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

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

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at B3PW91/6-31+G**
 hartrees
Energy at 0K-317.063167
Energy at 298.15K 
HF Energy-317.063167
Nuclear repulsion energy212.470283
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 B3PW91/6-31+G**
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 3040 2918 13.88      
2 A1 2395 2300 0.04      
3 A1 840 806 6.29      
4 A1 571 548 0.18      
5 A1 167 160 22.25      
6 A2 355 341 0.00      
7 E 2389 2294 0.46      
7 E 2389 2294 0.46      
8 E 1281 1230 3.30      
8 E 1281 1230 3.31      
9 E 1035 994 20.58      
9 E 1035 994 20.58      
10 E 571 548 0.06      
10 E 571 548 0.06      
11 E 357 342 0.07      
11 E 357 342 0.07      
12 E 131 126 6.97      
12 E 131 126 6.97      

Unscaled Zero Point Vibrational Energy (zpe) 9447.0 cm-1
Scaled (by 0.9601) Zero Point Vibrational Energy (zpe) 9070.1 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 B3PW91/6-31+G**
ABC
0.09496 0.09496 0.04990

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.498
H2 0.000 0.000 1.600
C3 0.000 1.406 0.055
C4 1.218 -0.703 0.055
C5 -1.218 -0.703 0.055
N6 0.000 2.519 -0.266
N7 2.182 -1.260 -0.266
N8 -2.182 -1.260 -0.266

Atom - Atom Distances (Å)
  C1 H2 C3 C4 C5 N6 N7 N8
C11.10171.47441.47441.47442.63262.63262.6326
H21.10172.08912.08912.08913.13483.13483.1348
C31.47442.08912.43562.43561.15843.45983.4598
C41.47442.08912.43562.43563.45981.15843.4598
C51.47442.08912.43562.43563.45983.45981.1584
N62.63263.13481.15843.45983.45984.36374.3637
N72.63263.13483.45981.15843.45984.36374.3637
N82.63263.13483.45983.45981.15844.36374.3637

picture of tricyanomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 N6 178.560 C1 C4 N7 178.560
C1 C5 N8 178.560 H2 C1 C3 107.497
H2 C1 C4 107.497 H2 C1 C5 107.497
C3 C1 C4 111.371 C3 C1 C5 111.371
C4 C1 C5 111.371
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.307      
2 H 0.298      
3 C 0.175      
4 C 0.175      
5 C 0.175      
6 N -0.376      
7 N -0.376      
8 N -0.376      


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 2.773 2.773
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -49.805 0.000 0.000
y 0.000 -49.805 0.000
z 0.000 0.000 -35.734
Traceless
 xyz
x -7.035 0.000 0.000
y 0.000 -7.035 0.000
z 0.000 0.000 14.071
Polar
3z2-r228.142
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 9.028 0.000 0.000
y 0.000 9.028 0.000
z 0.000 0.000 5.502


<r2> (average value of r2) Å2
<r2> 202.647
(<r2>)1/2 14.235