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All results from a given calculation for C(CN)4 (tetracyanomethane)

using model chemistry: HSEh1PBE/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes TD 1A1
Energy calculated at HSEh1PBE/6-31+G**
 hartrees
Energy at 0K-408.964359
Energy at 298.15K 
HF Energy-408.964359
Nuclear repulsion energy323.118155
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 HSEh1PBE/6-31+G**
Rotational Constants (cm-1) from geometry optimized at HSEh1PBE/6-31+G**
ABC
0.05106 0.05106 0.05106

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-31+G**

Point Group is Td

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.000
C2 0.856 0.856 0.856
C3 -0.856 -0.856 0.856
C4 -0.856 0.856 -0.856
C5 0.856 -0.856 -0.856
N6 1.523 1.523 1.523
N7 -1.523 -1.523 1.523
N8 -1.523 1.523 -1.523
N9 1.523 -1.523 -1.523

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 N6 N7 N8 N9
C11.48191.48191.48191.48192.63822.63822.63822.6382
C21.48192.41992.41992.41991.15633.42963.42963.4296
C31.48192.41992.41992.41993.42961.15633.42963.4296
C41.48192.41992.41992.41993.42963.42961.15633.4296
C51.48192.41992.41992.41993.42963.42963.42961.1563
N62.63821.15633.42963.42963.42964.30814.30814.3081
N72.63823.42961.15633.42963.42964.30814.30814.3081
N82.63823.42963.42961.15633.42964.30814.30814.3081
N92.63823.42963.42963.42961.15634.30814.30814.3081

picture of tetracyanomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N6 180.000 C1 C3 N7 180.000
C1 C4 N8 180.000 C1 C5 N9 180.000
C2 C1 C3 109.471 C2 C1 C4 109.471
C2 C1 C5 109.471 C3 C1 C4 109.471
C3 C1 C5 109.471 C4 C1 C5 109.471
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.556      
2 C 0.188      
3 C 0.188      
4 C 0.188      
5 C 0.188      
6 N -0.327      
7 N -0.327      
8 N -0.327      
9 N -0.327      


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 0.000 0.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -57.289 0.000 0.000
y 0.000 -57.289 0.000
z 0.000 0.000 -57.289
Traceless
 xyz
x 0.000 0.000 0.000
y 0.000 0.000 0.000
z 0.000 0.000 0.000
Polar
3z2-r20.000
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.916 0.000 0.000
y 0.000 9.916 0.000
z 0.000 0.000 9.916


<r2> (average value of r2) Å2
<r2> 283.363
(<r2>)1/2 16.833