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

using model chemistry: PBE1PBE/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 PBE1PBE/cc-pVTZ
 hartrees
Energy at 0K-316.921683
Energy at 298.15K 
HF Energy-316.921683
Nuclear repulsion energy213.981803
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 PBE1PBE/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 3037 2918 14.67 82.67 0.11 0.20
2 A1 2411 2317 0.02 137.16 0.05 0.10
3 A1 847 814 4.52 5.91 0.08 0.16
4 A1 580 558 0.47 3.90 0.00 0.00
5 A1 168 161 23.21 2.24 0.70 0.82
6 A2 363 349 0.00 0.00 0.75 0.86
7 E 2406 2312 0.46 33.02 0.75 0.86
7 E 2406 2312 0.46 33.02 0.75 0.86
8 E 1283 1233 2.63 2.40 0.75 0.86
8 E 1283 1233 2.63 2.40 0.75 0.86
9 E 1043 1003 15.93 1.13 0.75 0.86
9 E 1043 1003 15.93 1.13 0.75 0.86
10 E 584 561 0.01 1.93 0.75 0.86
10 E 584 561 0.01 1.93 0.75 0.86
11 E 362 348 0.23 2.61 0.75 0.86
11 E 362 348 0.23 2.61 0.75 0.86
12 E 132 127 7.31 4.18 0.75 0.86
12 E 132 127 7.31 4.18 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9512.0 cm-1
Scaled (by 0.961) Zero Point Vibrational Energy (zpe) 9141.0 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 PBE1PBE/cc-pVTZ
ABC
0.09627 0.09627 0.05062

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/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 1.596
C3 0.000 1.399 0.056
C4 1.212 -0.699 0.056
C5 -1.212 -0.699 0.056
N6 0.000 2.500 -0.266
N7 2.165 -1.250 -0.266
N8 -2.165 -1.250 -0.266

Atom - Atom Distances (Å)
  C1 H2 C3 C4 C5 N6 N7 N8
C11.09861.46711.46711.46712.61402.61402.6140
H21.09862.08092.08092.08093.11733.11733.1173
C31.46712.08092.42302.42301.14713.43633.4363
C41.46712.08092.42302.42303.43631.14713.4363
C51.46712.08092.42302.42303.43633.43631.1471
N62.61403.11731.14713.43633.43634.33014.3301
N72.61403.11733.43631.14713.43634.33014.3301
N82.61403.11733.43633.43631.14714.33014.3301

picture of tricyanomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 N6 178.759 C1 C4 N7 178.759
C1 C5 N8 178.759 H2 C1 C3 107.528
H2 C1 C4 107.528 H2 C1 C5 107.528
C3 C1 C4 111.343 C3 C1 C5 111.343
C4 C1 C5 111.343
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.001      
2 H 0.200      
3 C -0.052      
4 C -0.052      
5 C -0.052      
6 N -0.015      
7 N -0.015      
8 N -0.015      


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 2.750 2.750
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -49.203 0.000 0.000
y 0.000 -49.203 0.000
z 0.000 0.000 -35.461
Traceless
 xyz
x -6.871 0.000 0.000
y 0.000 -6.871 0.000
z 0.000 0.000 13.742
Polar
3z2-r227.484
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 8.651 0.000 0.000
y 0.000 8.651 0.000
z 0.000 0.000 5.415


<r2> (average value of r2) Å2
<r2> 199.921
(<r2>)1/2 14.139