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

using model chemistry: B3LYP/CEP-121G*

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-121G*
 hartrees
Energy at 0K-52.824618
Energy at 298.15K 
HF Energy-52.824618
Nuclear repulsion energy101.449714
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-121G*
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 3041 2948 5.25 88.61 0.13 0.24
2 A1 2332 2261 0.17 139.72 0.05 0.09
3 A1 829 804 9.89 8.28 0.10 0.19
4 A1 555 538 0.04 4.02 0.00 0.00
5 A1 161 157 19.36 3.02 0.72 0.83
6 A2 343 333 0.00 0.00 0.75 0.86
7 E 2326 2255 1.68 32.43 0.75 0.86
7 E 2326 2255 1.67 32.42 0.75 0.86
8 E 1286 1246 4.66 3.83 0.75 0.86
8 E 1286 1246 4.66 3.84 0.75 0.86
9 E 1003 973 28.02 2.13 0.75 0.86
9 E 1003 973 28.03 2.13 0.75 0.86
10 E 560 543 0.08 2.46 0.75 0.86
10 E 560 543 0.08 2.46 0.75 0.86
11 E 341 331 0.05 3.77 0.75 0.86
11 E 341 331 0.05 3.78 0.75 0.86
12 E 129 125 6.39 5.47 0.75 0.86
12 E 129 125 6.39 5.48 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9275.5 cm-1
Scaled (by 0.9694) Zero Point Vibrational Energy (zpe) 8991.6 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 B3LYP/CEP-121G*
ABC
0.09377 0.09377 0.04940

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-121G*

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.518
H2 0.000 0.000 1.619
C3 0.000 1.418 0.059
C4 1.228 -0.709 0.059
C5 -1.228 -0.709 0.059
N6 0.000 2.530 -0.276
N7 2.191 -1.265 -0.276
N8 -2.191 -1.265 -0.276

Atom - Atom Distances (Å)
  C1 H2 C3 C4 C5 N6 N7 N8
C11.10051.49021.49021.49022.65172.65172.6517
H21.10052.10782.10782.10783.16073.16073.1607
C31.49022.10782.45552.45551.16163.47993.4799
C41.49022.10782.45552.45553.47991.16163.4799
C51.49022.10782.45552.45553.47993.47991.1616
N62.65173.16071.16163.47993.47994.38214.3821
N72.65173.16073.47991.16163.47994.38214.3821
N82.65173.16073.47993.47991.16164.38214.3821

picture of tricyanomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 N6 178.795 C1 C4 N7 178.795
C1 C5 N8 178.795 H2 C1 C3 107.950
H2 C1 C4 107.950 H2 C1 C5 107.950
C3 C1 C4 110.949 C3 C1 C5 110.949
C4 C1 C5 110.949
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-121G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.263      
2 H 0.284      
3 C -0.267      
4 C -0.267      
5 C -0.267      
6 N 0.084      
7 N 0.084      
8 N 0.084      


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 2.818 2.818
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -49.135 0.000 0.000
y 0.000 -49.135 0.000
z 0.000 0.000 -35.406
Traceless
 xyz
x -6.865 0.000 0.000
y 0.000 -6.865 0.000
z 0.000 0.000 13.729
Polar
3z2-r227.459
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 8.529 0.000 0.000
y 0.000 8.530 -0.000
z 0.000 -0.000 5.112


<r2> (average value of r2) Å2
<r2> 152.840
(<r2>)1/2 12.363