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

using model chemistry: TPSSh/6-31G(2df,p)

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(2df,p)
 hartrees
Energy at 0K-317.220258
Energy at 298.15K 
HF Energy-317.220258
Nuclear repulsion energy212.547466
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(2df,p)
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 3031 2925 7.94 84.62 0.15 0.26
2 A1 2361 2278 0.09 119.23 0.06 0.11
3 A1 836 807 4.97 6.86 0.09 0.17
4 A1 570 550 0.45 3.89 0.00 0.00
5 A1 167 161 21.75 2.39 0.70 0.83
6 A2 361 349 0.00 0.00 0.75 0.86
7 E 2353 2271 1.04 32.29 0.75 0.86
7 E 2353 2271 1.04 32.29 0.75 0.86
8 E 1271 1227 3.39 3.41 0.75 0.86
8 E 1271 1227 3.39 3.41 0.75 0.86
9 E 1016 980 17.54 1.87 0.75 0.86
9 E 1016 980 17.54 1.87 0.75 0.86
10 E 572 552 0.00 1.82 0.75 0.86
10 E 572 552 0.00 1.82 0.75 0.86
11 E 361 349 0.25 2.79 0.75 0.86
11 E 361 349 0.25 2.79 0.75 0.86
12 E 131 126 6.87 4.40 0.75 0.86
12 E 131 126 6.87 4.40 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9366.9 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 9039.0 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(2df,p)
ABC
0.09507 0.09507 0.05005

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/6-31G(2df,p)

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 1.608
C3 0.000 1.406 0.059
C4 1.217 -0.703 0.059
C5 -1.217 -0.703 0.059
N6 0.000 2.515 -0.272
N7 2.178 -1.257 -0.272
N8 -2.178 -1.257 -0.272

Atom - Atom Distances (Å)
  C1 H2 C3 C4 C5 N6 N7 N8
C11.09951.47611.47611.47612.63332.63332.6333
H21.09952.09242.09242.09243.14023.14023.1402
C31.47612.09242.43482.43481.15733.45613.4561
C41.47612.09242.43482.43483.45611.15733.4561
C51.47612.09242.43482.43483.45613.45611.1573
N62.63333.14021.15733.45613.45614.35574.3557
N72.63333.14023.45611.15733.45614.35574.3557
N82.63333.14023.45613.45611.15734.35574.3557

picture of tricyanomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 N6 178.839 C1 C4 N7 178.839
C1 C5 N8 178.839 H2 C1 C3 107.765
H2 C1 C4 107.765 H2 C1 C5 107.765
C3 C1 C4 111.122 C3 C1 C5 111.122
C4 C1 C5 111.122
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.461      
2 H 0.255      
3 C 0.373      
4 C 0.373      
5 C 0.373      
6 N -0.304      
7 N -0.304      
8 N -0.304      


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 2.689 2.689
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 8.410 0.000 0.000
y 0.000 8.410 0.000
z 0.000 0.000 5.088


<r2> (average value of r2) Å2
<r2> 201.472
(<r2>)1/2 14.194