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: PBE1PBE/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 PBE1PBE/6-31+G**
 hartrees
Energy at 0K-316.828715
Energy at 298.15K 
HF Energy-316.828715
Nuclear repulsion energy212.800196
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 PBE1PBE/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 3054 2918 15.93 90.46 0.11 0.20
2 A1 2417 2309 0.03 156.74 0.04 0.08
3 A1 846 808 6.33 6.95 0.10 0.18
4 A1 576 551 0.18 3.91 0.00 0.00
5 A1 167 160 22.36 2.80 0.68 0.81
6 A2 358 342 0.00 0.00 0.75 0.86
7 E 2412 2304 0.33 33.48 0.75 0.86
7 E 2412 2304 0.33 33.50 0.75 0.86
8 E 1286 1229 3.29 3.32 0.75 0.86
8 E 1286 1229 3.29 3.31 0.75 0.86
9 E 1046 1000 20.25 1.41 0.75 0.86
9 E 1046 1000 20.25 1.41 0.75 0.86
10 E 576 550 0.06 2.88 0.75 0.86
10 E 576 550 0.06 2.88 0.75 0.86
11 E 360 344 0.07 3.86 0.75 0.86
11 E 360 344 0.07 3.86 0.75 0.86
12 E 131 126 7.02 5.38 0.75 0.86
12 E 131 126 7.02 5.39 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9521.9 cm-1
Scaled (by 0.9553) Zero Point Vibrational Energy (zpe) 9096.3 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 PBE1PBE/6-31+G**
ABC
0.09528 0.09528 0.05008

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31+G**

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.499
H2 0.000 0.000 1.601
C3 0.000 1.404 0.055
C4 1.216 -0.702 0.055
C5 -1.216 -0.702 0.055
N6 0.000 2.515 -0.266
N7 2.178 -1.257 -0.266
N8 -2.178 -1.257 -0.266

Atom - Atom Distances (Å)
  C1 H2 C3 C4 C5 N6 N7 N8
C11.10161.47211.47211.47212.62872.62872.6287
H21.10162.08762.08762.08763.13203.13203.1320
C31.47212.08762.43122.43121.15683.45363.4536
C41.47212.08762.43122.43123.45361.15683.4536
C51.47212.08762.43122.43123.45363.45361.1568
N62.62873.13201.15683.45363.45364.35584.3558
N72.62873.13203.45361.15683.45364.35584.3558
N82.62873.13203.45363.45361.15684.35584.3558

picture of tricyanomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 N6 178.598 C1 C4 N7 178.598
C1 C5 N8 178.598 H2 C1 C3 107.543
H2 C1 C4 107.543 H2 C1 C5 107.543
C3 C1 C4 111.329 C3 C1 C5 111.329
C4 C1 C5 111.329
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.303      
2 H 0.307      
3 C 0.171      
4 C 0.171      
5 C 0.171      
6 N -0.375      
7 N -0.375      
8 N -0.375      


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 2.790 2.790
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -49.870 0.000 0.000
y 0.000 -49.870 0.000
z 0.000 0.000 -35.840
Traceless
 xyz
x -7.015 0.000 0.000
y 0.000 -7.015 0.000
z 0.000 0.000 14.030
Polar
3z2-r228.060
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 8.978 0.000 0.000
y 0.000 8.978 0.000
z 0.000 0.000 5.508


<r2> (average value of r2) Å2
<r2> 202.099
(<r2>)1/2 14.216