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

using model chemistry: TPSSh/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 TPSSh/6-31G**
 hartrees
Energy at 0K-317.201455
Energy at 298.15K 
HF Energy-317.201455
Nuclear repulsion energy211.943632
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 TPSSh/6-31G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 3037 2912 8.29 91.88 0.16 0.28
2 A1 2366 2268 0.07 105.08 0.07 0.13
3 A1 838 803 6.40 7.19 0.12 0.22
4 A1 567 544 0.20 3.26 0.00 0.00
5 A1 164 157 20.24 3.06 0.71 0.83
6 A2 353 339 0.00 0.00 0.75 0.86
7 E 2359 2262 1.04 33.98 0.75 0.86
7 E 2359 2262 1.05 33.98 0.75 0.86
8 E 1280 1227 2.92 4.19 0.75 0.86
8 E 1280 1227 2.93 4.19 0.75 0.86
9 E 1018 976 20.23 2.41 0.75 0.86
9 E 1018 976 20.22 2.41 0.75 0.86
10 E 565 542 0.05 2.83 0.75 0.86
10 E 565 542 0.05 2.83 0.75 0.86
11 E 354 340 0.11 4.21 0.75 0.86
11 E 354 340 0.11 4.21 0.75 0.86
12 E 129 123 6.51 5.63 0.75 0.86
12 E 129 123 6.51 5.63 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9367.5 cm-1
Scaled (by 0.9587) Zero Point Vibrational Energy (zpe) 8980.6 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 TPSSh/6-31G**
ABC
0.09457 0.09457 0.04980

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.511
H2 0.000 0.000 1.612
C3 0.000 1.408 0.060
C4 1.220 -0.704 0.060
C5 -1.220 -0.704 0.060
N6 0.000 2.522 -0.274
N7 2.184 -1.261 -0.274
N8 -2.184 -1.261 -0.274

Atom - Atom Distances (Å)
  C1 H2 C3 C4 C5 N6 N7 N8
C11.10031.47871.47871.47872.64112.64112.6411
H21.10032.09532.09532.09533.14883.14883.1488
C31.47872.09532.43902.43901.16253.46463.4646
C41.47872.09532.43902.43903.46461.16253.4646
C51.47872.09532.43902.43903.46463.46461.1625
N62.64113.14881.16253.46463.46464.36744.3674
N72.64113.14883.46461.16253.46464.36744.3674
N82.64113.14883.46463.46461.16254.36744.3674

picture of tricyanomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 N6 178.945 C1 C4 N7 178.945
C1 C5 N8 178.945 H2 C1 C3 107.771
H2 C1 C4 107.771 H2 C1 C5 107.771
C3 C1 C4 111.116 C3 C1 C5 111.116
C4 C1 C5 111.116
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.240      
2 H 0.276      
3 C 0.415      
4 C 0.415      
5 C 0.415      
6 N -0.427      
7 N -0.427      
8 N -0.427      


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 2.718 2.718
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.066 0.000 0.000
y 0.000 8.066 0.000
z 0.000 0.000 4.589


<r2> (average value of r2) Å2
<r2> 202.473
(<r2>)1/2 14.229