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

using model chemistry: B2PLYP/3-21G*

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/3-21G*
 hartrees
Energy at 0K-315.069741
Energy at 298.15K 
HF Energy-314.819073
Nuclear repulsion energy211.857883
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/3-21G*
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 3075 3075 9.69 78.59 0.20 0.33
2 A1 2284 2284 1.06 47.74 0.06 0.12
3 A1 868 868 10.32 7.57 0.17 0.29
4 A1 594 594 0.05 3.95 0.00 0.00
5 A1 195 195 14.45 2.78 0.71 0.83
6 A2 441 441 0.00 0.00 0.75 0.86
7 E 2280 2280 7.80 17.70 0.75 0.86
7 E 2280 2280 7.80 17.70 0.75 0.86
8 E 1350 1350 0.03 5.19 0.75 0.86
8 E 1350 1350 0.03 5.19 0.75 0.86
9 E 1022 1022 21.82 3.70 0.75 0.86
9 E 1022 1022 21.82 3.70 0.75 0.86
10 E 629 629 0.09 2.90 0.75 0.86
10 E 629 629 0.09 2.90 0.75 0.86
11 E 438 438 0.02 3.66 0.75 0.86
11 E 438 438 0.02 3.66 0.75 0.86
12 E 157 157 4.96 4.79 0.75 0.86
12 E 157 157 4.96 4.79 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9604.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9604.1 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/3-21G*
ABC
0.09480 0.09480 0.05018

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/3-21G*

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.537
H2 0.000 0.000 1.637
C3 0.000 1.400 0.070
C4 1.212 -0.700 0.070
C5 -1.212 -0.700 0.070
N6 0.000 2.514 -0.291
N7 2.177 -1.257 -0.291
N8 -2.177 -1.257 -0.291

Atom - Atom Distances (Å)
  C1 H2 C3 C4 C5 N6 N7 N8
C11.09971.47551.47551.47552.64652.64652.6465
H21.09972.10092.10092.10093.16783.16783.1678
C31.47552.10092.42412.42411.17103.45323.4532
C41.47552.10092.42412.42413.45321.17103.4532
C51.47552.10092.42412.42413.45323.45321.1710
N62.64653.16781.17103.45323.45324.35354.3535
N72.64653.16783.45321.17103.45324.35354.3535
N82.64653.16783.45323.45321.17104.35354.3535

picture of tricyanomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 N6 179.503 C1 C4 N7 179.503
C1 C5 N8 179.503 H2 C1 C3 108.459
H2 C1 C4 108.459 H2 C1 C5 108.459
C3 C1 C4 110.465 C3 C1 C5 110.465
C4 C1 C5 110.465
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.481      
2 H 0.356      
3 C 0.437      
4 C 0.437      
5 C 0.437      
6 N -0.395      
7 N -0.395      
8 N -0.395      


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 2.735 2.735
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -48.970 0.000 0.000
y 0.000 -48.970 0.000
z 0.000 0.000 -35.685
Traceless
 xyz
x -6.642 0.000 0.000
y 0.000 -6.642 0.000
z 0.000 0.000 13.285
Polar
3z2-r226.569
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 6.820 0.000 0.000
y 0.000 6.820 0.000
z 0.000 0.000 4.001


<r2> (average value of r2) Å2
<r2> 202.023
(<r2>)1/2 14.213