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

using model chemistry: MP3/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at MP3/cc-pVDZ
 hartrees
Energy at 0K-316.324676
Energy at 298.15K 
HF Energy-315.366568
Nuclear repulsion energy211.426300
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 MP3/cc-pVDZ
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 3119 2957 7.84      
2 A1 2457 2329 0.09      
3 A1 852 807 8.22      
4 A1 580 549 0.07      
5 A1 167 158 19.87      
6 A2 349 331 0.00      
7 E 2449 2321 2.31      
7 E 2449 2321 2.31      
8 E 1313 1244 5.15      
8 E 1313 1244 5.15      
9 E 1061 1006 20.89      
9 E 1061 1006 20.89      
10 E 580 549 0.01      
10 E 580 549 0.01      
11 E 348 330 0.19      
11 E 348 330 0.19      
12 E 132 126 6.59      
12 E 132 126 6.59      

Unscaled Zero Point Vibrational Energy (zpe) 9643.9 cm-1
Scaled (by 0.9479) Zero Point Vibrational Energy (zpe) 9141.5 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 MP3/cc-pVDZ
ABC
0.09401 0.09401 0.04950

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/cc-pVDZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.513
H2 0.000 0.000 1.618
C3 0.000 1.416 0.060
C4 1.226 -0.708 0.060
C5 -1.226 -0.708 0.060
N6 0.000 2.527 -0.275
N7 2.189 -1.264 -0.275
N8 -2.189 -1.264 -0.275

Atom - Atom Distances (Å)
  C1 H2 C3 C4 C5 N6 N7 N8
C11.10461.48671.48671.48672.64732.64732.6473
H21.10462.10532.10532.10533.15743.15743.1574
C31.48672.10532.45242.45241.16073.47613.4761
C41.48672.10532.45242.45243.47611.16073.4761
C51.48672.10532.45242.45243.47613.47611.1607
N62.64733.15741.16073.47613.47614.37764.3776
N72.64733.15743.47611.16073.47614.37764.3776
N82.64733.15743.47613.47611.16074.37764.3776

picture of tricyanomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 N6 178.980 C1 C4 N7 178.980
C1 C5 N8 178.980 H2 C1 C3 107.758
H2 C1 C4 107.758 H2 C1 C5 107.758
C3 C1 C4 111.129 C3 C1 C5 111.129
C4 C1 C5 111.129
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability