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All results from a given calculation for CH(CN)3 (tricyanomethane)

using model chemistry: HF/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at HF/cc-pVTZ
 hartrees
Energy at 0K-315.452000
Energy at 298.15K 
HF Energy-315.452000
Nuclear repulsion energy215.429762
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 HF/cc-pVTZ
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 3215 2926 11.36 70.20 0.13 0.22
2 A1 2627 2390 0.04 130.34 0.04 0.08
3 A1 918 835 6.28 6.31 0.12 0.22
4 A1 616 561 2.03 4.20 0.00 0.00
5 A1 190 173 30.78 2.27 0.69 0.82
6 A2 405 369 0.00 0.00 0.75 0.86
7 E 2622 2386 0.46 27.07 0.75 0.86
7 E 2622 2386 0.46 27.07 0.75 0.86
8 E 1418 1291 6.80 2.09 0.75 0.86
8 E 1418 1291 6.80 2.09 0.75 0.86
9 E 1106 1006 30.30 2.03 0.75 0.86
9 E 1106 1006 30.30 2.03 0.75 0.86
10 E 642 584 0.95 2.79 0.75 0.86
10 E 642 584 0.95 2.79 0.75 0.86
11 E 405 368 0.92 3.18 0.75 0.86
11 E 405 368 0.92 3.18 0.75 0.86
12 E 150 136 9.60 4.23 0.75 0.86
12 E 150 136 9.60 4.23 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10327.5 cm-1
Scaled (by 0.9101) Zero Point Vibrational Energy (zpe) 9399.0 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 HF/cc-pVTZ
ABC
0.09718 0.09718 0.05109

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/cc-pVTZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.500
H2 0.000 0.000 1.583
C3 0.000 1.404 0.052
C4 1.216 -0.702 0.052
C5 -1.216 -0.702 0.052
N6 0.000 2.483 -0.263
N7 2.150 -1.241 -0.263
N8 -2.150 -1.241 -0.263

Atom - Atom Distances (Å)
  C1 H2 C3 C4 C5 N6 N7 N8
C11.08351.47381.47381.47382.59742.59742.5974
H21.08352.07792.07792.07793.09403.09403.0940
C31.47382.07792.43182.43181.12373.42363.4236
C41.47382.07792.43182.43183.42361.12373.4236
C51.47382.07792.43182.43183.42363.42361.1237
N62.59743.09401.12373.42363.42364.30054.3005
N72.59743.09403.42361.12373.42364.30054.3005
N82.59743.09403.42363.42361.12374.30054.3005

picture of tricyanomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 N6 178.533 C1 C4 N7 178.533
C1 C5 N8 178.533 H2 C1 C3 107.707
H2 C1 C4 107.707 H2 C1 C5 107.707
C3 C1 C4 111.177 C3 C1 C5 111.177
C4 C1 C5 111.177
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.017      
2 H 0.221      
3 C -0.052      
4 C -0.052      
5 C -0.052      
6 N -0.028      
7 N -0.028      
8 N -0.028      


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 2.927 2.927
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -50.494 0.000 0.000
y 0.000 -50.494 0.000
z 0.000 0.000 -35.835
Traceless
 xyz
x -7.330 0.000 0.000
y 0.000 -7.330 0.000
z 0.000 0.000 14.659
Polar
3z2-r229.318
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 8.105 0.000 0.000
y 0.000 8.105 0.000
z 0.000 0.000 5.195


<r2> (average value of r2) Å2
<r2> 198.933
(<r2>)1/2 14.104