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

using model chemistry: B3LYP/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes TD 1A1
Energy calculated at B3LYP/STO-3G
 hartrees
Energy at 0K-404.113069
Energy at 298.15K-404.111259
HF Energy-404.113069
Nuclear repulsion energy313.081369
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/STO-3G
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 2370 2115 0.00      
2 A1 575 513 0.00      
3 E 565 505 0.00      
3 E 565 505 0.00      
4 E 109 97 0.00      
4 E 109 97 0.00      
5 T1 354 316 0.00      
5 T1 354 316 0.00      
5 T1 354 316 0.00      
6 T2 2355 2101 67.71      
6 T2 2355 2101 67.71      
6 T2 2355 2101 67.71      
7 T2 1075 959 28.46      
7 T2 1075 959 28.46      
7 T2 1075 959 28.46      
8 T2 555 496 0.00      
8 T2 555 496 0.00      
8 T2 555 496 0.00      
9 T2 144 128 7.36      
9 T2 144 128 7.36      
9 T2 144 128 7.36      

Unscaled Zero Point Vibrational Energy (zpe) 8870.6 cm-1
Scaled (by 0.8924) Zero Point Vibrational Energy (zpe) 7916.1 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 B3LYP/STO-3G
ABC
0.04798 0.04798 0.04798

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/STO-3G

Point Group is Td

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.000
C2 0.880 0.880 0.880
C3 -0.880 -0.880 0.880
C4 -0.880 0.880 -0.880
C5 0.880 -0.880 -0.880
N6 1.572 1.572 1.572
N7 -1.572 -1.572 1.572
N8 -1.572 1.572 -1.572
N9 1.572 -1.572 -1.572

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 N6 N7 N8 N9
C11.52431.52431.52431.52432.72352.72352.72352.7235
C21.52432.48922.48922.48921.19923.53673.53673.5367
C31.52432.48922.48922.48923.53671.19923.53673.5367
C41.52432.48922.48922.48923.53673.53671.19923.5367
C51.52432.48922.48922.48923.53673.53673.53671.1992
N62.72351.19923.53673.53673.53674.44744.44744.4474
N72.72353.53671.19923.53673.53674.44744.44744.4474
N82.72353.53673.53671.19923.53674.44744.44744.4474
N92.72353.53673.53673.53671.19924.44744.44744.4474

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 B3LYP/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.041      
2 C 0.100      
3 C 0.100      
4 C 0.100      
5 C 0.100      
6 N -0.111      
7 N -0.111      
8 N -0.111      
9 N -0.111      


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 -52.304 0.000 0.000
y 0.000 -52.304 0.000
z 0.000 0.000 -52.304
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 5.375 0.000 0.000
y 0.000 5.375 0.000
z 0.000 0.000 5.375


<r2> (average value of r2) Å2
<r2> 296.117
(<r2>)1/2 17.208