return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: TPSSh/6-311G*

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/6-311G*
 hartrees
Energy at 0K-317.276932
Energy at 298.15K 
HF Energy-317.276932
Nuclear repulsion energy212.813523
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/6-311G*
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 3034 2923 6.38 85.38 0.14 0.25
2 A1 2358 2271 0.11 120.96 0.06 0.12
3 A1 838 807 7.14 7.05 0.12 0.21
4 A1 570 549 0.12 3.80 0.00 0.00
5 A1 166 160 20.31 2.94 0.72 0.84
6 A2 360 347 0.00 0.00 0.75 0.86
7 E 2352 2265 1.37 33.98 0.75 0.86
7 E 2352 2265 1.37 33.98 0.75 0.86
8 E 1293 1245 2.73 3.35 0.75 0.86
8 E 1293 1245 2.73 3.35 0.75 0.86
9 E 1020 982 20.43 2.09 0.75 0.86
9 E 1020 982 20.43 2.09 0.75 0.86
10 E 575 554 0.02 2.65 0.75 0.86
10 E 575 554 0.02 2.65 0.75 0.86
11 E 357 344 0.08 3.87 0.75 0.86
11 E 357 344 0.08 3.87 0.75 0.86
12 E 131 126 6.61 5.39 0.75 0.86
12 E 131 126 6.61 5.39 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9389.8 cm-1
Scaled (by 0.9632) Zero Point Vibrational Energy (zpe) 9044.3 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/6-311G*
ABC
0.09527 0.09527 0.05015

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/6-311G*

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.507
H2 0.000 0.000 1.606
C3 0.000 1.405 0.059
C4 1.217 -0.703 0.059
C5 -1.217 -0.703 0.059
N6 0.000 2.512 -0.272
N7 2.175 -1.256 -0.272
N8 -2.175 -1.256 -0.272

Atom - Atom Distances (Å)
  C1 H2 C3 C4 C5 N6 N7 N8
C11.09851.47491.47491.47492.62972.62972.6297
H21.09852.08972.08972.08973.13573.13573.1357
C31.47492.08972.43382.43381.15493.45283.4528
C41.47492.08972.43382.43383.45281.15493.4528
C51.47492.08972.43382.43383.45283.45281.1549
N62.62973.13571.15493.45283.45284.35054.3505
N72.62973.13573.45281.15493.45284.35054.3505
N82.62973.13573.45283.45281.15494.35054.3505

picture of tricyanomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 N6 178.929 C1 C4 N7 178.929
C1 C5 N8 178.929 H2 C1 C3 107.695
H2 C1 C4 107.695 H2 C1 C5 107.695
C3 C1 C4 111.187 C3 C1 C5 111.187
C4 C1 C5 111.187
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.329      
2 H 0.337      
3 C 0.237      
4 C 0.237      
5 C 0.237      
6 N -0.240      
7 N -0.240      
8 N -0.240      


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 2.730 2.730
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 8.296 0.000 0.000
y 0.000 8.296 0.000
z 0.000 0.000 4.858


<r2> (average value of r2) Å2
<r2> 201.545
(<r2>)1/2 14.197