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

using model chemistry: B3PW91/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at B3PW91/3-21G
 hartrees
Energy at 0K-315.310852
Energy at 298.15K 
HF Energy-315.310852
Nuclear repulsion energy212.949136
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 B3PW91/3-21G
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 3045 2927 13.95      
2 A1 2378 2285 0.31      
3 A1 872 838 8.55      
4 A1 604 581 0.08      
5 A1 195 187 14.43      
6 A2 453 435 0.00      
7 E 2370 2278 1.90      
7 E 2370 2278 1.90      
8 E 1326 1275 0.22      
8 E 1326 1275 0.22      
9 E 1037 997 22.21      
9 E 1037 997 22.21      
10 E 640 615 0.07      
10 E 640 615 0.07      
11 E 451 434 0.04      
11 E 451 434 0.04      
12 E 158 152 4.96      
12 E 158 152 4.96      

Unscaled Zero Point Vibrational Energy (zpe) 9755.1 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 9376.6 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 B3PW91/3-21G
ABC
0.09577 0.09577 0.05072

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/3-21G

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.535
H2 0.000 0.000 1.639
C3 0.000 1.394 0.069
C4 1.207 -0.697 0.069
C5 -1.207 -0.697 0.069
N6 0.000 2.499 -0.291
N7 2.165 -1.250 -0.291
N8 -2.165 -1.250 -0.291

Atom - Atom Distances (Å)
  C1 H2 C3 C4 C5 N6 N7 N8
C11.10401.46951.46951.46952.63242.63242.6324
H21.10402.09922.09922.09923.15783.15783.1578
C31.46952.09922.41402.41401.16293.43563.4356
C41.46952.09922.41402.41403.43561.16293.4356
C51.46952.09922.41402.41403.43563.43561.1629
N62.63243.15781.16293.43563.43564.32924.3292
N72.63243.15783.43561.16293.43564.32924.3292
N82.63243.15783.43563.43561.16294.32924.3292

picture of tricyanomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 N6 179.557 C1 C4 N7 179.557
C1 C5 N8 179.557 H2 C1 C3 108.481
H2 C1 C4 108.481 H2 C1 C5 108.481
C3 C1 C4 110.443 C3 C1 C5 110.443
C4 C1 C5 110.443
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.543      
2 H 0.385      
3 C 0.479      
4 C 0.479      
5 C 0.479      
6 N -0.426      
7 N -0.426      
8 N -0.426      


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 2.787 2.787
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -48.580 0.000 0.000
y 0.000 -48.580 0.000
z 0.000 0.000 -35.383
Traceless
 xyz
x -6.598 0.000 0.000
y 0.000 -6.598 0.000
z 0.000 0.000 13.197
Polar
3z2-r226.394
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 7.010 0.000 0.000
y 0.000 7.010 0.000
z 0.000 0.000 4.050


<r2> (average value of r2) Å2
<r2> 200.020
(<r2>)1/2 14.143