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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-317.052368
Energy at 298.15K 
HF Energy-317.052368
Nuclear repulsion energy212.557676
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 2910 10.38      
2 A1 2402 2298 0.02      
3 A1 849 812 4.86      
4 A1 575 550 0.40      
5 A1 168 160 21.04      
6 A2 360 344 0.00      
7 E 2396 2293 0.68      
7 E 2396 2293 0.68      
8 E 1297 1241 2.30      
8 E 1297 1241 2.30      
9 E 1038 993 19.27      
9 E 1038 993 19.27      
10 E 573 548 0.00      
10 E 573 548 0.00      
11 E 362 346 0.19      
11 E 362 346 0.19      
12 E 131 126 6.84      
12 E 131 126 6.84      

Unscaled Zero Point Vibrational Energy (zpe) 9493.9 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 9082.8 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 0.05007

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 0.507
H2 0.000 0.000 1.609
C3 0.000 1.405 0.059
C4 1.217 -0.702 0.059
C5 -1.217 -0.702 0.059
N6 0.000 2.515 -0.272
N7 2.178 -1.257 -0.272
N8 -2.178 -1.257 -0.272

Atom - Atom Distances (Å)
  C1 H2 C3 C4 C5 N6 N7 N8
C11.10191.47451.47451.47452.63282.63282.6328
H21.10192.09182.09182.09183.14073.14073.1407
C31.47452.09182.43322.43321.15843.45543.4554
C41.47452.09182.43322.43323.45541.15843.4554
C51.47452.09182.43322.43323.45543.45541.1584
N62.63283.14071.15843.45543.45544.35574.3557
N72.63283.14073.45541.15843.45544.35574.3557
N82.63283.14073.45543.45541.15844.35574.3557

picture of tricyanomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 N6 178.939 C1 C4 N7 178.939
C1 C5 N8 178.939 H2 C1 C3 107.689
H2 C1 C4 107.689 H2 C1 C5 107.689
C3 C1 C4 111.193 C3 C1 C5 111.193
C4 C1 C5 111.193
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 -0.330      
2 H 0.323      
3 C 0.424      
4 C 0.424      
5 C 0.424      
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 2.739 2.739
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -48.459 0.000 0.000
y 0.000 -48.459 0.000
z 0.000 0.000 -34.958
Traceless
 xyz
x -6.751 0.000 0.000
y 0.000 -6.751 0.000
z 0.000 0.000 13.502
Polar
3z2-r227.003
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 7.914 0.000 0.000
y 0.000 7.914 0.000
z 0.000 0.000 4.543


<r2> (average value of r2) Å2
<r2> 201.532
(<r2>)1/2 14.196