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

using model chemistry: MP3=FULL/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes TD 1A1
Energy calculated at MP3=FULL/cc-pVDZ
 hartrees
Energy at 0K-408.304848
Energy at 298.15K-408.303598
HF Energy-407.063921
Nuclear repulsion energy321.245436
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 MP3=FULL/cc-pVDZ
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 2469 2321 0.00      
2 A1 597 561 0.00      
3 E 579 544 0.00      
3 E 579 544 0.00      
4 E 113 106 0.00      
4 E 113 106 0.00      
5 T1 335 315 0.00      
5 T1 335 315 0.00      
5 T1 335 315 0.00      
6 T2 2455 2309 7.89      
6 T2 2455 2309 7.89      
6 T2 2455 2309 7.89      
7 T2 1124 1057 39.25      
7 T2 1124 1057 39.25      
7 T2 1124 1057 39.25      
8 T2 564 531 0.00      
8 T2 564 531 0.00      
8 T2 564 531 0.00      
9 T2 147 138 12.28      
9 T2 147 138 12.28      
9 T2 147 138 12.28      

Unscaled Zero Point Vibrational Energy (zpe) 9162.0 cm-1
Scaled (by 0.9403) Zero Point Vibrational Energy (zpe) 8615.0 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 MP3=FULL/cc-pVDZ
ABC
0.05043 0.05043 0.05043

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/cc-pVDZ

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 1.532 1.532 1.532
N7 -1.532 -1.532 1.532
N8 -1.532 1.532 -1.532
N9 1.532 -1.532 -1.532

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 N6 N7 N8 N9
C11.49371.49371.49371.49372.65312.65312.65312.6531
C21.49372.43922.43922.43921.15943.45143.45143.4514
C31.49372.43922.43922.43923.45141.15943.45143.4514
C41.49372.43922.43922.43923.45143.45141.15943.4514
C51.49372.43922.43922.43923.45143.45143.45141.1594
N62.65311.15943.45143.45143.45144.33254.33254.3325
N72.65313.45141.15943.45143.45144.33254.33254.3325
N82.65313.45143.45141.15943.45144.33254.33254.3325
N92.65313.45143.45143.45141.15944.33254.33254.3325

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