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: MP3/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at MP3/TZVP
 hartrees
Energy at 0K-316.437556
Energy at 298.15K 
HF Energy-315.439989
Nuclear repulsion energy213.660379
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 MP3/TZVP
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 3124 2921 9.35      
2 A1 2483 2322 0.18      
3 A1 869 813 8.87      
4 A1 588 550 0.22      
5 A1 169 158 22.44      
6 A2 347 324 0.00      
7 E 2475 2314 2.17      
7 E 2475 2314 2.17      
8 E 1334 1247 4.48      
8 E 1334 1247 4.48      
9 E 1066 997 21.96      
9 E 1066 997 21.96      
10 E 590 551 0.01      
10 E 590 551 0.01      
11 E 350 327 0.25      
11 E 350 327 0.25      
12 E 133 125 7.36      
12 E 133 125 7.36      

Unscaled Zero Point Vibrational Energy (zpe) 9737.2 cm-1
Scaled (by 0.9352) Zero Point Vibrational Energy (zpe) 9106.2 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 MP3/TZVP
ABC
0.09595 0.09595 0.05054

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/TZVP

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.509
H2 0.000 0.000 1.602
C3 0.000 1.403 0.059
C4 1.215 -0.702 0.059
C5 -1.215 -0.702 0.059
N6 0.000 2.501 -0.272
N7 2.166 -1.250 -0.272
N8 -2.166 -1.250 -0.272

Atom - Atom Distances (Å)
  C1 H2 C3 C4 C5 N6 N7 N8
C11.09271.47381.47381.47382.61982.61982.6198
H21.09272.08592.08592.08593.12493.12493.1249
C31.47382.08592.43042.43041.14613.44103.4410
C41.47382.08592.43042.43043.44101.14613.4410
C51.47382.08592.43042.43043.44103.44101.1461
N62.61983.12491.14613.44103.44104.33134.3313
N72.61983.12493.44101.14613.44104.33134.3313
N82.61983.12493.44103.44101.14614.33134.3313

picture of tricyanomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 N6 178.951 C1 C4 N7 178.951
C1 C5 N8 178.951 H2 C1 C3 107.808
H2 C1 C4 107.808 H2 C1 C5 107.808
C3 C1 C4 111.082 C3 C1 C5 111.082
C4 C1 C5 111.082
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability