return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: MP2=FULL/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at MP2=FULL/STO-3G
 hartrees
Energy at 0K-311.872599
Energy at 298.15K 
HF Energy-311.287220
Nuclear repulsion energy203.811282
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 MP2=FULL/STO-3G
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 3397 3020 8.26 38.40 0.29 0.45
2 A1 2073 1843 9.65 7.18 0.04 0.08
3 A1 877 779 3.87 4.55 0.07 0.13
4 A1 567 504 0.13 3.20 0.01 0.02
5 A1 161 143 11.51 1.50 0.71 0.83
6 A2 351 312 0.00 0.00 0.74 0.85
7 E 2081 1849 82.69 2.09 0.75 0.86
7 E 2081 1849 82.69 2.09 0.75 0.86
8 E 1397 1242 2.98 5.41 0.75 0.86
8 E 1397 1242 2.98 5.41 0.75 0.86
9 E 1040 925 5.00 3.36 0.75 0.86
9 E 1040 925 5.00 3.36 0.75 0.86
10 E 570 507 0.02 0.76 0.75 0.86
10 E 570 507 0.02 0.76 0.75 0.86
11 E 341 303 0.09 1.76 0.75 0.86
11 E 341 303 0.09 1.76 0.75 0.86
12 E 128 114 4.02 2.77 0.75 0.86
12 E 128 114 4.02 2.77 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9270.4 cm-1
Scaled (by 0.8889) Zero Point Vibrational Energy (zpe) 8240.4 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 MP2=FULL/STO-3G
ABC
0.08790 0.08790 0.04654

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/STO-3G

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.559
H2 0.000 0.000 1.676
C3 0.000 1.444 0.077
C4 1.251 -0.722 0.077
C5 -1.251 -0.722 0.077
N6 0.000 2.614 -0.305
N7 2.264 -1.307 -0.305
N8 -2.264 -1.307 -0.305

Atom - Atom Distances (Å)
  C1 H2 C3 C4 C5 N6 N7 N8
C11.11721.52251.52251.52252.75342.75342.7534
H21.11722.15482.15482.15483.28023.28023.2802
C31.52252.15482.50142.50141.23093.58353.5835
C41.52252.15482.50142.50143.58351.23093.5835
C51.52252.15482.50142.50143.58353.58351.2309
N62.75343.28021.23093.58353.58354.52814.5281
N72.75343.28023.58351.23093.58354.52814.5281
N82.75343.28023.58353.58351.23094.52814.5281

picture of tricyanomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 N6 179.624 C1 C4 N7 179.624
C1 C5 N8 179.624 H2 C1 C3 108.459
H2 C1 C4 108.459 H2 C1 C5 108.459
C3 C1 C4 110.465 C3 C1 C5 110.465
C4 C1 C5 110.465
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability