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

using model chemistry: B3LYP/LANL2DZ

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/LANL2DZ
 hartrees
Energy at 0K-409.294796
Energy at 298.15K-409.293635
HF Energy-409.294796
Nuclear repulsion energy319.435944
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/LANL2DZ
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 2309 2219 0.00      
2 A1 576 554 0.00      
3 E 580 557 0.00      
3 E 580 557 0.00      
4 E 118 113 0.00      
4 E 118 113 0.00      
5 T1 369 355 0.00      
5 T1 369 355 0.00      
5 T1 369 355 0.00      
6 T2 2303 2214 6.93      
6 T2 2303 2214 6.93      
6 T2 2303 2214 6.93      
7 T2 1073 1031 52.88      
7 T2 1073 1031 52.88      
7 T2 1073 1031 52.88      
8 T2 568 546 0.73      
8 T2 568 546 0.73      
8 T2 568 546 0.73      
9 T2 154 148 8.97      
9 T2 154 148 8.97      
9 T2 154 148 8.97      

Unscaled Zero Point Vibrational Energy (zpe) 8838.1 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 8495.2 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 B3LYP/LANL2DZ
ABC
0.04996 0.04996 0.04996

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/LANL2DZ

Point Group is Td

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.000
C2 0.862 0.862 0.862
C3 -0.862 -0.862 0.862
C4 -0.862 0.862 -0.862
C5 0.862 -0.862 -0.862
N6 1.541 1.541 1.541
N7 -1.541 -1.541 1.541
N8 -1.541 1.541 -1.541
N9 1.541 -1.541 -1.541

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 N6 N7 N8 N9
C11.49271.49271.49271.49272.66952.66952.66952.6695
C21.49272.43762.43762.43761.17683.46573.46573.4657
C31.49272.43762.43762.43763.46571.17683.46573.4657
C41.49272.43762.43762.43763.46573.46571.17683.4657
C51.49272.43762.43762.43763.46573.46573.46571.1768
N62.66951.17683.46573.46573.46574.35934.35934.3593
N72.66953.46571.17683.46573.46574.35934.35934.3593
N82.66953.46573.46571.17683.46574.35934.35934.3593
N92.66953.46573.46573.46571.17684.35934.35934.3593

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/LANL2DZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.419      
2 C -0.193      
3 C -0.193      
4 C -0.193      
5 C -0.193      
6 N 0.088      
7 N 0.088      
8 N 0.088      
9 N 0.088      


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 -57.998 0.000 0.000
y 0.000 -57.998 0.000
z 0.000 0.000 -57.998
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 8.760 0.000 0.000
y 0.000 8.760 0.000
z 0.000 0.000 8.760


<r2> (average value of r2) Å2
<r2> 289.233
(<r2>)1/2 17.007