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

using model chemistry: TPSSh/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 TPSSh/6-31G
 hartrees
Energy at 0K-317.101030
Energy at 298.15K 
HF Energy-317.101030
Nuclear repulsion energy210.927323
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 TPSSh/6-31G
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 3025 2911 7.59 93.07 0.16 0.28
2 A1 2313 2225 0.04 92.08 0.07 0.13
3 A1 844 812 11.76 8.45 0.15 0.27
4 A1 575 553 0.02 4.46 0.00 0.00
5 A1 168 161 16.39 3.50 0.71 0.83
6 A2 351 338 0.00 0.00 0.75 0.86
7 E 2306 2218 0.54 29.78 0.75 0.86
7 E 2306 2218 0.55 29.79 0.75 0.86
8 E 1314 1264 0.43 5.11 0.75 0.86
8 E 1314 1264 0.43 5.11 0.75 0.86
9 E 1017 979 27.12 3.46 0.75 0.86
9 E 1017 979 27.12 3.47 0.75 0.86
10 E 571 550 0.65 3.36 0.75 0.86
10 E 571 550 0.65 3.36 0.75 0.86
11 E 356 342 0.03 5.22 0.75 0.86
11 E 356 342 0.03 5.22 0.75 0.86
12 E 132 127 5.47 6.56 0.75 0.86
12 E 132 127 5.47 6.56 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9332.6 cm-1
Scaled (by 0.9621) Zero Point Vibrational Energy (zpe) 8978.9 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 TPSSh/6-31G
ABC
0.09375 0.09375 0.04934

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.509
H2 0.000 0.000 1.611
C3 0.000 1.411 0.061
C4 1.222 -0.705 0.061
C5 -1.222 -0.705 0.061
N6 0.000 2.535 -0.275
N7 2.196 -1.268 -0.275
N8 -2.196 -1.268 -0.275

Atom - Atom Distances (Å)
  C1 H2 C3 C4 C5 N6 N7 N8
C11.10221.48001.48001.48002.65362.65362.6536
H21.10222.09572.09572.09573.15983.15983.1598
C31.48002.09572.44332.44331.17373.47943.4794
C41.48002.09572.44332.44333.47941.17373.4794
C51.48002.09572.44332.44333.47943.47941.1737
N62.65363.15981.17373.47943.47944.39114.3911
N72.65363.15983.47941.17373.47944.39114.3911
N82.65363.15983.47943.47941.17374.39114.3911

picture of tricyanomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 N6 179.035 C1 C4 N7 179.035
C1 C5 N8 179.035 H2 C1 C3 107.607
H2 C1 C4 107.607 H2 C1 C5 107.607
C3 C1 C4 111.270 C3 C1 C5 111.270
C4 C1 C5 111.270
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.265      
2 H 0.316      
3 C 0.230      
4 C 0.230      
5 C 0.230      
6 N -0.247      
7 N -0.247      
8 N -0.247      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 2.773 2.773
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.906 0.000 0.000
y 0.000 7.906 0.000
z 0.000 0.000 4.364


<r2> (average value of r2) Å2
<r2> 204.550
(<r2>)1/2 14.302