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

using model chemistry: QCISD/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 QCISD/TZVP
 hartrees
Energy at 0K-316.465506
Energy at 298.15K 
HF Energy-315.435872
Nuclear repulsion energy212.701218
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/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 3096 2957 7.01      
2 A1 2364 2259 0.44      
3 A1 857 819 8.89      
4 A1 577 551 0.16      
5 A1 167 159 21.81      
6 A2 343 327 0.00      
7 E 2363 2258 4.61      
7 E 2363 2258 4.61      
8 E 1325 1265 3.86      
8 E 1325 1265 3.86      
9 E 1047 1000 19.76      
9 E 1047 1000 19.76      
10 E 578 552 0.00      
10 E 578 552 0.00      
11 E 345 329 0.21      
11 E 345 329 0.21      
12 E 132 126 7.17      
12 E 132 126 7.17      

Unscaled Zero Point Vibrational Energy (zpe) 9491.6 cm-1
Scaled (by 0.9553) Zero Point Vibrational Energy (zpe) 9067.3 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 QCISD/TZVP
ABC
0.09520 0.09520 0.05015

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/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 1.217 -0.703 0.059
C5 -1.217 -0.703 0.059
N6 0.000 2.512 -0.274
N7 2.175 -1.256 -0.274
N8 -2.175 -1.256 -0.274

Atom - Atom Distances (Å)
  C1 H2 C3 C4 C5 N6 N7 N8
C11.09471.47641.47641.47642.63222.63222.6322
H21.09472.09062.09062.09063.13823.13823.1382
C31.47642.09062.43382.43381.15583.45333.4533
C41.47642.09062.43382.43383.45331.15583.4533
C51.47642.09062.43382.43383.45333.45331.1558
N62.63223.13821.15583.45333.45334.35094.3509
N72.63223.13823.45331.15583.45334.35094.3509
N82.63223.13823.45333.45331.15584.35094.3509

picture of tricyanomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 N6 178.870 C1 C4 N7 178.870
C1 C5 N8 178.870 H2 C1 C3 107.875
H2 C1 C4 107.875 H2 C1 C5 107.875
C3 C1 C4 111.019 C3 C1 C5 111.019
C4 C1 C5 111.019
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability