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

using model chemistry: MP2=FULL/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 MP2=FULL/6-31G**
 hartrees
Energy at 0K-316.355179
Energy at 298.15K 
HF Energy-315.330795
Nuclear repulsion energy211.248040
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/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 3127 2922 7.44 80.69 0.17 0.28
2 A1 2208 2064 1.49 44.14 0.06 0.12
3 A1 853 797 6.66 6.47 0.11 0.19
4 A1 570 532 0.10 2.62 0.00 0.00
5 A1 163 152 20.46 2.60 0.71 0.83
6 A2 344 321 0.00 0.00 0.75 0.86
7 E 2215 2070 16.62 16.63 0.75 0.86
7 E 2215 2070 16.62 16.63 0.75 0.86
8 E 1321 1235 2.36 3.76 0.75 0.86
8 E 1321 1235 2.36 3.76 0.75 0.86
9 E 1049 980 14.63 2.34 0.75 0.86
9 E 1049 980 14.63 2.34 0.75 0.86
10 E 565 528 0.02 2.23 0.75 0.86
10 E 565 528 0.02 2.23 0.75 0.86
11 E 342 320 0.17 3.51 0.75 0.86
11 E 342 320 0.17 3.51 0.75 0.86
12 E 129 120 6.81 4.92 0.75 0.86
12 E 129 120 6.81 4.92 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9253.7 cm-1
Scaled (by 0.9344) Zero Point Vibrational Energy (zpe) 8646.6 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/6-31G**
ABC
0.09425 0.09425 0.04970

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G**

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.520
H2 0.000 0.000 1.614
C3 0.000 1.400 0.064
C4 1.212 -0.700 0.064
C5 -1.212 -0.700 0.064
N6 0.000 2.529 -0.280
N7 2.190 -1.264 -0.280
N8 -2.190 -1.264 -0.280

Atom - Atom Distances (Å)
  C1 H2 C3 C4 C5 N6 N7 N8
C11.09451.47241.47241.47242.65222.65222.6522
H21.09452.08912.08912.08913.15953.15953.1595
C31.47242.08912.42482.42481.17993.46593.4659
C41.47242.08912.42482.42483.46591.17993.4659
C51.47242.08912.42482.42483.46593.46591.1799
N62.65223.15951.17993.46593.46594.37994.3799
N72.65223.15953.46591.17993.46594.37994.3799
N82.65223.15953.46593.46591.17994.37994.3799

picture of tricyanomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 N6 178.878 C1 C4 N7 178.878
C1 C5 N8 178.878 H2 C1 C3 108.048
H2 C1 C4 108.048 H2 C1 C5 108.048
C3 C1 C4 110.856 C3 C1 C5 110.856
C4 C1 C5 110.856
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability