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

using model chemistry: B2PLYP/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 B2PLYP/6-31G(2df,p)
 hartrees
Energy at 0K-316.967427
Energy at 298.15K 
HF Energy-316.589513
Nuclear repulsion energy212.579841
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 B2PLYP/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 3066 2928 9.07 78.95 0.15 0.26
2 A1 2314 2210 0.34 90.76 0.06 0.11
3 A1 844 806 4.55 6.87 0.09 0.17
4 A1 573 548 0.59 3.57 0.00 0.00
5 A1 169 162 22.95 2.29 0.70 0.82
6 A2 359 343 0.00 0.00 0.75 0.86
7 E 2311 2207 4.83 25.75 0.75 0.86
7 E 2311 2207 4.84 25.75 0.75 0.86
8 E 1293 1235 3.08 3.20 0.75 0.86
8 E 1293 1235 3.08 3.20 0.75 0.86
9 E 1031 984 16.35 2.01 0.75 0.86
9 E 1031 984 16.36 2.01 0.75 0.86
10 E 574 548 0.03 1.85 0.75 0.86
10 E 574 548 0.03 1.85 0.75 0.86
11 E 360 343 0.42 2.72 0.75 0.86
11 E 360 343 0.42 2.73 0.75 0.86
12 E 133 127 7.37 4.25 0.75 0.86
12 E 133 127 7.37 4.25 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9364.5 cm-1
Scaled (by 0.955) Zero Point Vibrational Energy (zpe) 8943.1 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 B2PLYP/6-31G(2df,p)
ABC
0.09517 0.09517 0.05012

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31G(2df,p)

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.510
H2 0.000 0.000 1.607
C3 0.000 1.402 0.059
C4 1.214 -0.701 0.059
C5 -1.214 -0.701 0.059
N6 0.000 2.514 -0.273
N7 2.177 -1.257 -0.273
N8 -2.177 -1.257 -0.273

Atom - Atom Distances (Å)
  C1 H2 C3 C4 C5 N6 N7 N8
C11.09721.47291.47291.47292.63332.63332.6333
H21.09722.08862.08862.08863.13963.13963.1396
C31.47292.08862.42882.42881.16063.45313.4531
C41.47292.08862.42882.42883.45311.16063.4531
C51.47292.08862.42882.42883.45313.45311.1606
N62.63333.13961.16063.45313.45314.35474.3547
N72.63333.13963.45311.16063.45314.35474.3547
N82.63333.13963.45313.45311.16064.35474.3547

picture of tricyanomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 N6 178.837 C1 C4 N7 178.837
C1 C5 N8 178.837 H2 C1 C3 107.815
H2 C1 C4 107.815 H2 C1 C5 107.815
C3 C1 C4 111.076 C3 C1 C5 111.076
C4 C1 C5 111.076
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.410      
2 H 0.244      
3 C 0.277      
4 C 0.277      
5 C 0.277      
6 N -0.222      
7 N -0.222      
8 N -0.222      


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 2.714 2.714
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -48.748 0.000 0.000
y 0.000 -48.748 0.000
z 0.000 0.000 -35.119
Traceless
 xyz
x -6.814 0.000 0.000
y 0.000 -6.814 0.000
z 0.000 0.000 13.629
Polar
3z2-r227.258
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 8.107 0.000 0.000
y 0.000 8.107 0.000
z 0.000 0.000 5.008


<r2> (average value of r2) Å2
<r2> 201.519
(<r2>)1/2 14.196