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

using model chemistry: B3LYP/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 B3LYP/3-21G*
 hartrees
Energy at 0K-315.447083
Energy at 298.15K 
HF Energy-315.447083
Nuclear repulsion energy212.701783
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 B3LYP/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 3039 2924 10.33 83.72 0.19 0.32
2 A1 2375 2285 0.35 65.81 0.06 0.12
3 A1 870 837 9.13 7.36 0.18 0.30
4 A1 600 577 0.10 3.63 0.00 0.01
5 A1 196 188 14.39 2.86 0.71 0.83
6 A2 449 432 0.00 0.00 0.75 0.86
7 E 2366 2276 2.45 23.75 0.75 0.86
7 E 2366 2276 2.45 23.75 0.75 0.86
8 E 1333 1283 0.01 5.60 0.75 0.86
8 E 1333 1283 0.01 5.60 0.75 0.86
9 E 1026 987 23.66 3.14 0.75 0.86
9 E 1026 987 23.65 3.14 0.75 0.86
10 E 636 612 0.05 3.12 0.75 0.86
10 E 636 612 0.05 3.12 0.75 0.86
11 E 448 431 0.02 3.73 0.75 0.86
11 E 448 431 0.02 3.73 0.75 0.86
12 E 158 152 4.92 4.85 0.75 0.86
12 E 158 152 4.92 4.85 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9731.1 cm-1
Scaled (by 0.962) Zero Point Vibrational Energy (zpe) 9361.3 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 B3LYP/3-21G*
ABC
0.09547 0.09547 0.05054

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/3-21G*

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.534
H2 0.000 0.000 1.636
C3 0.000 1.398 0.069
C4 1.211 -0.699 0.069
C5 -1.211 -0.699 0.069
N6 0.000 2.503 -0.290
N7 2.168 -1.252 -0.290
N8 -2.168 -1.252 -0.290

Atom - Atom Distances (Å)
  C1 H2 C3 C4 C5 N6 N7 N8
C11.10241.47311.47311.47312.63512.63512.6351
H21.10242.09982.09982.09983.15823.15823.1582
C31.47312.09982.42142.42141.16203.44213.4421
C41.47312.09982.42142.42143.44211.16203.4421
C51.47312.09982.42142.42143.44213.44211.1620
N62.63513.15821.16203.44213.44214.33564.3356
N72.63513.15823.44211.16203.44214.33564.3356
N82.63513.15823.44213.44211.16204.33564.3356

picture of tricyanomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 N6 179.619 C1 C4 N7 179.619
C1 C5 N8 179.619 H2 C1 C3 108.376
H2 C1 C4 108.376 H2 C1 C5 108.376
C3 C1 C4 110.544 C3 C1 C5 110.544
C4 C1 C5 110.544
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.483      
2 H 0.356      
3 C 0.455      
4 C 0.455      
5 C 0.455      
6 N -0.413      
7 N -0.413      
8 N -0.413      


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 -48.515 0.000 0.000
y 0.000 -48.515 0.000
z 0.000 0.000 -35.400
Traceless
 xyz
x -6.558 0.000 0.000
y 0.000 -6.558 0.000
z 0.000 0.000 13.116
Polar
3z2-r226.232
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 6.973 0.000 0.000
y 0.000 6.973 0.000
z 0.000 0.000 4.030


<r2> (average value of r2) Å2
<r2> 200.564
(<r2>)1/2 14.162