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All results from a given calculation for CH(CN)3 (tricyanomethane)

using model chemistry: CISD/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at CISD/Def2TZVPP
 hartrees
Energy at 0K-316.373572
Energy at 298.15K 
HF Energy-315.462543
Nuclear repulsion energy215.143951
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 CISD/Def2TZVPP
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 3199 3199 13.99      
2 A1 2536 2536 0.02      
3 A1 895 895 5.54      
4 A1 607 607 1.37      
5 A1 181 181 28.58      
6 A2 389 389 0.00      
7 E 2530 2530 0.17      
7 E 2530 2530 0.17      
8 E 1378 1378 4.96      
8 E 1378 1378 4.96      
9 E 1097 1097 22.37      
9 E 1097 1097 22.37      
10 E 620 620 0.49      
10 E 620 620 0.49      
11 E 387 387 0.75      
11 E 387 387 0.75      
12 E 143 143 8.95      
12 E 143 143 8.95      

Unscaled Zero Point Vibrational Energy (zpe) 10059.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10059.1 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 CISD/Def2TZVPP
ABC
0.09717 0.09717 0.05113

See section I.F.4 to change rotational constant units
Geometric Data calculated at CISD/Def2TZVPP

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.503
H2 0.000 0.000 1.587
C3 0.000 1.397 0.055
C4 1.210 -0.699 0.055
C5 -1.210 -0.699 0.055
N6 0.000 2.485 -0.267
N7 2.152 -1.242 -0.267
N8 -2.152 -1.242 -0.267

Atom - Atom Distances (Å)
  C1 H2 C3 C4 C5 N6 N7 N8
C11.08391.46741.46741.46742.60142.60142.6014
H21.08392.07332.07332.07333.10023.10023.1002
C31.46742.07332.42032.42031.13423.42103.4210
C41.46742.07332.42032.42033.42101.13423.4210
C51.46742.07332.42032.42033.42103.42101.1342
N62.60143.10021.13423.42103.42104.30384.3038
N72.60143.10023.42101.13423.42104.30384.3038
N82.60143.10023.42103.42101.13424.30384.3038

picture of tricyanomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 N6 178.743 C1 C4 N7 178.743
C1 C5 N8 178.743 H2 C1 C3 107.765
H2 C1 C4 107.765 H2 C1 C5 107.765
C3 C1 C4 111.122 C3 C1 C5 111.122
C4 C1 C5 111.122
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability