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: HF/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 HF/6-31G
 hartrees
Energy at 0K-315.189779
Energy at 298.15K 
HF Energy-315.189779
Nuclear repulsion energy214.135169
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/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 3208 2897 11.57 81.72 0.17 0.30
2 A1 2587 2336 0.23 81.99 0.06 0.11
3 A1 937 846 15.69 9.44 0.21 0.35
4 A1 629 568 0.43 4.24 0.00 0.01
5 A1 193 175 23.25 3.75 0.70 0.83
6 A2 409 369 0.00 0.00 0.75 0.86
7 E 2584 2333 1.01 24.62 0.75 0.86
7 E 2584 2333 1.01 24.62 0.75 0.86
8 E 1455 1314 1.56 4.23 0.75 0.86
8 E 1455 1314 1.56 4.23 0.75 0.86
9 E 1122 1013 51.27 5.24 0.75 0.86
9 E 1122 1013 51.27 5.24 0.75 0.86
10 E 645 582 0.02 5.49 0.75 0.86
10 E 645 582 0.02 5.49 0.75 0.86
11 E 411 371 0.05 6.95 0.75 0.86
11 E 411 371 0.05 6.95 0.75 0.86
12 E 153 138 7.69 7.01 0.75 0.86
12 E 153 138 7.69 7.01 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10351.3 cm-1
Scaled (by 0.9029) Zero Point Vibrational Energy (zpe) 9346.2 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 HF/6-31G
ABC
0.09633 0.09633 0.05068

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.503
H2 0.000 0.000 1.590
C3 0.000 1.401 0.057
C4 1.213 -0.701 0.057
C5 -1.213 -0.701 0.057
N6 0.000 2.497 -0.268
N7 2.163 -1.249 -0.268
N8 -2.163 -1.249 -0.268

Atom - Atom Distances (Å)
  C1 H2 C3 C4 C5 N6 N7 N8
C11.08731.47041.47041.47042.61342.61342.6134
H21.08732.07722.07722.07723.11273.11273.1127
C31.47042.07722.42682.42681.14313.43553.4355
C41.47042.07722.42682.42683.43551.14313.4355
C51.47042.07722.42682.42683.43553.43551.1431
N62.61343.11271.14313.43553.43554.32514.3251
N72.61343.11273.43551.14313.43554.32514.3251
N82.61343.11273.43553.43551.14314.32514.3251

picture of tricyanomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 N6 178.845 C1 C4 N7 178.845
C1 C5 N8 178.845 H2 C1 C3 107.664
H2 C1 C4 107.664 H2 C1 C5 107.664
C3 C1 C4 111.216 C3 C1 C5 111.216
C4 C1 C5 111.216
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.159      
2 H 0.341      
3 C 0.166      
4 C 0.166      
5 C 0.166      
6 N -0.227      
7 N -0.227      
8 N -0.227      


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 3.044 3.044
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -51.548 0.000 0.000
y 0.000 -51.548 0.000
z 0.000 0.000 -36.120
Traceless
 xyz
x -7.714 0.000 0.000
y 0.000 -7.714 0.000
z 0.000 0.000 15.428
Polar
3z2-r230.856
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 7.275 0.000 0.000
y 0.000 7.275 0.000
z 0.000 0.000 4.118


<r2> (average value of r2) Å2
<r2> 200.880
(<r2>)1/2 14.173