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/6-31+G**

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/6-31+G**
 hartrees
Energy at 0K-315.355849
Energy at 298.15K 
HF Energy-315.355849
Nuclear repulsion energy214.456377
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/6-31+G**
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 3236 2926 12.83 75.94 0.14 0.24
2 A1 2639 2386 0.03 149.82 0.04 0.07
3 A1 918 830 9.42 7.73 0.14 0.24
4 A1 616 557 1.29 4.27 0.00 0.01
5 A1 189 171 29.28 2.87 0.67 0.80
6 A2 405 366 0.00 0.00 0.75 0.86
7 E 2636 2383 0.63 26.77 0.75 0.86
7 E 2636 2383 0.63 26.77 0.75 0.86
8 E 1422 1286 7.71 2.76 0.75 0.86
8 E 1422 1286 7.71 2.76 0.75 0.86
9 E 1112 1006 37.43 2.70 0.75 0.86
9 E 1112 1006 37.43 2.70 0.75 0.86
10 E 638 577 0.43 4.03 0.75 0.86
10 E 638 577 0.43 4.03 0.75 0.86
11 E 404 366 0.53 4.58 0.75 0.86
11 E 404 366 0.53 4.58 0.75 0.86
12 E 149 135 9.12 5.45 0.75 0.86
12 E 149 135 9.12 5.45 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10362.5 cm-1
Scaled (by 0.9042) Zero Point Vibrational Energy (zpe) 9369.8 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/6-31+G**
ABC
0.09640 0.09640 0.05069

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.504
H2 0.000 0.000 1.590
C3 0.000 1.407 0.053
C4 1.219 -0.704 0.053
C5 -1.219 -0.704 0.053
N6 0.000 2.494 -0.265
N7 2.160 -1.247 -0.265
N8 -2.160 -1.247 -0.265

Atom - Atom Distances (Å)
  C1 H2 C3 C4 C5 N6 N7 N8
C11.08581.47761.47761.47762.60962.60962.6096
H21.08582.08382.08382.08383.10773.10773.1077
C31.47762.08382.43712.43711.13223.43643.4364
C41.47762.08382.43712.43713.43641.13223.4364
C51.47762.08382.43712.43713.43643.43641.1322
N62.60963.10771.13223.43643.43644.31954.3195
N72.60963.10773.43641.13223.43644.31954.3195
N82.60963.10773.43643.43641.13224.31954.3195

picture of tricyanomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 N6 178.505 C1 C4 N7 178.505
C1 C5 N8 178.505 H2 C1 C3 107.776
H2 C1 C4 107.776 H2 C1 C5 107.776
C3 C1 C4 111.112 C3 C1 C5 111.112
C4 C1 C5 111.112
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.519      
2 H 0.289      
3 C 0.063      
4 C 0.063      
5 C 0.063      
6 N -0.333      
7 N -0.333      
8 N -0.333      


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 2.984 2.984
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -51.118 0.000 0.000
y 0.000 -51.118 0.000
z 0.000 0.000 -36.214
Traceless
 xyz
x -7.452 0.000 0.000
y 0.000 -7.452 0.000
z 0.000 0.000 14.903
Polar
3z2-r229.807
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 8.272 0.000 0.000
y 0.000 8.272 0.000
z 0.000 0.000 5.194


<r2> (average value of r2) Å2
<r2> 200.638
(<r2>)1/2 14.165