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

using model chemistry: PBEPBE/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 PBEPBE/6-31G**
 hartrees
Energy at 0K-316.822012
Energy at 298.15K 
HF Energy-316.822012
Nuclear repulsion energy211.053338
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/6-31G**
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 2953 2913 9.44 94.66 0.16 0.27
2 A1 2304 2272 0.08 112.53 0.07 0.14
3 A1 816 805 4.42 6.91 0.11 0.20
4 A1 556 548 0.14 3.32 0.00 0.00
5 A1 160 157 18.34 3.05 0.71 0.83
6 A2 344 339 0.00 0.00 0.75 0.86
7 E 2297 2265 1.48 36.32 0.75 0.86
7 E 2297 2265 1.48 36.32 0.75 0.86
8 E 1229 1212 1.79 4.73 0.75 0.86
8 E 1229 1212 1.79 4.73 0.75 0.86
9 E 997 984 14.57 2.16 0.75 0.86
9 E 997 984 14.57 2.16 0.75 0.86
10 E 550 542 0.13 2.43 0.75 0.86
10 E 550 542 0.13 2.43 0.75 0.86
11 E 346 341 0.05 3.98 0.75 0.86
11 E 346 341 0.05 3.98 0.75 0.86
12 E 125 124 5.90 5.60 0.75 0.86
12 E 125 124 5.90 5.60 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9109.6 cm-1
Scaled (by 0.9863) Zero Point Vibrational Energy (zpe) 8984.8 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/6-31G**
ABC
0.09385 0.09385 0.04940

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/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 1.619
C3 0.000 1.411 0.061
C4 1.222 -0.705 0.061
C5 -1.222 -0.705 0.061
N6 0.000 2.533 -0.274
N7 2.194 -1.267 -0.274
N8 -2.194 -1.267 -0.274

Atom - Atom Distances (Å)
  C1 H2 C3 C4 C5 N6 N7 N8
C11.11051.48021.48021.48022.65142.65142.6514
H21.11052.10212.10212.10213.16263.16263.1626
C31.48022.10212.44352.44351.17133.47753.4775
C41.48022.10212.44352.44353.47751.17133.4775
C51.48022.10212.44352.44353.47753.47751.1713
N62.65143.16261.17133.47753.47754.38754.3875
N72.65143.16263.47751.17133.47754.38754.3875
N82.65143.16263.47753.47751.17134.38754.3875

picture of tricyanomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 N6 179.011 C1 C4 N7 179.011
C1 C5 N8 179.011 H2 C1 C3 107.612
H2 C1 C4 107.612 H2 C1 C5 107.612
C3 C1 C4 111.264 C3 C1 C5 111.264
C4 C1 C5 111.264
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.278      
2 H 0.268      
3 C 0.408      
4 C 0.408      
5 C 0.408      
6 N -0.404      
7 N -0.404      
8 N -0.404      


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 2.643 2.643
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -48.118 0.000 0.000
y 0.000 -48.118 0.000
z 0.000 0.000 -35.035
Traceless
 xyz
x -6.541 0.000 0.000
y 0.000 -6.541 0.000
z 0.000 0.000 13.083
Polar
3z2-r226.165
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 8.264 0.000 0.000
y 0.000 8.264 0.000
z 0.000 0.000 4.649


<r2> (average value of r2) Å2
<r2> 203.729
(<r2>)1/2 14.273