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

using model chemistry: CCSD=FULL/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes TD 1A1
Energy calculated at CCSD=FULL/TZVP
 hartrees
Energy at 0K-408.620659
Energy at 298.15K-408.619386
HF Energy-407.151464
Nuclear repulsion energy323.357232
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 CCSD=FULL/TZVP
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 2258 0.00      
2 A1 593 562 0.00      
3 E 570 540 0.00      
3 E 570 540 0.00      
4 E 113 107 0.00      
4 E 113 107 0.00      
5 T1 333 315 0.00      
5 T1 333 315 0.00      
5 T1 333 315 0.00      
6 T2 2379 2254 13.35      
6 T2 2379 2254 13.35      
6 T2 2379 2254 13.35      
7 T2 1113 1055 35.19      
7 T2 1113 1055 35.19      
7 T2 1113 1055 35.19      
8 T2 564 534 0.02      
8 T2 564 534 0.02      
8 T2 564 534 0.02      
9 T2 147 139 13.25      
9 T2 147 139 13.25      
9 T2 147 139 13.25      

Unscaled Zero Point Vibrational Energy (zpe) 8974.6 cm-1
Scaled (by 0.9475) Zero Point Vibrational Energy (zpe) 8503.4 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 CCSD=FULL/TZVP
ABC
0.05112 0.05112 0.05112

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD=FULL/TZVP

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 1.522 1.522 1.522
N7 -1.522 -1.522 1.522
N8 -1.522 1.522 -1.522
N9 1.522 -1.522 -1.522

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 N6 N7 N8 N9
C11.48241.48241.48241.48242.63602.63602.63602.6360
C21.48242.42082.42082.42081.15363.42803.42803.4280
C31.48242.42082.42082.42083.42801.15363.42803.4280
C41.48242.42082.42082.42083.42803.42801.15363.4280
C51.48242.42082.42082.42083.42803.42803.42801.1536
N62.63601.15363.42803.42803.42804.30464.30464.3046
N72.63603.42801.15363.42803.42804.30464.30464.3046
N82.63603.42803.42801.15363.42804.30464.30464.3046
N92.63603.42803.42803.42801.15364.30464.30464.3046

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