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

using model chemistry: BLYP/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 BLYP/cc-pVTZ
 hartrees
Energy at 0K-409.461131
Energy at 298.15K-409.459653
HF Energy-409.461131
Nuclear repulsion energy321.336123
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 BLYP/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 2278 2272 0.00      
2 A1 561 559 0.00      
3 E 547 546 0.00      
3 E 547 546 0.00      
4 E 108 108 0.00      
4 E 108 108 0.00      
5 T1 328 327 0.00      
5 T1 328 327 0.00      
5 T1 328 327 0.00      
6 T2 2266 2259 10.16      
6 T2 2266 2259 10.16      
6 T2 2266 2259 10.16      
7 T2 1005 1002 31.59      
7 T2 1005 1002 31.59      
7 T2 1005 1002 31.59      
8 T2 535 533 0.01      
8 T2 535 533 0.01      
8 T2 535 533 0.01      
9 T2 142 142 11.67      
9 T2 142 142 11.67      
9 T2 142 142 11.67      

Unscaled Zero Point Vibrational Energy (zpe) 8488.6 cm-1
Scaled (by 0.997) Zero Point Vibrational Energy (zpe) 8463.2 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 BLYP/cc-pVTZ
ABC
0.05047 0.05047 0.05047

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

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 1.531 1.531 1.531
N7 -1.531 -1.531 1.531
N8 -1.531 1.531 -1.531
N9 1.531 -1.531 -1.531

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 N6 N7 N8 N9
C11.49261.49261.49261.49262.65252.65252.65252.6525
C21.49262.43742.43742.43741.15993.45003.45003.4500
C31.49262.43742.43742.43743.45001.15993.45003.4500
C41.49262.43742.43742.43743.45003.45001.15993.4500
C51.49262.43742.43742.43743.45003.45003.45001.1599
N62.65251.15993.45003.45003.45004.33154.33154.3315
N72.65253.45001.15993.45003.45004.33154.33154.3315
N82.65253.45003.45001.15993.45004.33154.33154.3315
N92.65253.45003.45003.45001.15994.33154.33154.3315

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 BLYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.083      
2 C -0.031      
3 C -0.031      
4 C -0.031      
5 C -0.031      
6 N 0.010      
7 N 0.010      
8 N 0.010      
9 N 0.010      


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 -57.157 0.000 0.000
y 0.000 -57.157 0.000
z 0.000 0.000 -57.157
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 10.014 0.000 0.000
y 0.000 10.014 0.000
z 0.000 0.000 10.014


<r2> (average value of r2) Å2
<r2> 286.164
(<r2>)1/2 16.916