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

using model chemistry: PBEPBE/STO-3G

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/STO-3G
 hartrees
Energy at 0K-312.771844
Energy at 298.15K 
HF Energy-312.771844
Nuclear repulsion energy205.416436
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/STO-3G
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 3208 2931 20.10 53.18 0.23 0.37
2 A1 2288 2090 4.36 50.43 0.06 0.12
3 A1 838 766 2.44 4.72 0.09 0.17
4 A1 557 509 0.21 3.01 0.01 0.01
5 A1 157 144 10.10 2.01 0.71 0.83
6 A2 346 316 0.00 0.00 0.75 0.86
7 E 2274 2078 47.93 14.46 0.75 0.86
7 E 2274 2078 47.93 14.46 0.75 0.86
8 E 1290 1179 1.14 6.66 0.75 0.86
8 E 1290 1179 1.14 6.66 0.75 0.86
9 E 995 909 10.33 2.15 0.75 0.86
9 E 995 909 10.33 2.15 0.75 0.86
10 E 550 503 0.08 0.77 0.75 0.86
10 E 550 503 0.08 0.77 0.75 0.86
11 E 343 313 0.02 1.97 0.75 0.86
11 E 343 313 0.02 1.97 0.75 0.86
12 E 122 112 3.34 3.48 0.75 0.86
12 E 122 112 3.34 3.48 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9271.6 cm-1
Scaled (by 0.9136) Zero Point Vibrational Energy (zpe) 8470.6 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/STO-3G
ABC
0.08914 0.08914 0.04715

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/STO-3G

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.548
H2 0.000 0.000 1.674
C3 0.000 1.441 0.073
C4 1.248 -0.721 0.073
C5 -1.248 -0.721 0.073
N6 0.000 2.595 -0.299
N7 2.247 -1.297 -0.299
N8 -2.247 -1.297 -0.299

Atom - Atom Distances (Å)
  C1 H2 C3 C4 C5 N6 N7 N8
C11.12581.51721.51721.51722.72922.72922.7292
H21.12582.15382.15382.15383.25913.25913.2591
C31.51722.15382.49592.49591.21193.56163.5616
C41.51722.15382.49592.49593.56161.21193.5616
C51.51722.15382.49592.49593.56163.56161.2119
N62.72923.25911.21193.56163.56164.49404.4940
N72.72923.25913.56161.21193.56164.49404.4940
N82.72923.25913.56163.56161.21194.49404.4940

picture of tricyanomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 N6 179.614 C1 C4 N7 179.614
C1 C5 N8 179.614 H2 C1 C3 108.240
H2 C1 C4 108.240 H2 C1 C5 108.240
C3 C1 C4 110.674 C3 C1 C5 110.674
C4 C1 C5 110.674
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.062      
2 H 0.171      
3 C 0.087      
4 C 0.087      
5 C 0.087      
6 N -0.123      
7 N -0.123      
8 N -0.123      


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 2.256 2.256
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -44.267 0.000 0.000
y 0.000 -44.267 0.000
z 0.000 0.000 -33.010
Traceless
 xyz
x -5.629 0.000 0.000
y 0.000 -5.629 0.000
z 0.000 0.000 11.258
Polar
3z2-r222.515
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 5.193 0.000 0.000
y 0.000 5.193 0.000
z 0.000 0.000 2.494


<r2> (average value of r2) Å2
<r2> 210.622
(<r2>)1/2 14.513