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

using model chemistry: CID/6-311G*

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/6-311G*
 hartrees
Energy at 0K-408.106512
Energy at 298.15K-408.105653
HF Energy-407.126773
Nuclear repulsion energy325.879431
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/6-311G*
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 2544 2364 0.00      
2 A1 615 571 0.00      
3 E 629 584 0.00      
3 E 629 584 0.00      
4 E 124 115 0.00      
4 E 124 115 0.00      
5 T1 382 355 0.00      
5 T1 382 355 0.00      
5 T1 382 355 0.00      
6 T2 2537 2357 4.85      
6 T2 2537 2357 4.85      
6 T2 2537 2357 4.85      
7 T2 1173 1090 43.95      
7 T2 1173 1090 43.95      
7 T2 1173 1090 43.95      
8 T2 601 559 0.58      
8 T2 601 559 0.58      
8 T2 601 559 0.58      
9 T2 162 150 15.48      
9 T2 162 150 15.48      
9 T2 162 150 15.48      

Unscaled Zero Point Vibrational Energy (zpe) 9613.5 cm-1
Scaled (by 0.9291) Zero Point Vibrational Energy (zpe) 8931.9 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/6-311G*
ABC
0.05184 0.05184 0.05184

See section I.F.4 to change rotational constant units
Geometric Data calculated at CID/6-311G*

Point Group is Td

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.000
C2 0.853 0.853 0.853
C3 -0.853 -0.853 0.853
C4 -0.853 0.853 -0.853
C5 0.853 -0.853 -0.853
N6 1.510 1.510 1.510
N7 -1.510 -1.510 1.510
N8 -1.510 1.510 -1.510
N9 1.510 -1.510 -1.510

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 N6 N7 N8 N9
C11.47781.47781.47781.47782.61472.61472.61472.6147
C21.47782.41322.41322.41321.13703.40543.40543.4054
C31.47782.41322.41322.41323.40541.13703.40543.4054
C41.47782.41322.41322.41323.40543.40541.13703.4054
C51.47782.41322.41322.41323.40543.40543.40541.1370
N62.61471.13703.40543.40543.40544.26984.26984.2698
N72.61473.40541.13703.40543.40544.26984.26984.2698
N82.61473.40543.40541.13703.40544.26984.26984.2698
N92.61473.40543.40543.40541.13704.26984.26984.2698

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