return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: M06-2X/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 M06-2X/aug-cc-pVTZ
 hartrees
Energy at 0K-409.402906
Energy at 298.15K-409.401891
HF Energy-409.402906
Nuclear repulsion energy324.925471
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 M06-2X/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 2458 2349 0.00      
2 A1 594 568 0.00      
3 E 593 567 0.00      
3 E 593 567 0.00      
4 E 123 117 0.00      
4 E 123 117 0.00      
5 T1 365 348 0.00      
5 T1 365 348 0.00      
5 T1 365 348 0.00      
6 T2 2450 2342 5.55      
6 T2 2450 2342 5.55      
6 T2 2450 2342 5.55      
7 T2 1102 1053 29.94      
7 T2 1102 1053 29.94      
7 T2 1102 1053 29.94      
8 T2 571 546 0.67      
8 T2 571 546 0.67      
8 T2 571 546 0.67      
9 T2 162 154 14.56      
9 T2 162 154 14.56      
9 T2 162 154 14.56      

Unscaled Zero Point Vibrational Energy (zpe) 9215.9 cm-1
Scaled (by 0.9557) Zero Point Vibrational Energy (zpe) 8807.6 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 M06-2X/aug-cc-pVTZ
ABC
0.05156 0.05156 0.05156

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/aug-cc-pVTZ

Point Group is Td

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.000
C2 0.855 0.855 0.855
C3 -0.855 -0.855 0.855
C4 -0.855 0.855 -0.855
C5 0.855 -0.855 -0.855
N6 1.514 1.514 1.514
N7 -1.514 -1.514 1.514
N8 -1.514 1.514 -1.514
N9 1.514 -1.514 -1.514

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 N6 N7 N8 N9
C11.48011.48011.48011.48012.62272.62272.62272.6227
C21.48012.41702.41702.41701.14263.41423.41423.4142
C31.48012.41702.41702.41703.41421.14263.41423.4142
C41.48012.41702.41702.41703.41423.41421.14263.4142
C51.48012.41702.41702.41703.41423.41423.41421.1426
N62.62271.14263.41423.41423.41424.28284.28284.2828
N72.62273.41421.14263.41423.41424.28284.28284.2828
N82.62273.41423.41421.14263.41424.28284.28284.2828
N92.62273.41423.41423.41421.14264.28284.28284.2828

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 M06-2X/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.110      
2 C 0.586      
3 C 0.586      
4 C 0.586      
5 C 0.586      
6 N -0.613      
7 N -0.613      
8 N -0.613      
9 N -0.613      


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 -57.246 0.000 0.000
y 0.000 -57.246 0.000
z 0.000 0.000 -57.246
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 10.233 0.000 0.000
y 0.000 10.233 0.000
z 0.000 0.000 10.233


<r2> (average value of r2) Å2
<r2> 280.924
(<r2>)1/2 16.761