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

using model chemistry: PBEPBE/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at PBEPBE/Def2TZVPP
 hartrees
Energy at 0K-316.939284
Energy at 298.15K 
HF Energy-316.939284
Nuclear repulsion energy212.198391
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 PBEPBE/Def2TZVPP
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 2936 2901 11.87 93.70 0.11 0.19
2 A1 2295 2267 0.17 160.05 0.05 0.10
3 A1 814 804 4.49 6.55 0.08 0.15
4 A1 558 552 0.19 4.85 0.00 0.00
5 A1 161 159 20.91 2.46 0.70 0.82
6 A2 348 343 0.00 0.00 0.75 0.86
7 E 2287 2260 1.65 36.27 0.75 0.86
7 E 2287 2260 1.65 36.28 0.75 0.86
8 E 1230 1215 2.09 3.05 0.75 0.86
8 E 1230 1215 2.09 3.05 0.75 0.86
9 E 998 986 13.18 1.20 0.75 0.86
9 E 998 986 13.18 1.20 0.75 0.86
10 E 558 551 0.04 1.57 0.75 0.86
10 E 558 551 0.04 1.58 0.75 0.86
11 E 346 342 0.08 2.52 0.75 0.86
11 E 346 342 0.08 2.51 0.75 0.86
12 E 127 126 6.50 4.58 0.75 0.86
12 E 127 126 6.50 4.58 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9100.5 cm-1
Scaled (by 0.9879) Zero Point Vibrational Energy (zpe) 8990.4 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 PBEPBE/Def2TZVPP
ABC
0.09475 0.09475 0.04982

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/Def2TZVPP

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.500
H2 0.000 0.000 1.607
C3 0.000 1.407 0.057
C4 1.219 -0.704 0.057
C5 -1.219 -0.704 0.057
N6 0.000 2.521 -0.268
N7 2.184 -1.261 -0.268
N8 -2.184 -1.261 -0.268

Atom - Atom Distances (Å)
  C1 H2 C3 C4 C5 N6 N7 N8
C11.10751.47531.47531.47532.63582.63582.6358
H21.10752.09352.09352.09353.14253.14253.1425
C31.47532.09352.43772.43771.16073.46313.4631
C41.47532.09352.43772.43773.46311.16073.4631
C51.47532.09352.43772.43773.46313.46311.1607
N62.63583.14251.16073.46313.46314.36734.3673
N72.63583.14253.46311.16073.46314.36734.3673
N82.63583.14253.46313.46311.16074.36734.3673

picture of tricyanomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 N6 178.853 C1 C4 N7 178.853
C1 C5 N8 178.853 H2 C1 C3 107.445
H2 C1 C4 107.445 H2 C1 C5 107.445
C3 C1 C4 111.419 C3 C1 C5 111.419
C4 C1 C5 111.419
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.403      
2 H 0.146      
3 C -0.284      
4 C -0.284      
5 C -0.284      
6 N 0.101      
7 N 0.101      
8 N 0.101      


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 2.695 2.695
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -49.464 0.000 0.000
y 0.000 -49.464 0.000
z 0.000 0.000 -35.799
Traceless
 xyz
x -6.832 0.000 0.000
y 0.000 -6.832 0.000
z 0.000 0.000 13.664
Polar
3z2-r227.328
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 9.384 0.000 0.000
y 0.000 9.384 0.000
z 0.000 0.000 5.807


<r2> (average value of r2) Å2
<r2> 202.866
(<r2>)1/2 14.243