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

using model chemistry: CISD/6-311+G(3df,2p)

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/6-311+G(3df,2p)
 hartrees
Energy at 0K-316.364352
Energy at 298.15K 
HF Energy-315.448406
Nuclear repulsion energy215.160574
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/6-311+G(3df,2p)
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 3189 2939 14.50      
2 A1 2532 2334 0.02      
3 A1 892 823 4.98      
4 A1 604 556 1.53      
5 A1 180 166 29.59      
6 A2 385 355 0.00      
7 E 2527 2329 0.12      
7 E 2527 2329 0.12      
8 E 1375 1267 5.23      
8 E 1375 1267 5.23      
9 E 1094 1008 22.11      
9 E 1094 1008 22.11      
10 E 618 570 0.63      
10 E 618 570 0.63      
11 E 384 354 0.82      
11 E 384 354 0.82      
12 E 143 132 9.17      
12 E 143 132 9.17      

Unscaled Zero Point Vibrational Energy (zpe) 10031.4 cm-1
Scaled (by 0.9218) Zero Point Vibrational Energy (zpe) 9246.9 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/6-311+G(3df,2p)
ABC
0.09718 0.09718 0.05113

See section I.F.4 to change rotational constant units
Geometric Data calculated at CISD/6-311+G(3df,2p)

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.502
H2 0.000 0.000 1.587
C3 0.000 1.397 0.054
C4 1.210 -0.699 0.054
C5 -1.210 -0.699 0.054
N6 0.000 2.485 -0.266
N7 2.152 -1.243 -0.266
N8 -2.152 -1.243 -0.266

Atom - Atom Distances (Å)
  C1 H2 C3 C4 C5 N6 N7 N8
C11.08501.46751.46751.46752.60102.60102.6010
H21.08502.07452.07452.07453.09983.09983.0998
C31.46752.07452.42032.42031.13373.42103.4210
C41.46752.07452.42032.42033.42101.13373.4210
C51.46752.07452.42032.42033.42103.42101.1337
N62.60103.09981.13373.42103.42104.30434.3043
N72.60103.09983.42101.13373.42104.30434.3043
N82.60103.09983.42103.42101.13374.30434.3043

picture of tricyanomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 N6 178.591 C1 C4 N7 178.591
C1 C5 N8 178.591 H2 C1 C3 107.784
H2 C1 C4 107.784 H2 C1 C5 107.784
C3 C1 C4 111.105 C3 C1 C5 111.105
C4 C1 C5 111.105
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability