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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-315.348621
Energy at 298.15K 
HF Energy-315.348621
Nuclear repulsion energy214.586734
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 3235 2920 10.09 77.38 0.18 0.30
2 A1 2649 2391 0.11 93.17 0.06 0.12
3 A1 923 833 7.79 7.35 0.17 0.30
4 A1 619 558 1.69 3.08 0.01 0.02
5 A1 189 171 29.00 3.07 0.70 0.83
6 A2 405 366 0.00 0.00 0.75 0.86
7 E 2645 2388 0.33 29.58 0.75 0.86
7 E 2645 2388 0.33 29.58 0.75 0.86
8 E 1424 1285 6.20 3.19 0.75 0.86
8 E 1424 1285 6.20 3.19 0.75 0.86
9 E 1115 1006 35.07 3.38 0.75 0.86
9 E 1115 1006 35.07 3.38 0.75 0.86
10 E 638 576 0.67 4.32 0.75 0.86
10 E 638 576 0.67 4.32 0.75 0.86
11 E 406 367 0.76 5.17 0.75 0.86
11 E 406 367 0.76 5.17 0.75 0.86
12 E 149 135 9.30 5.64 0.75 0.86
12 E 149 135 9.30 5.64 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10387.1 cm-1
Scaled (by 0.9026) Zero Point Vibrational Energy (zpe) 9375.4 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
0.09654 0.09654 0.05081

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 0.507
H2 0.000 0.000 1.593
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
C11.08591.47671.47671.47672.60852.60852.6085
H21.08592.08382.08382.08383.10913.10913.1091
C31.47672.08382.43482.43481.13193.43293.4329
C41.47672.08382.43482.43483.43291.13193.4329
C51.47672.08382.43482.43483.43293.43291.1319
N62.60853.10911.13193.43293.43294.31414.3141
N72.60853.10913.43291.13193.43294.31414.3141
N82.60853.10913.43293.43291.13194.31414.3141

picture of tricyanomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 N6 178.715 C1 C4 N7 178.715
C1 C5 N8 178.715 H2 C1 C3 107.839
H2 C1 C4 107.839 H2 C1 C5 107.839
C3 C1 C4 111.053 C3 C1 C5 111.053
C4 C1 C5 111.053
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 -0.162      
2 H 0.292      
3 C 0.342      
4 C 0.342      
5 C 0.342      
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 2.962 2.962
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -50.186 0.000 0.000
y 0.000 -50.186 0.000
z 0.000 0.000 -35.575
Traceless
 xyz
x -7.305 0.000 0.000
y 0.000 -7.305 0.000
z 0.000 0.000 14.611
Polar
3z2-r229.221
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 7.378 0.000 0.000
y 0.000 7.378 0.000
z 0.000 0.000 4.367


<r2> (average value of r2) Å2
<r2> 199.790
(<r2>)1/2 14.135