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

using model chemistry: HF/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 HF/6-31G*
 hartrees
Energy at 0K-315.346966
Energy at 298.15K 
HF Energy-315.346966
Nuclear repulsion energy214.572909
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 HF/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 3249 2919 9.88 77.21 0.18 0.31
2 A1 2649 2380 0.10 92.98 0.06 0.12
3 A1 926 832 7.77 7.48 0.18 0.30
4 A1 619 556 1.71 3.07 0.01 0.02
5 A1 189 170 28.89 3.06 0.70 0.83
6 A2 405 364 0.00 0.00 0.75 0.86
7 E 2646 2377 0.30 29.46 0.75 0.86
7 E 2646 2377 0.30 29.46 0.75 0.86
8 E 1436 1290 6.36 3.20 0.75 0.86
8 E 1436 1290 6.36 3.20 0.75 0.86
9 E 1116 1003 35.51 3.50 0.75 0.86
9 E 1116 1003 35.51 3.50 0.75 0.86
10 E 639 574 0.66 4.31 0.75 0.86
10 E 639 574 0.66 4.31 0.75 0.86
11 E 406 365 0.80 5.17 0.75 0.86
11 E 406 365 0.80 5.17 0.75 0.86
12 E 149 134 9.29 5.64 0.75 0.86
12 E 149 134 9.29 5.64 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10409.9 cm-1
Scaled (by 0.8985) Zero Point Vibrational Energy (zpe) 9353.3 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 HF/6-31G*
ABC
0.09653 0.09653 0.05082

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.508
H2 0.000 0.000 1.594
C3 0.000 1.406 0.055
C4 1.217 -0.703 0.055
C5 -1.217 -0.703 0.055
N6 0.000 2.491 -0.268
N7 2.157 -1.245 -0.268
N8 -2.157 -1.245 -0.268

Atom - Atom Distances (Å)
  C1 H2 C3 C4 C5 N6 N7 N8
C11.08551.47711.47711.47712.60882.60882.6088
H21.08552.08422.08422.08423.10973.10973.1097
C31.47712.08422.43502.43501.13193.43293.4329
C41.47712.08422.43502.43503.43291.13193.4329
C51.47712.08422.43502.43503.43293.43291.1319
N62.60883.10971.13193.43293.43294.31384.3138
N72.60883.10973.43291.13193.43294.31384.3138
N82.60883.10973.43293.43291.13194.31384.3138

picture of tricyanomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 N6 178.735 C1 C4 N7 178.735
C1 C5 N8 178.735 H2 C1 C3 107.867
H2 C1 C4 107.867 H2 C1 C5 107.867
C3 C1 C4 111.027 C3 C1 C5 111.027
C4 C1 C5 111.027
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.227      
2 H 0.339      
3 C 0.348      
4 C 0.348      
5 C 0.348      
6 N -0.385      
7 N -0.385      
8 N -0.385      


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 2.958 2.958
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -50.176 0.000 0.000
y 0.000 -50.176 0.000
z 0.000 0.000 -35.604
Traceless
 xyz
x -7.286 0.000 0.000
y 0.000 -7.286 0.000
z 0.000 0.000 14.572
Polar
3z2-r229.143
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 7.365 0.000 0.000
y 0.000 7.365 0.000
z 0.000 0.000 4.360


<r2> (average value of r2) Å2
<r2> 199.797
(<r2>)1/2 14.135