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

using model chemistry: HF/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 HF/CEP-121G
 hartrees
Energy at 0K-51.352336
Energy at 298.15K 
HF Energy-51.352336
Nuclear repulsion energy102.111416
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 HF/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 3224 2942 5.18 80.86 0.14 0.24
2 A1 2518 2298 0.06 129.69 0.03 0.07
3 A1 932 850 18.00 11.05 0.17 0.29
4 A1 614 561 0.48 5.42 0.00 0.00
5 A1 194 177 23.57 3.65 0.70 0.83
6 A2 418 381 0.00 0.00 0.75 0.86
7 E 2520 2299 0.82 22.67 0.75 0.86
7 E 2520 2299 0.82 22.67 0.75 0.86
8 E 1443 1317 3.47 4.56 0.75 0.86
8 E 1443 1317 3.47 4.56 0.75 0.86
9 E 1114 1017 58.38 5.24 0.75 0.86
9 E 1114 1017 58.38 5.24 0.75 0.86
10 E 640 584 0.06 5.13 0.75 0.86
10 E 640 584 0.06 5.13 0.75 0.86
11 E 415 379 0.03 6.45 0.75 0.86
11 E 415 379 0.03 6.45 0.75 0.86
12 E 153 139 7.79 6.59 0.75 0.86
12 E 153 139 7.79 6.59 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10234.1 cm-1
Scaled (by 0.9125) Zero Point Vibrational Energy (zpe) 9338.6 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 HF/CEP-121G
ABC
0.09484 0.09484 0.04990

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.511
H2 0.000 0.000 1.596
C3 0.000 1.413 0.057
C4 1.224 -0.706 0.057
C5 -1.224 -0.706 0.057
N6 0.000 2.516 -0.270
N7 2.179 -1.258 -0.270
N8 -2.179 -1.258 -0.270

Atom - Atom Distances (Å)
  C1 H2 C3 C4 C5 N6 N7 N8
C11.08511.48411.48411.48412.63462.63462.6346
H21.08512.08942.08942.08943.13273.13273.1327
C31.48412.08942.44712.44711.15073.46243.4624
C41.48412.08942.44712.44713.46241.15073.4624
C51.48412.08942.44712.44713.46243.46241.1507
N62.63463.13271.15073.46243.46244.35794.3579
N72.63463.13273.46241.15073.46244.35794.3579
N82.63463.13273.46243.46241.15074.35794.3579

picture of tricyanomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 N6 178.684 C1 C4 N7 178.684
C1 C5 N8 178.684 H2 C1 C3 107.826
H2 C1 C4 107.826 H2 C1 C5 107.826
C3 C1 C4 111.065 C3 C1 C5 111.065
C4 C1 C5 111.065
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.180      
2 H 0.274      
3 C -0.387      
4 C -0.387      
5 C -0.387      
6 N 0.235      
7 N 0.235      
8 N 0.235      


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 3.098 3.098
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -52.122 0.000 0.000
y 0.000 -52.122 0.000
z 0.000 0.000 -36.285
Traceless
 xyz
x -7.918 0.000 0.000
y 0.000 -7.918 0.000
z 0.000 0.000 15.836
Polar
3z2-r231.672
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 7.726 0.000 0.000
y 0.000 7.726 0.000
z 0.000 0.000 4.606


<r2> (average value of r2) Å2
<r2> 152.893
(<r2>)1/2 12.365