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: PBEPBE/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at PBEPBE/aug-cc-pVDZ
 hartrees
Energy at 0K-316.861945
Energy at 298.15K 
HF Energy-316.861945
Nuclear repulsion energy211.003124
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 PBEPBE/aug-cc-pVDZ
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 2948 2930 11.33 96.57 0.09 0.17
2 A1 2285 2271 0.20 186.39 0.04 0.08
3 A1 805 800 4.78 8.28 0.06 0.11
4 A1 551 548 0.09 5.95 0.00 0.01
5 A1 156 155 20.70 2.09 0.67 0.80
6 A2 332 330 0.00 0.00 0.75 0.86
7 E 2278 2265 1.59 35.30 0.75 0.86
7 E 2278 2265 1.59 35.33 0.75 0.86
8 E 1208 1200 2.93 3.00 0.75 0.86
8 E 1208 1200 2.93 3.00 0.75 0.86
9 E 997 991 13.12 1.14 0.75 0.86
9 E 997 991 13.11 1.14 0.75 0.86
10 E 545 542 0.08 1.11 0.75 0.86
10 E 545 542 0.08 1.12 0.75 0.86
11 E 332 330 0.07 1.95 0.75 0.86
11 E 332 330 0.07 1.95 0.75 0.86
12 E 123 123 6.39 4.12 0.75 0.86
12 E 123 123 6.39 4.12 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9021.4 cm-1
Scaled (by 0.9939) Zero Point Vibrational Energy (zpe) 8966.4 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 PBEPBE/aug-cc-pVDZ
ABC
0.09378 0.09378 0.04932

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/aug-cc-pVDZ

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 1.617
C3 0.000 1.412 0.058
C4 1.223 -0.706 0.058
C5 -1.223 -0.706 0.058
N6 0.000 2.535 -0.271
N7 2.196 -1.268 -0.271
N8 -2.196 -1.268 -0.271

Atom - Atom Distances (Å)
  C1 H2 C3 C4 C5 N6 N7 N8
C11.11381.48021.48021.48022.65112.65112.6511
H21.11382.10322.10322.10323.16143.16143.1614
C31.48022.10322.44512.44511.17103.47983.4798
C41.48022.10322.44512.44513.47981.17103.4798
C51.48022.10322.44512.44513.47983.47981.1710
N62.65113.16141.17103.47983.47984.39154.3915
N72.65113.16143.47981.17103.47984.39154.3915
N82.65113.16143.47983.47981.17104.39154.3915

picture of tricyanomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 N6 178.828 C1 C4 N7 178.828
C1 C5 N8 178.828 H2 C1 C3 107.507
H2 C1 C4 107.507 H2 C1 C5 107.507
C3 C1 C4 111.362 C3 C1 C5 111.362
C4 C1 C5 111.362
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 1.176      
2 H 0.002      
3 C -0.181      
4 C -0.181      
5 C -0.181      
6 N -0.212      
7 N -0.212      
8 N -0.212      


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 2.701 2.701
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -49.790 0.000 0.000
y 0.000 -49.790 0.000
z 0.000 0.000 -36.017
Traceless
 xyz
x -6.886 0.000 0.000
y 0.000 -6.886 0.000
z 0.000 0.000 13.772
Polar
3z2-r227.545
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 10.037 0.000 0.000
y 0.000 10.037 0.000
z 0.000 0.000 6.452


<r2> (average value of r2) Å2
<r2> 204.837
(<r2>)1/2 14.312