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

using model chemistry: B3LYP/CEP-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 B3LYP/CEP-31G*
 hartrees
Energy at 0K-52.798467
Energy at 298.15K 
HF Energy-52.798467
Nuclear repulsion energy100.736197
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/CEP-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 3067 2961 4.07 92.22 0.13 0.23
2 A1 2372 2291 0.06 131.74 0.05 0.09
3 A1 832 804 11.36 8.95 0.08 0.15
4 A1 555 536 0.02 3.57 0.00 0.00
5 A1 160 155 17.64 3.06 0.71 0.83
6 A2 345 333 0.00 0.00 0.75 0.86
7 E 2366 2285 0.01 31.32 0.75 0.86
7 E 2366 2285 0.01 31.31 0.75 0.86
8 E 1274 1230 5.56 4.27 0.75 0.86
8 E 1274 1230 5.57 4.27 0.75 0.86
9 E 1011 976 26.26 2.36 0.75 0.86
9 E 1011 976 26.27 2.36 0.75 0.86
10 E 555 536 0.32 2.40 0.75 0.86
10 E 555 536 0.32 2.40 0.75 0.86
11 E 342 330 0.00 3.56 0.75 0.86
11 E 342 330 0.00 3.57 0.75 0.86
12 E 128 123 5.91 5.32 0.75 0.86
12 E 128 123 5.91 5.32 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9340.7 cm-1
Scaled (by 0.9657) Zero Point Vibrational Energy (zpe) 9020.3 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/CEP-31G*
ABC
0.09262 0.09262 0.04886

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-31G*

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.528
H2 0.000 0.000 1.632
C3 0.000 1.422 0.063
C4 1.231 -0.711 0.063
C5 -1.231 -0.711 0.063
N6 0.000 2.546 -0.283
N7 2.205 -1.273 -0.283
N8 -2.205 -1.273 -0.283

Atom - Atom Distances (Å)
  C1 H2 C3 C4 C5 N6 N7 N8
C11.10451.49551.49551.49552.67172.67172.6717
H21.10452.11722.11722.11723.18553.18553.1855
C31.49552.11722.46222.46221.17633.49873.4987
C41.49552.11722.46222.46223.49871.17633.4987
C51.49552.11722.46222.46223.49873.49871.1763
N62.67173.18551.17633.49873.49874.40954.4095
N72.67173.18553.49871.17633.49874.40954.4095
N82.67173.18553.49873.49871.17634.40954.4095

picture of tricyanomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 N6 178.997 C1 C4 N7 178.997
C1 C5 N8 178.997 H2 C1 C3 108.095
H2 C1 C4 108.095 H2 C1 C5 108.095
C3 C1 C4 110.812 C3 C1 C5 110.812
C4 C1 C5 110.812
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.107      
2 H 0.252      
3 C -0.556      
4 C -0.556      
5 C -0.556      
6 N 0.436      
7 N 0.436      
8 N 0.436      


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 2.850 2.850
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -49.090 0.000 0.000
y 0.000 -49.090 0.000
z 0.000 0.000 -35.341
Traceless
 xyz
x -6.874 0.000 0.000
y 0.000 -6.874 0.000
z 0.000 0.000 13.749
Polar
3z2-r227.498
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 8.491 0.000 0.000
y 0.000 8.492 0.000
z 0.000 0.000 5.034


<r2> (average value of r2) Å2
<r2> 154.292
(<r2>)1/2 12.421