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

using model chemistry: B3PW91/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at B3PW91/6-31G**
 hartrees
Energy at 0K-317.053702
Energy at 298.15K 
HF Energy-317.053702
Nuclear repulsion energy212.570468
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 B3PW91/6-31G**
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 3041 2914 11.25      
2 A1 2402 2302 0.01      
3 A1 845 810 4.85      
4 A1 575 551 0.38      
5 A1 167 160 21.16      
6 A2 359 344 0.00      
7 E 2396 2297 0.64      
7 E 2396 2297 0.64      
8 E 1282 1229 2.39      
8 E 1282 1229 2.39      
9 E 1036 993 18.86      
9 E 1036 993 18.86      
10 E 573 549 0.00      
10 E 573 549 0.00      
11 E 362 346 0.17      
11 E 362 346 0.17      
12 E 131 126 6.84      
12 E 131 126 6.84      

Unscaled Zero Point Vibrational Energy (zpe) 9473.9 cm-1
Scaled (by 0.9584) Zero Point Vibrational Energy (zpe) 9079.8 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 B3PW91/6-31G**
ABC
0.09510 0.09510 0.05004

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G**

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.504
H2 0.000 0.000 1.606
C3 0.000 1.405 0.058
C4 1.217 -0.702 0.058
C5 -1.217 -0.702 0.058
N6 0.000 2.516 -0.271
N7 2.179 -1.258 -0.271
N8 -2.179 -1.258 -0.271

Atom - Atom Distances (Å)
  C1 H2 C3 C4 C5 N6 N7 N8
C11.10151.47391.47391.47392.63222.63222.6322
H21.10152.08992.08992.08993.13823.13823.1382
C31.47392.08992.43342.43341.15843.45613.4561
C41.47392.08992.43342.43343.45611.15843.4561
C51.47392.08992.43342.43343.45613.45611.1584
N62.63223.13821.15843.45613.45614.35724.3572
N72.63223.13823.45611.15843.45614.35724.3572
N82.63223.13823.45613.45611.15844.35724.3572

picture of tricyanomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 N6 178.894 C1 C4 N7 178.894
C1 C5 N8 178.894 H2 C1 C3 107.603
H2 C1 C4 107.603 H2 C1 C5 107.603
C3 C1 C4 111.273 C3 C1 C5 111.273
C4 C1 C5 111.273
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.265      
2 H 0.286      
3 C 0.415      
4 C 0.415      
5 C 0.415      
6 N -0.422      
7 N -0.422      
8 N -0.422      


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 2.730 2.730
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -48.468 0.000 0.000
y 0.000 -48.468 0.000
z 0.000 0.000 -34.950
Traceless
 xyz
x -6.759 0.000 0.000
y 0.000 -6.759 0.000
z 0.000 0.000 13.518
Polar
3z2-r227.037
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 7.928 0.000 0.000
y 0.000 7.928 0.000
z 0.000 0.000 4.547


<r2> (average value of r2) Å2
<r2> 201.583
(<r2>)1/2 14.198