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

using model chemistry: PBEPBE/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at PBEPBE/6-311+G(3df,2p)
 hartrees
Energy at 0K-316.925010
Energy at 298.15K 
HF Energy-316.925010
Nuclear repulsion energy212.265359
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 PBEPBE/6-311+G(3df,2p)
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 2930 2906 12.52 90.78 0.09 0.17
2 A1 2294 2275 0.20 186.81 0.04 0.08
3 A1 811 805 4.15 7.24 0.06 0.11
4 A1 556 552 0.24 5.78 0.00 0.01
5 A1 160 159 21.88 2.02 0.67 0.80
6 A2 344 341 0.00 0.00 0.75 0.86
7 E 2286 2268 1.40 34.80 0.75 0.86
7 E 2286 2268 1.40 34.77 0.75 0.86
8 E 1226 1216 2.26 2.83 0.75 0.86
8 E 1226 1216 2.26 2.84 0.75 0.86
9 E 995 987 12.81 0.99 0.75 0.86
9 E 995 987 12.81 0.99 0.75 0.86
10 E 555 550 0.02 1.22 0.75 0.86
10 E 555 550 0.02 1.24 0.75 0.86
11 E 342 340 0.11 2.07 0.75 0.86
11 E 342 340 0.11 2.08 0.75 0.86
12 E 127 126 6.68 3.96 0.75 0.86
12 E 127 126 6.68 3.99 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9079.2 cm-1
Scaled (by 0.9918) Zero Point Vibrational Energy (zpe) 9004.8 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 PBEPBE/6-311+G(3df,2p)
ABC
0.09482 0.09482 0.04985

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-311+G(3df,2p)

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.500
H2 0.000 0.000 1.607
C3 0.000 1.407 0.057
C4 1.218 -0.703 0.057
C5 -1.218 -0.703 0.057
N6 0.000 2.521 -0.268
N7 2.183 -1.260 -0.268
N8 -2.183 -1.260 -0.268

Atom - Atom Distances (Å)
  C1 H2 C3 C4 C5 N6 N7 N8
C11.10761.47481.47481.47482.63502.63502.6350
H21.10762.09372.09372.09373.14183.14183.1418
C31.47482.09372.43652.43651.16033.46183.4618
C41.47482.09372.43652.43653.46181.16033.4618
C51.47482.09372.43652.43653.46183.46181.1603
N62.63503.14181.16033.46183.46184.36604.3660
N72.63503.14183.46181.16033.46184.36604.3660
N82.63503.14183.46183.46181.16034.36604.3660

picture of tricyanomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 N6 178.761 C1 C4 N7 178.761
C1 C5 N8 178.761 H2 C1 C3 107.484
H2 C1 C4 107.484 H2 C1 C5 107.484
C3 C1 C4 111.384 C3 C1 C5 111.384
C4 C1 C5 111.384
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.152      
2 H 0.197      
3 C 0.870      
4 C 0.870      
5 C 0.870      
6 N -0.987      
7 N -0.987      
8 N -0.987      


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 2.704 2.704
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -49.725 0.000 0.000
y 0.000 -49.725 0.000
z 0.000 0.000 -35.914
Traceless
 xyz
x -6.905 0.000 0.000
y 0.000 -6.905 0.000
z 0.000 0.000 13.811
Polar
3z2-r227.621
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.910 0.000 0.000
y 0.000 9.910 0.000
z 0.000 0.000 6.403


<r2> (average value of r2) Å2
<r2> 202.882
(<r2>)1/2 14.244