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

using model chemistry: MP2=FULL/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 MP2=FULL/aug-cc-pVDZ
 hartrees
Energy at 0K-316.402309
Energy at 298.15K 
HF Energy-315.363813
Nuclear repulsion energy210.134580
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/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 3079 2984 9.91 84.73 0.10 0.18
2 A1 2157 2091 1.78 92.58 0.03 0.06
3 A1 833 807 6.85 8.92 0.05 0.10
4 A1 562 544 0.05 5.10 0.00 0.00
5 A1 157 153 21.69 1.80 0.67 0.80
6 A2 333 323 0.00 0.00 0.75 0.86
7 E 2166 2099 16.83 17.63 0.75 0.86
7 E 2166 2099 16.83 17.63 0.75 0.86
8 E 1270 1231 3.57 2.38 0.75 0.86
8 E 1270 1231 3.57 2.38 0.75 0.86
9 E 1032 1000 13.25 1.40 0.75 0.86
9 E 1032 1000 13.25 1.40 0.75 0.86
10 E 557 540 0.03 1.06 0.75 0.86
10 E 557 540 0.03 1.06 0.75 0.86
11 E 330 320 0.20 1.73 0.75 0.86
11 E 330 320 0.20 1.73 0.75 0.86
12 E 126 122 7.02 3.57 0.75 0.86
12 E 126 122 7.02 3.57 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9040.8 cm-1
Scaled (by 0.9692) Zero Point Vibrational Energy (zpe) 8762.3 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 MP2=FULL/aug-cc-pVDZ
ABC
0.09328 0.09328 0.04922

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/aug-cc-pVDZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.525
H2 0.000 0.000 1.630
C3 0.000 1.407 0.065
C4 1.219 -0.704 0.065
C5 -1.219 -0.704 0.065
N6 0.000 2.541 -0.283
N7 2.200 -1.270 -0.283
N8 -2.200 -1.270 -0.283

Atom - Atom Distances (Å)
  C1 H2 C3 C4 C5 N6 N7 N8
C11.10491.48061.48061.48062.66632.66632.6663
H21.10492.10482.10482.10483.18063.18063.1806
C31.48062.10482.43732.43731.18593.48323.4832
C41.48062.10482.43732.43733.48321.18593.4832
C51.48062.10482.43732.43733.48323.48321.1859
N62.66633.18061.18593.48323.48324.40104.4010
N72.66633.18063.48321.18593.48324.40104.4010
N82.66633.18063.48323.48321.18594.40104.4010

picture of tricyanomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 N6 178.937 C1 C4 N7 178.937
C1 C5 N8 178.937 H2 C1 C3 108.117
H2 C1 C4 108.117 H2 C1 C5 108.117
C3 C1 C4 110.791 C3 C1 C5 110.791
C4 C1 C5 110.791
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability