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: wB97X-D/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 wB97X-D/6-31G*
 hartrees
Energy at 0K-317.069683
Energy at 298.15K 
HF Energy-317.069683
Nuclear repulsion energy212.797222
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/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 3072 2914 11.14 83.38 0.17 0.29
2 A1 2429 2304 0.01 90.22 0.07 0.13
3 A1 857 813 5.48 6.87 0.14 0.24
4 A1 579 549 0.51 2.82 0.01 0.01
5 A1 170 161 22.16 3.02 0.71 0.83
6 A2 361 343 0.00 0.00 0.75 0.86
7 E 2425 2300 0.57 31.77 0.75 0.86
7 E 2425 2300 0.57 31.78 0.75 0.86
8 E 1317 1249 2.47 3.75 0.75 0.86
8 E 1317 1249 2.50 3.74 0.75 0.86
9 E 1047 993 22.20 2.37 0.75 0.86
9 E 1047 993 22.20 2.36 0.75 0.86
10 E 580 550 0.02 3.19 0.75 0.86
10 E 580 550 0.02 3.20 0.75 0.86
11 E 364 345 0.27 4.38 0.75 0.86
11 E 364 345 0.27 4.37 0.75 0.86
12 E 133 126 7.24 5.56 0.75 0.86
12 E 133 126 7.25 5.56 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9599.6 cm-1
Scaled (by 0.9485) Zero Point Vibrational Energy (zpe) 9105.2 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 wB97X-D/6-31G*
ABC
0.09528 0.09528 0.05018

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-31G*

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.510
H2 0.000 0.000 1.609
C3 0.000 1.405 0.059
C4 1.217 -0.702 0.059
C5 -1.217 -0.702 0.059
N6 0.000 2.511 -0.273
N7 2.175 -1.256 -0.273
N8 -2.175 -1.256 -0.273

Atom - Atom Distances (Å)
  C1 H2 C3 C4 C5 N6 N7 N8
C11.09951.47561.47561.47562.63032.63032.6303
H21.09952.09232.09232.09233.13833.13833.1383
C31.47562.09232.43352.43351.15483.45223.4522
C41.47562.09232.43352.43353.45221.15483.4522
C51.47562.09232.43352.43353.45223.45221.1548
N62.63033.13831.15483.45223.45224.34934.3493
N72.63033.13833.45221.15483.45224.34934.3493
N82.63033.13833.45223.45221.15484.34934.3493

picture of tricyanomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 N6 178.911 C1 C4 N7 178.911
C1 C5 N8 178.911 H2 C1 C3 107.796
H2 C1 C4 107.796 H2 C1 C5 107.796
C3 C1 C4 111.093 C3 C1 C5 111.093
C4 C1 C5 111.093
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.309      
2 H 0.325      
3 C 0.395      
4 C 0.395      
5 C 0.395      
6 N -0.400      
7 N -0.400      
8 N -0.400      


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 2.794 2.794
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -48.667 0.000 0.000
y 0.000 -48.667 0.000
z 0.000 0.000 -34.980
Traceless
 xyz
x -6.843 0.000 0.000
y 0.000 -6.843 0.000
z 0.000 0.000 13.686
Polar
3z2-r227.372
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 7.768 0.000 0.000
y 0.000 7.766 0.000
z 0.000 0.000 4.523


<r2> (average value of r2) Å2
<r2> 201.271
(<r2>)1/2 14.187