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

using model chemistry: HSEh1PBE/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 HSEh1PBE/6-31G
 hartrees
Energy at 0K-316.738272
Energy at 298.15K 
HF Energy-316.738272
Nuclear repulsion energy212.051047
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 HSEh1PBE/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 3039 2907 11.19 89.78 0.15 0.27
2 A1 2371 2268 0.00 90.10 0.07 0.13
3 A1 860 823 9.47 7.82 0.16 0.28
4 A1 590 564 0.00 3.85 0.00 0.00
5 A1 172 165 17.60 3.41 0.71 0.83
6 A2 363 347 0.00 0.00 0.75 0.86
7 E 2367 2264 0.15 29.86 0.75 0.86
7 E 2367 2264 0.15 29.86 0.75 0.86
8 E 1325 1267 0.18 4.89 0.75 0.86
8 E 1325 1267 0.18 4.89 0.75 0.86
9 E 1053 1007 26.29 3.15 0.75 0.86
9 E 1053 1007 26.29 3.14 0.75 0.86
10 E 587 561 0.32 3.73 0.75 0.86
10 E 587 561 0.32 3.73 0.75 0.86
11 E 368 352 0.00 5.35 0.75 0.86
11 E 368 352 0.00 5.35 0.75 0.86
12 E 136 130 5.88 6.36 0.75 0.86
12 E 136 130 5.88 6.35 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9531.6 cm-1
Scaled (by 0.9566) Zero Point Vibrational Energy (zpe) 9117.9 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 HSEh1PBE/6-31G
ABC
0.09475 0.09475 0.04985

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-31G

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.503
H2 0.000 0.000 1.606
C3 0.000 1.403 0.061
C4 1.215 -0.702 0.061
C5 -1.215 -0.702 0.061
N6 0.000 2.522 -0.272
N7 2.184 -1.261 -0.272
N8 -2.184 -1.261 -0.272

Atom - Atom Distances (Å)
  C1 H2 C3 C4 C5 N6 N7 N8
C11.10341.47141.47141.47142.63852.63852.6385
H21.10342.08752.08752.08753.14463.14463.1446
C31.47142.08752.43072.43071.16733.46153.4615
C41.47142.08752.43072.43073.46151.16733.4615
C51.47142.08752.43072.43073.46153.46151.1673
N62.63853.14461.16733.46153.46154.36874.3687
N72.63853.14463.46151.16733.46154.36874.3687
N82.63853.14463.46153.46151.16734.36874.3687

picture of tricyanomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 N6 179.067 C1 C4 N7 179.067
C1 C5 N8 179.067 H2 C1 C3 107.484
H2 C1 C4 107.484 H2 C1 C5 107.484
C3 C1 C4 111.383 C3 C1 C5 111.383
C4 C1 C5 111.383
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.291      
2 H 0.331      
3 C 0.214      
4 C 0.214      
5 C 0.214      
6 N -0.227      
7 N -0.227      
8 N -0.227      


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 2.812 2.812
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -49.650 0.000 0.000
y 0.000 -49.650 0.000
z 0.000 0.000 -35.390
Traceless
 xyz
x -7.130 0.000 0.000
y 0.000 -7.130 0.000
z 0.000 0.000 14.260
Polar
3z2-r228.520
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 7.695 0.000 0.000
y 0.000 7.695 0.000
z 0.000 0.000 4.310


<r2> (average value of r2) Å2
<r2> 202.807
(<r2>)1/2 14.241