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

using model chemistry: M06-2X/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 M06-2X/6-31+G**
 hartrees
Energy at 0K-409.261614
Energy at 298.15K-409.260544
HF Energy-409.261614
Nuclear repulsion energy323.121983
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 M06-2X/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 2467 2349 0.00      
2 A1 593 565 0.00      
3 E 590 562 0.00      
3 E 590 562 0.00      
4 E 122 116 0.00      
4 E 122 116 0.00      
5 T1 363 346 0.00      
5 T1 363 346 0.00      
5 T1 363 346 0.00      
6 T2 2461 2343 5.24      
6 T2 2461 2343 5.24      
6 T2 2461 2343 5.24      
7 T2 1110 1057 37.92      
7 T2 1110 1057 37.92      
7 T2 1110 1057 37.92      
8 T2 567 540 0.09      
8 T2 567 540 0.09      
8 T2 567 540 0.09      
9 T2 161 153 12.87      
9 T2 161 153 12.87      
9 T2 161 153 12.87      

Unscaled Zero Point Vibrational Energy (zpe) 9233.9 cm-1
Scaled (by 0.9522) Zero Point Vibrational Energy (zpe) 8792.5 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 M06-2X/6-31+G**
ABC
0.05103 0.05103 0.05103

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/6-31+G**

Point Group is Td

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.000
C2 0.857 0.857 0.857
C3 -0.857 -0.857 0.857
C4 -0.857 0.857 -0.857
C5 0.857 -0.857 -0.857
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
C11.48501.48501.48501.48502.63772.63772.63772.6377
C21.48502.42512.42512.42511.15273.43143.43143.4314
C31.48502.42512.42512.42513.43141.15273.43143.4314
C41.48502.42512.42512.42513.43143.43141.15273.4314
C51.48502.42512.42512.42513.43143.43143.43141.1527
N62.63771.15273.43143.43143.43144.30744.30744.3074
N72.63773.43141.15273.43143.43144.30744.30744.3074
N82.63773.43143.43141.15273.43144.30744.30744.3074
N92.63773.43143.43143.43141.15274.30744.30744.3074

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 M06-2X/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.498      
2 C 0.179      
3 C 0.179      
4 C 0.179      
5 C 0.179      
6 N -0.304      
7 N -0.304      
8 N -0.304      
9 N -0.304      


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 -57.337 0.000 0.000
y 0.000 -57.337 0.000
z 0.000 0.000 -57.337
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 9.624 0.000 0.000
y 0.000 9.624 0.000
z 0.000 0.000 9.624


<r2> (average value of r2) Å2
<r2> 283.551
(<r2>)1/2 16.839