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: CCD/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at CCD/3-21G*
 hartrees
Energy at 0K-314.277233
Energy at 298.15K 
HF Energy-313.575162
Nuclear repulsion energy211.063378
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 CCD/3-21G*
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 3053 2920 4.89      
2 A1 2330 2229 1.06      
3 A1 861 824 11.76      
4 A1 586 561 0.12      
5 A1 192 184 15.85      
6 A2 423 404 0.00      
7 E 2327 2225 8.01      
7 E 2327 2225 8.01      
8 E 1356 1297 0.01      
8 E 1356 1297 0.01      
9 E 1020 975 22.15      
9 E 1020 975 22.15      
10 E 617 590 0.00      
10 E 617 590 0.00      
11 E 421 402 0.00      
11 E 421 402 0.00      
12 E 155 148 5.39      
12 E 155 148 5.39      

Unscaled Zero Point Vibrational Energy (zpe) 9617.7 cm-1
Scaled (by 0.9565) Zero Point Vibrational Energy (zpe) 9199.3 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 CCD/3-21G*
ABC
0.09396 0.09396 0.04972

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/3-21G*

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.539
H2 0.000 0.000 1.643
C3 0.000 1.410 0.068
C4 1.221 -0.705 0.068
C5 -1.221 -0.705 0.068
N6 0.000 2.523 -0.291
N7 2.185 -1.262 -0.291
N8 -2.185 -1.262 -0.291

Atom - Atom Distances (Å)
  C1 H2 C3 C4 C5 N6 N7 N8
C11.10351.48671.48671.48672.65622.65622.6562
H21.10352.11392.11392.11393.17893.17893.1789
C31.48672.11392.44222.44221.16953.47003.4700
C41.48672.11392.44222.44223.47001.16953.4700
C51.48672.11392.44222.44223.47003.47001.1695
N62.65623.17891.16953.47003.47004.37034.3703
N72.65623.17893.47001.16953.47004.37034.3703
N82.65623.17893.47003.47001.16954.37034.3703

picture of tricyanomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 N6 179.371 C1 C4 N7 179.371
C1 C5 N8 179.371 H2 C1 C3 108.487
H2 C1 C4 108.487 H2 C1 C5 108.487
C3 C1 C4 110.437 C3 C1 C5 110.437
C4 C1 C5 110.437
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability