZ
ABC
0.34773 0.32153 0.16706

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.132
N2 0.000 1.139 0.355
N3 0.000 -1.139 0.355
C4 0.000 0.710 -0.883
C5 0.000 -0.710 -0.883
H6 0.000 1.404 -1.711
H7 0.000 -1.404 -1.711

Atom - Atom Distances (Å)
  O1 N2 N3 C4 C5 H6 H7
O11.37911.37912.13642.13643.17093.1709
N21.37912.27891.31072.22562.08313.2771
N31.37912.27892.22561.31073.27712.0831
C42.13641.31072.22561.41961.08062.2704
C52.13642.22561.31071.41962.27041.0806
H63.17092.08313.27711.08062.27042.8084
H73.17093.27712.08312.27041.08062.8084

picture of Furazan state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 N2 C4 105.147 O1 N3 C5 105.147
N2 O1 N3 111.435 N2 C4 C5 109.136
N2 C4 H6 120.880 N3 C5 C4 109.136
N3 C5 H7 120.880 C4 C5 H7 129.984
C5 C4 H6 129.984
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.023      
2 N -0.047      
3 N -0.047      
4 C -0.058      
5 C -0.058      
6 H 0.117      
7 H 0.117      


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 -3.184 3.184
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.220 0.000 0.000
y 0.000 -29.727 0.000
z 0.000 0.000 -25.139
Traceless
 xyz
x -0.787 0.000 0.000
y 0.000 -3.048 0.000
z 0.000 0.000 3.834
Polar
3z2-r27.669
x2-y21.507
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.258 0.000 0.000
y 0.000 6.418 0.000
z 0.000 0.000 6.309


<r2> (average value of r2) Å2
<r2> 72.695
(<r2>)1/2 8.526