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

using model chemistry: CID/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes TD 1A1
Energy calculated at CID/6-31G
 hartrees
Energy at 0K-407.528091
Energy at 298.15K-407.527047
HF Energy-406.830109
Nuclear repulsion energy321.897801
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 CID/6-31G
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 2462 2302 0.00      
2 A1 604 565 0.00      
3 E 595 556 0.00      
3 E 595 556 0.00      
4 E 121 113 0.00      
4 E 121 113 0.00      
5 T1 359 335 0.00      
5 T1 359 335 0.00      
5 T1 359 335 0.00      
6 T2 2450 2291 3.16      
6 T2 2450 2291 3.16      
6 T2 2450 2291 3.16      
7 T2 1131 1058 53.59      
7 T2 1131 1058 53.59      
7 T2 1131 1058 53.59      
8 T2 593 555 0.00      
8 T2 593 555 0.00      
8 T2 593 555 0.00      
9 T2 157 147 12.99      
9 T2 157 147 12.99      
9 T2 157 147 12.99      

Unscaled Zero Point Vibrational Energy (zpe) 9282.4 cm-1
Scaled (by 0.9352) Zero Point Vibrational Energy (zpe) 8680.9 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 CID/6-31G
ABC
0.05067 0.05067 0.05067

See section I.F.4 to change rotational constant units
Geometric Data calculated at CID/6-31G

Point Group is Td

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.000
C2 0.859 0.859 0.859
C3 -0.859 -0.859 0.859
C4 -0.859 0.859 -0.859
C5 0.859 -0.859 -0.859
N6 1.529 1.529 1.529
N7 -1.529 -1.529 1.529
N8 -1.529 1.529 -1.529
N9 1.529 -1.529 -1.529

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 N6 N7 N8 N9
C11.48831.48831.48831.48832.64812.64812.64812.6481
C21.48832.43032.43032.43031.15983.44303.44303.4430
C31.48832.43032.43032.43033.44301.15983.44303.4430
C41.48832.43032.43032.43033.44303.44301.15983.4430
C51.48832.43032.43032.43033.44303.44303.44301.1598
N62.64811.15983.44303.44303.44304.32434.32434.3243
N72.64813.44301.15983.44303.44304.32434.32434.3243
N82.64813.44303.44301.15983.44304.32434.32434.3243
N92.64813.44303.44303.44301.15984.32434.32434.3243

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