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

using model chemistry: TPSSh/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at TPSSh/6-31G*
 hartrees
Energy at 0K-317.200193
Energy at 298.15K 
HF Energy-317.200193
Nuclear repulsion energy211.927567
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 TPSSh/6-31G*
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 3038 2914 7.63 90.94 0.17 0.29
2 A1 2366 2270 0.08 104.78 0.07 0.13
3 A1 842 808 6.38 7.36 0.13 0.22
4 A1 567 544 0.21 3.25 0.00 0.00
5 A1 164 158 20.14 3.06 0.71 0.83
6 A2 354 339 0.00 0.00 0.75 0.86
7 E 2360 2264 1.09 33.80 0.75 0.86
7 E 2360 2264 1.09 33.80 0.75 0.86
8 E 1294 1241 2.89 4.25 0.75 0.86
8 E 1294 1241 2.89 4.25 0.75 0.86
9 E 1019 978 20.63 2.48 0.75 0.86
9 E 1019 978 20.63 2.48 0.75 0.86
10 E 566 543 0.05 2.83 0.75 0.86
10 E 566 543 0.05 2.83 0.75 0.86
11 E 354 340 0.12 4.19 0.75 0.86
11 E 354 340 0.12 4.19 0.75 0.86
12 E 129 123 6.51 5.62 0.75 0.86
12 E 129 123 6.51 5.62 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9386.3 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 9005.2 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 TPSSh/6-31G*
ABC
0.09456 0.09456 0.04982

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.513
H2 0.000 0.000 1.614
C3 0.000 1.408 0.061
C4 1.220 -0.704 0.061
C5 -1.220 -0.704 0.061
N6 0.000 2.521 -0.275
N7 2.183 -1.261 -0.275
N8 -2.183 -1.261 -0.275

Atom - Atom Distances (Å)
  C1 H2 C3 C4 C5 N6 N7 N8
C11.10071.47921.47921.47922.64162.64162.6416
H21.10072.09682.09682.09683.15053.15053.1505
C31.47922.09682.43902.43901.16253.46443.4644
C41.47922.09682.43902.43903.46441.16253.4644
C51.47922.09682.43902.43903.46443.46441.1625
N62.64163.15051.16253.46443.46444.36674.3667
N72.64163.15053.46441.16253.46444.36674.3667
N82.64163.15053.46443.46441.16254.36674.3667

picture of tricyanomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 N6 178.968 C1 C4 N7 178.968
C1 C5 N8 178.968 H2 C1 C3 107.826
H2 C1 C4 107.826 H2 C1 C5 107.826
C3 C1 C4 111.065 C3 C1 C5 111.065
C4 C1 C5 111.065
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.303      
2 H 0.312      
3 C 0.424      
4 C 0.424      
5 C 0.424      
6 N -0.427      
7 N -0.427      
8 N -0.427      


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 2.722 2.722
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.054 0.000 0.000
y 0.000 8.054 0.000
z 0.000 0.000 4.582


<r2> (average value of r2) Å2
<r2> 202.458
(<r2>)1/2 14.229