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

using model chemistry: CCSD/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at CCSD/TZVP
 hartrees
Energy at 0K-316.460912
Energy at 298.15K 
HF Energy-315.436575
Nuclear repulsion energy212.861892
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 CCSD/TZVP
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 3098 2956 7.27      
2 A1 2380 2271 0.54      
3 A1 859 820 8.96      
4 A1 579 552 0.15      
5 A1 167 159 21.74      
6 A2 343 328 0.00      
7 E 2378 2270 5.45      
7 E 2378 2270 5.45      
8 E 1327 1266 3.97      
8 E 1327 1266 3.97      
9 E 1051 1003 20.11      
9 E 1051 1003 20.11      
10 E 580 553 0.00      
10 E 580 553 0.00      
11 E 345 330 0.21      
11 E 345 330 0.21      
12 E 133 127 7.15      
12 E 133 127 7.15      

Unscaled Zero Point Vibrational Energy (zpe) 9525.7 cm-1
Scaled (by 0.9544) Zero Point Vibrational Energy (zpe) 9091.3 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 CCSD/TZVP
ABC
0.09533 0.09533 0.05022

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/TZVP

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.512
H2 0.000 0.000 1.607
C3 0.000 1.405 0.059
C4 1.216 -0.702 0.059
C5 -1.216 -0.702 0.059
N6 0.000 2.510 -0.274
N7 2.174 -1.255 -0.274
N8 -2.174 -1.255 -0.274

Atom - Atom Distances (Å)
  C1 H2 C3 C4 C5 N6 N7 N8
C11.09461.47591.47591.47592.63012.63012.6301
H21.09462.09002.09002.09003.13623.13623.1362
C31.47592.09002.43292.43291.15443.45103.4510
C41.47592.09002.43292.43293.45101.15443.4510
C51.47592.09002.43292.43293.45103.45101.1544
N62.63013.13621.15443.45103.45104.34754.3475
N72.63013.13623.45101.15443.45104.34754.3475
N82.63013.13623.45103.45101.15444.34754.3475

picture of tricyanomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 N6 178.877 C1 C4 N7 178.877
C1 C5 N8 178.877 H2 C1 C3 107.876
H2 C1 C4 107.876 H2 C1 C5 107.876
C3 C1 C4 111.018 C3 C1 C5 111.018
C4 C1 C5 111.018
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability