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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-316.902996
Energy at 298.15K 
HF Energy-316.568739
Nuclear repulsion energy211.801312
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
4/u)
Dep P Dep U
1 A1 3072 2916 8.21 84.08 0.17 0.29
2 A1 2316 2198 0.37 76.74 0.07 0.13
3 A1 852 809 6.12 7.18 0.12 0.22
4 A1 572 543 0.28 3.04 0.00 0.00
5 A1 166 158 21.06 2.91 0.71 0.83
6 A2 349 331 0.00 0.00 0.75 0.86
7 E 2314 2196 5.52 26.14 0.75 0.86
7 E 2314 2196 5.52 26.14 0.75 0.86
8 E 1319 1252 2.76 4.10 0.75 0.86
8 E 1319 1252 2.76 4.10 0.75 0.86
9 E 1037 984 19.53 2.64 0.75 0.86
9 E 1037 984 19.53 2.64 0.75 0.86
10 E 568 539 0.01 2.70 0.75 0.86
10 E 568 539 0.01 2.70 0.75 0.86
11 E 351 333 0.22 4.04 0.75 0.86
11 E 351 333 0.22 4.04 0.75 0.86
12 E 131 124 6.91 5.42 0.75 0.86
12 E 131 124 6.91 5.42 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9381.2 cm-1
Scaled (by 0.9492) Zero Point Vibrational Energy (zpe) 8904.6 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 B2PLYP/6-31G*
ABC
0.09451 0.09451 0.04979

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 0.513
H2 0.000 0.000 1.612
C3 0.000 1.406 0.061
C4 1.218 -0.703 0.061
C5 -1.218 -0.703 0.061
N6 0.000 2.523 -0.276
N7 2.185 -1.261 -0.276
N8 -2.185 -1.261 -0.276

Atom - Atom Distances (Å)
  C1 H2 C3 C4 C5 N6 N7 N8
C11.09881.47701.47701.47702.64342.64342.6434
H21.09882.09362.09362.09363.15103.15103.1510
C31.47702.09362.43532.43531.16653.46453.4645
C41.47702.09362.43532.43533.46451.16653.4645
C51.47702.09362.43532.43533.46453.46451.1665
N62.64343.15101.16653.46453.46454.36994.3699
N72.64343.15103.46451.16653.46454.36994.3699
N82.64343.15103.46453.46451.16654.36994.3699

picture of tricyanomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 N6 178.930 C1 C4 N7 178.930
C1 C5 N8 178.930 H2 C1 C3 107.836
H2 C1 C4 107.836 H2 C1 C5 107.836
C3 C1 C4 111.056 C3 C1 C5 111.056
C4 C1 C5 111.056
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 -0.281      
2 H 0.302      
3 C 0.363      
4 C 0.363      
5 C 0.363      
6 N -0.370      
7 N -0.370      
8 N -0.370      


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 2.732 2.732
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -48.904 0.000 0.000
y 0.000 -48.904 0.000
z 0.000 0.000 -35.275
Traceless
 xyz
x -6.814 0.000 0.000
y 0.000 -6.814 0.000
z 0.000 0.000 13.629
Polar
3z2-r227.257
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 7.734 0.000 0.000
y 0.000 7.734 0.000
z 0.000 0.000 4.513


<r2> (average value of r2) Å2
<r2> 202.801
(<r2>)1/2 14.241