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

using model chemistry: B2PLYP/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 B2PLYP/6-31G
 hartrees
Energy at 0K-316.700716
Energy at 298.15K 
HF Energy-316.444022
Nuclear repulsion energy210.267378
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 B2PLYP/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 3043 3043 6.45 85.55 0.17 0.29
2 A1 2244 2244 0.35 63.78 0.06 0.12
3 A1 848 848 11.48 8.27 0.15 0.26
4 A1 573 573 0.00 4.37 0.00 0.00
5 A1 165 165 17.60 3.29 0.71 0.83
6 A2 337 337 0.00 0.00 0.75 0.86
7 E 2242 2242 4.92 21.34 0.75 0.86
7 E 2242 2242 4.92 21.34 0.75 0.86
8 E 1337 1337 0.45 5.04 0.75 0.86
8 E 1337 1337 0.45 5.04 0.75 0.86
9 E 1023 1023 25.49 3.85 0.75 0.86
9 E 1023 1023 25.50 3.86 0.75 0.86
10 E 564 564 0.39 3.07 0.75 0.86
10 E 564 564 0.39 3.07 0.75 0.86
11 E 341 341 0.00 5.13 0.75 0.86
11 E 341 341 0.00 5.13 0.75 0.86
12 E 131 131 5.90 6.35 0.75 0.86
12 E 131 131 5.90 6.35 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9241.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9241.9 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 B2PLYP/6-31G
ABC
0.09320 0.09320 0.04904

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31G

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.508
H2 0.000 0.000 1.610
C3 0.000 1.413 0.061
C4 1.223 -0.706 0.061
C5 -1.223 -0.706 0.061
N6 0.000 2.544 -0.274
N7 2.203 -1.272 -0.274
N8 -2.203 -1.272 -0.274

Atom - Atom Distances (Å)
  C1 H2 C3 C4 C5 N6 N7 N8
C11.10181.48171.48171.48172.66202.66202.6620
H21.10182.09642.09642.09643.16633.16633.1663
C31.48172.09642.44662.44661.18043.48933.4893
C41.48172.09642.44662.44663.48931.18043.4893
C51.48172.09642.44662.44663.48933.48931.1804
N62.66203.16631.18043.48933.48934.40684.4068
N72.66203.16633.48931.18043.48934.40684.4068
N82.66203.16633.48933.48931.18044.40684.4068

picture of tricyanomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 N6 178.951 C1 C4 N7 178.951
C1 C5 N8 178.951 H2 C1 C3 107.568
H2 C1 C4 107.568 H2 C1 C5 107.568
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 B2PLYP/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.223      
2 H 0.296      
3 C 0.167      
4 C 0.167      
5 C 0.167      
6 N -0.192      
7 N -0.192      
8 N -0.192      


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 2.782 2.782
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -50.269 0.000 0.000
y 0.000 -50.269 0.000
z 0.000 0.000 -35.759
Traceless
 xyz
x -7.255 0.000 0.000
y 0.000 -7.255 0.000
z 0.000 0.000 14.511
Polar
3z2-r229.021
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 7.581 0.000 0.000
y 0.000 7.582 0.000
z 0.000 0.000 4.307


<r2> (average value of r2) Å2
<r2> 206.021
(<r2>)1/2 14.353