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

using model chemistry: QCISD/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/aug-cc-pVDZ
 hartrees
Energy at 0K-316.394372
Energy at 298.15K 
HF Energy-315.373731
Nuclear repulsion energy210.423743
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/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 3074 2978 7.30      
2 A1 2322 2250 0.53      
3 A1 835 809 7.13      
4 A1 565 548 0.25      
5 A1 163 158 23.87      
6 A2 334 324 0.00      
7 E 2322 2250 4.87      
7 E 2322 2250 4.87      
8 E 1288 1247 5.10      
8 E 1288 1247 5.10      
9 E 1036 1004 17.46      
9 E 1036 1004 17.46      
10 E 565 547 0.01      
10 E 565 547 0.01      
11 E 336 325 0.40      
11 E 336 325 0.40      
12 E 129 125 7.58      
12 E 129 125 7.58      

Unscaled Zero Point Vibrational Energy (zpe) 9322.1 cm-1
Scaled (by 0.9687) Zero Point Vibrational Energy (zpe) 9030.3 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/aug-cc-pVDZ
ABC
0.09320 0.09320 0.04909

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.517
H2 0.000 0.000 1.622
C3 0.000 1.419 0.060
C4 1.229 -0.709 0.060
C5 -1.229 -0.709 0.060
N6 0.000 2.540 -0.276
N7 2.200 -1.270 -0.276
N8 -2.200 -1.270 -0.276

Atom - Atom Distances (Å)
  C1 H2 C3 C4 C5 N6 N7 N8
C11.10531.49051.49051.49052.66072.66072.6607
H21.10532.11052.11052.11053.17073.17073.1707
C31.49052.11052.45712.45711.17033.48983.4898
C41.49052.11052.45712.45713.48981.17033.4898
C51.49052.11052.45712.45713.48983.48981.1703
N62.66073.17071.17033.48983.48984.39904.3990
N72.66073.17073.48981.17033.48984.39904.3990
N82.66073.17073.48983.48981.17034.39904.3990

picture of tricyanomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 N6 178.792 C1 C4 N7 178.792
C1 C5 N8 178.792 H2 C1 C3 107.869
H2 C1 C4 107.869 H2 C1 C5 107.869
C3 C1 C4 111.025 C3 C1 C5 111.025
C4 C1 C5 111.025
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability