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: HSEh1PBE/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at HSEh1PBE/6-31G(2df,p)
 hartrees
Energy at 0K-316.863173
Energy at 298.15K 
HF Energy-316.863173
Nuclear repulsion energy213.504951
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 HSEh1PBE/6-31G(2df,p)
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 3047 2918 11.66 81.75 0.14 0.25
2 A1 2417 2314 0.01 116.63 0.06 0.11
3 A1 849 813 3.42 6.28 0.09 0.17
4 A1 582 558 0.82 3.37 0.00 0.00
5 A1 171 164 23.30 2.29 0.70 0.82
6 A2 372 356 0.00 0.00 0.75 0.86
7 E 2411 2309 0.45 32.50 0.75 0.86
7 E 2411 2309 0.45 32.51 0.75 0.86
8 E 1279 1225 2.92 3.19 0.75 0.86
8 E 1279 1225 2.92 3.19 0.75 0.86
9 E 1044 1000 15.57 1.64 0.75 0.86
9 E 1044 1000 15.57 1.64 0.75 0.86
10 E 585 560 0.06 2.03 0.75 0.86
10 E 585 560 0.06 2.03 0.75 0.86
11 E 373 357 0.38 2.85 0.75 0.86
11 E 373 357 0.38 2.85 0.75 0.86
12 E 134 128 7.40 4.23 0.75 0.86
12 E 134 128 7.40 4.23 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9543.4 cm-1
Scaled (by 0.9577) Zero Point Vibrational Energy (zpe) 9139.7 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 HSEh1PBE/6-31G(2df,p)
ABC
0.09590 0.09590 0.05045

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-31G(2df,p)

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.501
H2 0.000 0.000 1.602
C3 0.000 1.400 0.057
C4 1.212 -0.700 0.057
C5 -1.212 -0.700 0.057
N6 0.000 2.505 -0.268
N7 2.169 -1.252 -0.268
N8 -2.169 -1.252 -0.268

Atom - Atom Distances (Å)
  C1 H2 C3 C4 C5 N6 N7 N8
C11.10051.46881.46881.46882.62032.62032.6203
H21.10052.08492.08492.08493.12573.12573.1257
C31.46882.08492.42482.42481.15163.44193.4419
C41.46882.08492.42482.42483.44191.15163.4419
C51.46882.08492.42482.42483.44193.44191.1516
N62.62033.12571.15163.44193.44194.33864.3386
N72.62033.12573.44191.15163.44194.33864.3386
N82.62033.12573.44193.44191.15164.33864.3386

picture of tricyanomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 N6 178.764 C1 C4 N7 178.764
C1 C5 N8 178.764 H2 C1 C3 107.613
H2 C1 C4 107.613 H2 C1 C5 107.613
C3 C1 C4 111.264 C3 C1 C5 111.264
C4 C1 C5 111.264
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.448      
2 H 0.262      
3 C 0.348      
4 C 0.348      
5 C 0.348      
6 N -0.286      
7 N -0.286      
8 N -0.286      


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 2.710 2.710
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -48.377 0.000 0.000
y 0.000 -48.377 0.000
z 0.000 0.000 -34.849
Traceless
 xyz
x -6.764 0.000 0.000
y 0.000 -6.764 0.000
z 0.000 0.000 13.528
Polar
3z2-r227.055
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 8.226 0.000 0.000
y 0.000 8.226 0.000
z 0.000 0.000 5.030


<r2> (average value of r2) Å2
<r2> 200.079
(<r2>)1/2 14.145