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

using model chemistry: MP4/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at MP4/3-21G
 hartrees
Energy at 0K-314.326966
Energy at 298.15K 
HF Energy-313.564575
Nuclear repulsion energy209.615054
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 MP4/3-21G
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 3031 2939        
2 A1 2128 2064        
3 A1 839 814        
4 A1 599 581        
5 A1 187 181        
6 A2 416 404        
7 E 2141 2076        
7 E 2141 2076        
8 E 1336 1295        
8 E 1336 1295        
9 E 984 955        
9 E 984 955        
10 E 599 581        
10 E 570 553        
11 E 412 400        
11 E 412 400        
12 E 151 147        
12 E 151 146        

Unscaled Zero Point Vibrational Energy (zpe) 9208.2 cm-1
Scaled (by 0.9698) Zero Point Vibrational Energy (zpe) 8930.1 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 MP4/3-21G
ABC
0.09287 0.09287 0.04918

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/3-21G

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.545
H2 0.000 0.000 1.651
C3 0.000 1.411 0.071
C4 1.222 -0.706 0.071
C5 -1.222 -0.706 0.071
N6 0.000 2.540 -0.295
N7 2.200 -1.270 -0.295
N8 -2.200 -1.270 -0.295

Atom - Atom Distances (Å)
  C1 H2 C3 C4 C5 N6 N7 N8
C11.10541.48891.48891.48892.67582.67582.6758
H21.10542.11862.11862.11863.20003.20003.2000
C31.48892.11862.44432.44431.18693.48773.4877
C41.48892.11862.44432.44433.48771.18693.4877
C51.48892.11862.44432.44433.48773.48771.1869
N62.67583.20001.18693.48773.48774.40014.4001
N72.67583.20003.48771.18693.48774.40014.4001
N82.67583.20003.48773.48771.18694.40014.4001

picture of tricyanomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 N6 179.349 C1 C4 N7 179.349
C1 C5 N8 179.349 H2 C1 C3 108.596
H2 C1 C4 108.596 H2 C1 C5 108.596
C3 C1 C4 110.332 C3 C1 C5 110.332
C4 C1 C5 110.332
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability