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

using model chemistry: PBE1PBE/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at PBE1PBE/6-311G*
 hartrees
Energy at 0K-316.890806
Energy at 298.15K 
HF Energy-316.890806
Nuclear repulsion energy213.767718
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 PBE1PBE/6-311G*
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 3053 2927 10.23 82.50 0.13 0.24
2 A1 2416 2315 0.02 116.93 0.06 0.11
3 A1 851 816 5.46 6.45 0.12 0.21
4 A1 583 559 0.28 3.24 0.00 0.01
5 A1 170 163 21.35 2.82 0.71 0.83
6 A2 370 355 0.00 0.00 0.75 0.86
7 E 2411 2311 0.60 33.83 0.75 0.86
7 E 2411 2311 0.60 33.83 0.75 0.86
8 E 1301 1247 2.15 3.06 0.75 0.86
8 E 1301 1247 2.15 3.06 0.75 0.86
9 E 1051 1008 18.80 1.79 0.75 0.86
9 E 1051 1008 18.80 1.79 0.75 0.86
10 E 588 564 0.00 2.89 0.75 0.86
10 E 588 564 0.00 2.89 0.75 0.86
11 E 368 353 0.14 3.90 0.75 0.86
11 E 368 353 0.14 3.90 0.75 0.86
12 E 134 129 7.00 5.17 0.75 0.86
12 E 134 129 7.00 5.17 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9575.3 cm-1
Scaled (by 0.9585) Zero Point Vibrational Energy (zpe) 9177.9 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 PBE1PBE/6-311G*
ABC
0.09612 0.09612 0.05057

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-311G*

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 1.600
C3 0.000 1.399 0.057
C4 1.212 -0.700 0.057
C5 -1.212 -0.700 0.057
N6 0.000 2.502 -0.268
N7 2.166 -1.251 -0.268
N8 -2.166 -1.251 -0.268

Atom - Atom Distances (Å)
  C1 H2 C3 C4 C5 N6 N7 N8
C11.09951.46771.46771.46772.61702.61702.6170
H21.09952.08272.08272.08273.12223.12223.1222
C31.46772.08272.42362.42361.14943.43833.4383
C41.46772.08272.42362.42363.43831.14943.4383
C51.46772.08272.42362.42363.43833.43831.1494
N62.61703.12221.14943.43833.43834.33284.3328
N72.61703.12223.43831.14943.43834.33284.3328
N82.61703.12223.43833.43831.14944.33284.3328

picture of tricyanomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 N6 178.895 C1 C4 N7 178.895
C1 C5 N8 178.895 H2 C1 C3 107.569
H2 C1 C4 107.569 H2 C1 C5 107.569
C3 C1 C4 111.305 C3 C1 C5 111.305
C4 C1 C5 111.305
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.401      
2 H 0.363      
3 C 0.229      
4 C 0.229      
5 C 0.229      
6 N -0.216      
7 N -0.216      
8 N -0.216      


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 2.751 2.751
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -49.082 0.000 0.000
y 0.000 -49.082 0.000
z 0.000 0.000 -35.447
Traceless
 xyz
x -6.817 0.000 0.000
y 0.000 -6.817 0.000
z 0.000 0.000 13.634
Polar
3z2-r227.268
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 8.092 0.000 0.000
y 0.000 8.092 0.000
z 0.000 0.000 4.803


<r2> (average value of r2) Å2
<r2> 200.104
(<r2>)1/2 14.146