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

using model chemistry: MP4=FULL/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=FULL/3-21G
 hartrees
Energy at 0K-314.338171
Energy at 298.15K 
HF Energy-313.564661
Nuclear repulsion energy209.641585
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=FULL/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 2966        
2 A1 2128 2083        
3 A1 839 821        
4 A1 599 587        
5 A1 187 183        
6 A2 416 407        
7 E 2141 2096        
7 E 2141 2096        
8 E 1336 1307        
8 E 1336 1307        
9 E 984 964        
9 E 984 964        
10 E 599 587        
10 E 570 558        
11 E 412 403        
11 E 412 403        
12 E 151 148        
12 E 151 147        

Unscaled Zero Point Vibrational Energy (zpe) 9208.0 cm-1
Scaled (by 0.9788) Zero Point Vibrational Energy (zpe) 9012.8 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=FULL/3-21G
ABC
0.09289 0.09289 0.04919

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/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 -0.705 0.071
C5 -1.222 -0.705 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
C11.10531.48871.48871.48872.67552.67552.6755
H21.10532.11832.11832.11833.19963.19963.1996
C31.48872.11832.44382.44381.18693.48723.4872
C41.48872.11832.44382.44383.48721.18693.4872
C51.48872.11832.44382.44383.48723.48721.1869
N62.67553.19961.18693.48723.48724.39964.3996
N72.67553.19963.48721.18693.48724.39964.3996
N82.67553.19963.48723.48721.18694.39964.3996

picture of tricyanomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 N6 179.336 C1 C4 N7 179.336
C1 C5 N8 179.336 H2 C1 C3 108.598
H2 C1 C4 108.598 H2 C1 C5 108.598
C3 C1 C4 110.330 C3 C1 C5 110.330
C4 C1 C5 110.330
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability