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

using model chemistry: QCISD(T)/aug-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 QCISD(T)/aug-cc-pVDZ
 hartrees
Energy at 0K-316.443516
Energy at 298.15K 
HF Energy-315.369263
Nuclear repulsion energy209.724411
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 QCISD(T)/aug-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 3047 2979        
2 A1 2260 2210        
3 A1 820 802        
4 A1 554 542        
5 A1 157 153        
6 A2 320 313        
7 E 2260 2210        
7 E 2260 2210        
8 E 1266 1238        
8 E 1266 1238        
9 E 1018 995        
9 E 1018 995        
10 E 550 538        
10 E 550 538        
11 E 322 315        
11 E 322 315        
12 E 125 122        
12 E 124 121        

Unscaled Zero Point Vibrational Energy (zpe) 9119.5 cm-1
Scaled (by 0.9778) Zero Point Vibrational Energy (zpe) 8917.0 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 QCISD(T)/aug-cc-pVDZ
ABC
0.09266 0.09266 0.04882

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)/aug-cc-pVDZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.521
H2 0.000 0.000 1.628
C3 0.000 1.420 0.061
C4 1.230 -0.710 0.061
C5 -1.230 -0.710 0.061
N6 0.000 2.548 -0.278
N7 2.206 -1.274 -0.278
N8 -2.206 -1.274 -0.278

Atom - Atom Distances (Å)
  C1 H2 C3 C4 C5 N6 N7 N8
C11.10761.49281.49281.49282.67012.67012.6701
H21.10762.11532.11532.11533.18213.18213.1821
C31.49282.11532.45972.45971.17753.49873.4987
C41.49282.11532.45972.45973.49871.17753.4987
C51.49282.11532.45972.45973.49873.49871.1775
N62.67013.18211.17753.49873.49874.41294.4129
N72.67013.18213.49871.17753.49874.41294.4129
N82.67013.18213.49873.49871.17754.41294.4129

picture of tricyanomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 N6 178.769 C1 C4 N7 178.769
C1 C5 N8 178.769 H2 C1 C3 107.952
H2 C1 C4 107.952 H2 C1 C5 107.952
C3 C1 C4 110.947 C3 C1 C5 110.947
C4 C1 C5 110.947
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability