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

using model chemistry: LSDA/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes TD 1A1
Energy calculated at LSDA/6-311G*
 hartrees
Energy at 0K-407.159928
Energy at 298.15K-407.158569
HF Energy-407.159928
Nuclear repulsion energy325.285732
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 LSDA/6-311G*
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 2342 2304 0.00      
2 A1 593 583 0.00      
3 E 562 553 0.00      
3 E 562 553 0.00      
4 E 108 107 0.00      
4 E 108 107 0.00      
5 T1 345 340 0.00      
5 T1 345 340 0.00      
5 T1 345 340 0.00      
6 T2 2337 2299 8.11      
6 T2 2337 2299 8.11      
6 T2 2337 2299 8.11      
7 T2 1074 1057 22.68      
7 T2 1074 1057 22.68      
7 T2 1074 1057 22.68      
8 T2 545 536 0.00      
8 T2 545 536 0.00      
8 T2 545 536 0.00      
9 T2 142 140 11.48      
9 T2 142 140 11.48      
9 T2 142 140 11.48      

Unscaled Zero Point Vibrational Energy (zpe) 8802.9 cm-1
Scaled (by 0.9837) Zero Point Vibrational Energy (zpe) 8659.4 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 LSDA/6-311G*
ABC
0.05180 0.05180 0.05180

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/6-311G*

Point Group is Td

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.000
C2 0.847 0.847 0.847
C3 -0.847 -0.847 0.847
C4 -0.847 0.847 -0.847
C5 0.847 -0.847 -0.847
N6 1.513 1.513 1.513
N7 -1.513 -1.513 1.513
N8 -1.513 1.513 -1.513
N9 1.513 -1.513 -1.513

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 N6 N7 N8 N9
C11.46651.46651.46651.46652.62142.62142.62142.6214
C21.46652.39482.39482.39481.15493.40373.40373.4037
C31.46652.39482.39482.39483.40371.15493.40373.4037
C41.46652.39482.39482.39483.40373.40371.15493.4037
C51.46652.39482.39482.39483.40373.40373.40371.1549
N62.62141.15493.40373.40373.40374.28074.28074.2807
N72.62143.40371.15493.40373.40374.28074.28074.2807
N82.62143.40373.40371.15493.40374.28074.28074.2807
N92.62143.40373.40373.40371.15494.28074.28074.2807

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 LSDA/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.390      
2 C 0.242      
3 C 0.242      
4 C 0.242      
5 C 0.242      
6 N -0.145      
7 N -0.145      
8 N -0.145      
9 N -0.145      


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 -56.499 0.000 0.000
y 0.000 -56.499 0.000
z 0.000 0.000 -56.499
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 9.147 0.000 0.000
y 0.000 9.147 0.000
z 0.000 0.000 9.147


<r2> (average value of r2) Å2
<r2> 279.311
(<r2>)1/2 16.713