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

using model chemistry: QCISD/6-31G*

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/6-31G*
 hartrees
Energy at 0K-316.330823
Energy at 298.15K 
HF Energy-315.337274
Nuclear repulsion energy211.410067
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/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 3077 2930 6.49      
2 A1 2360 2247 0.30      
3 A1 858 817 7.77      
4 A1 575 548 0.22      
5 A1 166 158 21.76      
6 A2 338 322 0.00      
7 E 2359 2247 4.59      
7 E 2359 2247 4.59      
8 E 1335 1271 2.35      
8 E 1335 1271 2.35      
9 E 1051 1001 20.27      
9 E 1051 1001 20.27      
10 E 567 540 0.00      
10 E 567 540 0.00      
11 E 343 327 0.23      
11 E 343 327 0.23      
12 E 130 124 7.18      
12 E 130 124 7.18      

Unscaled Zero Point Vibrational Energy (zpe) 9473.0 cm-1
Scaled (by 0.9523) Zero Point Vibrational Energy (zpe) 9021.2 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/6-31G*
ABC
0.09413 0.09413 0.04960

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/6-31G*

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.516
H2 0.000 0.000 1.617
C3 0.000 1.410 0.060
C4 1.221 -0.705 0.060
C5 -1.221 -0.705 0.060
N6 0.000 2.527 -0.276
N7 2.189 -1.264 -0.276
N8 -2.189 -1.264 -0.276

Atom - Atom Distances (Å)
  C1 H2 C3 C4 C5 N6 N7 N8
C11.10061.48211.48211.48212.64862.64862.6486
H21.10062.10042.10042.10043.15763.15763.1576
C31.48212.10042.44252.44251.16663.47173.4717
C41.48212.10042.44252.44253.47171.16663.4717
C51.48212.10042.44252.44253.47173.47171.1666
N62.64863.15761.16663.47173.47174.37734.3773
N72.64863.15763.47171.16663.47174.37734.3773
N82.64863.15763.47173.47171.16664.37734.3773

picture of tricyanomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 N6 178.838 C1 C4 N7 178.838
C1 C5 N8 178.838 H2 C1 C3 107.922
H2 C1 C4 107.922 H2 C1 C5 107.922
C3 C1 C4 110.975 C3 C1 C5 110.975
C4 C1 C5 110.975
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability