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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-52.710672
Energy at 298.15K 
HF Energy-52.710672
Nuclear repulsion energy100.577753
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 3014 2937 3.84 92.56 0.12 0.22
2 A1 2265 2207 0.18 133.89 0.04 0.08
3 A1 835 814 14.66 10.44 0.13 0.23
4 A1 558 543 0.03 5.76 0.00 0.00
5 A1 167 163 16.52 3.47 0.71 0.83
6 A2 355 346 0.00 0.00 0.75 0.86
7 E 2262 2204 1.49 29.16 0.75 0.86
7 E 2262 2204 1.48 29.16 0.75 0.86
8 E 1303 1270 1.15 5.23 0.75 0.86
8 E 1303 1270 1.15 5.23 0.75 0.86
9 E 1009 983 36.30 3.70 0.75 0.86
9 E 1009 983 36.32 3.70 0.75 0.86
10 E 564 550 0.44 3.13 0.75 0.86
10 E 564 550 0.44 3.13 0.75 0.86
11 E 352 343 0.05 4.94 0.75 0.86
11 E 352 343 0.05 4.94 0.75 0.86
12 E 132 129 5.68 6.34 0.75 0.86
12 E 132 129 5.68 6.34 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9218.1 cm-1
Scaled (by 0.9745) Zero Point Vibrational Energy (zpe) 8983.1 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 B3LYP/CEP-121G
ABC
0.09228 0.09228 0.04857

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 0.516
H2 0.000 0.000 1.617
C3 0.000 1.424 0.061
C4 1.233 -0.712 0.061
C5 -1.233 -0.712 0.061
N6 0.000 2.554 -0.277
N7 2.212 -1.277 -0.277
N8 -2.212 -1.277 -0.277

Atom - Atom Distances (Å)
  C1 H2 C3 C4 C5 N6 N7 N8
C11.10111.49451.49451.49452.67452.67452.6745
H21.10112.10902.10902.10903.17983.17983.1798
C31.49452.10902.46562.46561.18023.50743.5074
C41.49452.10902.46562.46563.50741.18023.5074
C51.49452.10902.46562.46563.50743.50741.1802
N62.67453.17981.18023.50743.50744.42444.4244
N72.67453.17983.50741.18023.50744.42444.4244
N82.67453.17983.50743.50741.18024.42444.4244

picture of tricyanomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 N6 178.887 C1 C4 N7 178.887
C1 C5 N8 178.887 H2 C1 C3 107.726
H2 C1 C4 107.726 H2 C1 C5 107.726
C3 C1 C4 111.158 C3 C1 C5 111.158
C4 C1 C5 111.158
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 0.179      
2 H 0.268      
3 C -0.460      
4 C -0.460      
5 C -0.460      
6 N 0.311      
7 N 0.311      
8 N 0.311      


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 2.893 2.893
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -50.563 0.000 0.000
y 0.000 -50.563 0.000
z 0.000 0.000 -35.831
Traceless
 xyz
x -7.366 0.000 0.000
y 0.000 -7.366 0.000
z 0.000 0.000 14.732
Polar
3z2-r229.463
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 8.396 0.000 0.000
y 0.000 8.397 -0.000
z 0.000 -0.000 4.905


<r2> (average value of r2) Å2
<r2> 155.578
(<r2>)1/2 12.473