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

using model chemistry: PBEPBEultrafine/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at PBEPBEultrafine/aug-cc-pVTZ
 hartrees
Energy at 0K-316.932098
Energy at 298.15K 
HF Energy-316.932098
Nuclear repulsion energy212.233348
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 PBEPBEultrafine/aug-cc-pVTZ
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 2933 2900 12.51 92.60 0.09 0.17
2 A1 2293 2267 0.18 191.06 0.04 0.08
3 A1 810 801 4.12 7.21 0.06 0.11
4 A1 557 550 0.24 5.94 0.00 0.01
5 A1 160 158 21.69 1.96 0.67 0.80
6 A2 342 338 0.00 0.00 0.75 0.86
7 E 2285 2259 1.40 34.78 0.75 0.86
7 E 2285 2259 1.40 34.73 0.75 0.86
8 E 1227 1213 2.19 2.87 0.75 0.86
8 E 1227 1213 2.19 2.85 0.75 0.86
9 E 996 984 12.82 0.92 0.75 0.86
9 E 996 984 12.82 0.94 0.75 0.86
10 E 554 548 0.02 1.05 0.75 0.86
10 E 554 548 0.02 1.01 0.75 0.86
11 E 341 338 0.11 1.93 0.75 0.86
11 E 341 338 0.11 1.92 0.75 0.86
12 E 126 125 6.65 3.82 0.75 0.86
12 E 126 125 6.65 3.86 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9075.6 cm-1
Scaled (by 0.9888) Zero Point Vibrational Energy (zpe) 8974.0 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 PBEPBEultrafine/aug-cc-pVTZ
ABC
0.09478 0.09478 0.04982

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/aug-cc-pVTZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.498
H2 0.000 0.000 1.606
C3 0.000 1.407 0.057
C4 1.219 -0.704 0.057
C5 -1.219 -0.704 0.057
N6 0.000 2.521 -0.267
N7 2.184 -1.261 -0.267
N8 -2.184 -1.261 -0.267

Atom - Atom Distances (Å)
  C1 H2 C3 C4 C5 N6 N7 N8
C11.10751.47491.47491.47492.63522.63522.6352
H21.10752.09282.09282.09283.14123.14123.1412
C31.47492.09282.43742.43741.16043.46293.4629
C41.47492.09282.43742.43743.46291.16043.4629
C51.47492.09282.43742.43743.46293.46291.1604
N62.63523.14121.16043.46293.46294.36734.3673
N72.63523.14123.46291.16043.46294.36734.3673
N82.63523.14123.46293.46291.16044.36734.3673

picture of tricyanomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 N6 178.806 C1 C4 N7 178.806
C1 C5 N8 178.806 H2 C1 C3 107.419
H2 C1 C4 107.419 H2 C1 C5 107.419
C3 C1 C4 111.443 C3 C1 C5 111.443
C4 C1 C5 111.443
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.586      
2 H 0.160      
3 C 0.152      
4 C 0.152      
5 C 0.152      
6 N -0.401      
7 N -0.401      
8 N -0.401      


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 2.693 2.693
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -49.701 0.000 0.000
y 0.000 -49.701 0.000
z 0.000 0.000 -35.905
Traceless
 xyz
x -6.898 0.000 0.000
y 0.000 -6.898 0.000
z 0.000 0.000 13.797
Polar
3z2-r227.593
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 9.944 0.000 0.000
y 0.000 9.944 0.000
z 0.000 0.000 6.457


<r2> (average value of r2) Å2
<r2> 202.960
(<r2>)1/2 14.246