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

using model chemistry: B3LYPultrafine/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes TD 1A1
Energy calculated at B3LYPultrafine/aug-cc-pVTZ
 hartrees
Energy at 0K-409.539770
Energy at 298.15K-409.538524
HF Energy-409.539770
Nuclear repulsion energy324.058325
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 B3LYPultrafine/aug-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 2383 2306 0.00      
2 A1 583 564 0.00      
3 E 573 554 0.00      
3 E 573 554 0.00      
4 E 113 110 0.00      
4 E 113 110 0.00      
5 T1 344 333 0.00      
5 T1 344 333 0.00      
5 T1 344 333 0.00      
6 T2 2373 2296 7.40      
6 T2 2373 2296 7.40      
6 T2 2373 2296 7.40      
7 T2 1064 1029 33.83      
7 T2 1064 1029 33.83      
7 T2 1064 1029 33.83      
8 T2 557 539 0.39      
8 T2 557 539 0.39      
8 T2 557 539 0.39      
9 T2 149 145 14.08      
9 T2 149 145 14.08      
9 T2 149 145 14.08      

Unscaled Zero Point Vibrational Energy (zpe) 8900.4 cm-1
Scaled (by 0.9675) Zero Point Vibrational Energy (zpe) 8611.2 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 B3LYPultrafine/aug-cc-pVTZ
ABC
0.05130 0.05130 0.05130

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/aug-cc-pVTZ

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 1.518 1.518 1.518
N7 -1.518 -1.518 1.518
N8 -1.518 1.518 -1.518
N9 1.518 -1.518 -1.518

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 N6 N7 N8 N9
C11.48291.48291.48291.48292.62982.62982.62982.6298
C21.48292.42162.42162.42161.14693.42273.42273.4227
C31.48292.42162.42162.42163.42271.14693.42273.4227
C41.48292.42162.42162.42163.42273.42271.14693.4227
C51.48292.42162.42162.42163.42273.42273.42271.1469
N62.62981.14693.42273.42273.42274.29454.29454.2945
N72.62983.42271.14693.42273.42274.29454.29454.2945
N82.62983.42273.42271.14693.42274.29454.29454.2945
N92.62983.42273.42273.42271.14694.29454.29454.2945

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 B3LYPultrafine/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.462      
2 C 0.401      
3 C 0.401      
4 C 0.401      
5 C 0.401      
6 N -0.516      
7 N -0.516      
8 N -0.516      
9 N -0.516      


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 -57.533 0.000 0.000
y 0.000 -57.533 0.000
z 0.000 0.000 -57.533
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 10.490 0.000 0.000
y 0.000 10.490 0.000
z 0.000 0.000 10.490


<r2> (average value of r2) Å2
<r2> 282.356
(<r2>)1/2 16.803