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

using model chemistry: B2PLYP=FULL/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 B2PLYP=FULL/6-31G**
 hartrees
Energy at 0K-409.047195
Energy at 298.15K-409.045861
HF Energy-408.600651
Nuclear repulsion energy321.640412
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 B2PLYP=FULL/6-31G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 2310 2310 0.00      
2 A1 586 586 0.00      
3 E 566 566 0.00      
3 E 566 566 0.00      
4 E 111 111 0.00      
4 E 111 111 0.00      
5 T1 340 340 0.00      
5 T1 340 340 0.00      
5 T1 340 340 0.00      
6 T2 2306 2306 15.19      
6 T2 2306 2306 15.19      
6 T2 2306 2306 15.19      
7 T2 1085 1085 35.13      
7 T2 1085 1085 35.13      
7 T2 1085 1085 35.13      
8 T2 552 552 0.00      
8 T2 552 552 0.00      
8 T2 552 552 0.00      
9 T2 146 146 12.61      
9 T2 146 146 12.61      
9 T2 146 146 12.61      

Unscaled Zero Point Vibrational Energy (zpe) 8769.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8769.2 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 B2PLYP=FULL/6-31G**
ABC
0.05064 0.05064 0.05064

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/6-31G**

Point Group is Td

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.000
C2 0.857 0.857 0.857
C3 -0.857 -0.857 0.857
C4 -0.857 0.857 -0.857
C5 0.857 -0.857 -0.857
N6 1.531 1.531 1.531
N7 -1.531 -1.531 1.531
N8 -1.531 1.531 -1.531
N9 1.531 -1.531 -1.531

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 N6 N7 N8 N9
C11.48431.48431.48431.48432.65092.65092.65092.6509
C21.48432.42382.42382.42381.16663.44293.44293.4429
C31.48432.42382.42382.42383.44291.16663.44293.4429
C41.48432.42382.42382.42383.44293.44291.16663.4429
C51.48432.42382.42382.42383.44293.44293.44291.1666
N62.65091.16663.44293.44293.44294.32894.32894.3289
N72.65093.44291.16663.44293.44294.32894.32894.3289
N82.65093.44293.44291.16663.44294.32894.32894.3289
N92.65093.44293.44293.44291.16664.32894.32894.3289

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