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

using model chemistry: wB97X-D/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 wB97X-D/TZVP
 hartrees
Energy at 0K-409.370784
Energy at 298.15K-409.369679
HF Energy-409.370784
Nuclear repulsion energy324.607938
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 wB97X-D/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 2436 2326 0.00      
2 A1 593 567 0.00      
3 E 593 567 0.00      
3 E 593 567 0.00      
4 E 116 111 0.00      
4 E 116 111 0.00      
5 T1 360 343 0.00      
5 T1 360 343 0.00      
5 T1 360 343 0.00      
6 T2 2428 2319 6.24      
6 T2 2428 2319 6.24      
6 T2 2428 2319 6.24      
7 T2 1105 1055 37.33      
7 T2 1105 1055 37.33      
7 T2 1105 1055 37.33      
8 T2 572 547 0.25      
8 T2 572 547 0.25      
8 T2 572 547 0.25      
9 T2 152 145 13.59      
9 T2 152 145 13.59      
9 T2 152 145 13.59      

Unscaled Zero Point Vibrational Energy (zpe) 9149.4 cm-1
Scaled (by 0.955) Zero Point Vibrational Energy (zpe) 8737.7 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 wB97X-D/TZVP
ABC
0.05147 0.05147 0.05147

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/TZVP

Point Group is Td

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.000
C2 0.854 0.854 0.854
C3 -0.854 -0.854 0.854
C4 -0.854 0.854 -0.854
C5 0.854 -0.854 -0.854
N6 1.515 1.515 1.515
N7 -1.515 -1.515 1.515
N8 -1.515 1.515 -1.515
N9 1.515 -1.515 -1.515

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 N6 N7 N8 N9
C11.47961.47961.47961.47962.62372.62372.62372.6237
C21.47962.41632.41632.41631.14403.41483.41483.4148
C31.47962.41632.41632.41633.41481.14403.41483.4148
C41.47962.41632.41632.41633.41483.41481.14403.4148
C51.47962.41632.41632.41633.41483.41483.41481.1440
N62.62371.14403.41483.41483.41484.28444.28444.2844
N72.62373.41481.14403.41483.41484.28444.28444.2844
N82.62373.41483.41481.14403.41484.28444.28444.2844
N92.62373.41483.41483.41481.14404.28444.28444.2844

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
Charges from optimized geometry at wB97X-D/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.722      
2 C -0.145      
3 C -0.145      
4 C -0.145      
5 C -0.145      
6 N -0.036      
7 N -0.036      
8 N -0.036      
9 N -0.036      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 0.000 0.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -57.117 0.000 0.000
y 0.000 -57.117 0.000
z 0.000 0.000 -57.117
Traceless
 xyz
x 0.000 0.000 0.000
y 0.000 0.000 0.000
z 0.000 0.000 0.000
Polar
3z2-r20.000
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.400 0.000 0.000
y 0.000 9.400 0.000
z 0.000 0.000 9.400


<r2> (average value of r2) Å2
<r2> 281.255
(<r2>)1/2 16.771