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

using model chemistry: mPW1PW91/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at mPW1PW91/6-311G**
 hartrees
Energy at 0K-317.173717
Energy at 298.15K 
HF Energy-317.173717
Nuclear repulsion energy213.859623
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 mPW1PW91/6-311G**
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 3047 2915 12.36 84.33 0.13 0.23
2 A1 2417 2312 0.01 117.55 0.06 0.11
3 A1 850 813 5.70 6.35 0.12 0.21
4 A1 582 557 0.28 3.25 0.00 0.01
5 A1 170 163 21.68 2.83 0.71 0.83
6 A2 370 354 0.00 0.00 0.75 0.86
7 E 2412 2308 0.54 33.88 0.75 0.86
7 E 2412 2308 0.54 33.88 0.75 0.86
8 E 1293 1237 2.50 2.95 0.75 0.86
8 E 1293 1237 2.50 2.95 0.75 0.86
9 E 1048 1003 18.79 1.68 0.75 0.86
9 E 1048 1003 18.79 1.68 0.75 0.86
10 E 588 562 0.01 2.92 0.75 0.86
10 E 588 562 0.01 2.92 0.75 0.86
11 E 368 352 0.15 3.88 0.75 0.86
11 E 368 352 0.15 3.88 0.75 0.86
12 E 135 129 7.06 5.20 0.75 0.86
12 E 135 129 7.06 5.20 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9561.0 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 9147.0 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 mPW1PW91/6-311G**
ABC
0.09619 0.09619 0.05060

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-311G**

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.500
H2 0.000 0.000 1.599
C3 0.000 1.399 0.057
C4 1.212 -0.700 0.057
C5 -1.212 -0.700 0.057
N6 0.000 2.501 -0.268
N7 2.166 -1.250 -0.268
N8 -2.166 -1.250 -0.268

Atom - Atom Distances (Å)
  C1 H2 C3 C4 C5 N6 N7 N8
C11.09831.46771.46771.46772.61592.61592.6159
H21.09832.08192.08192.08193.12033.12033.1203
C31.46772.08192.42352.42351.14833.43733.4373
C41.46772.08192.42352.42353.43731.14833.4373
C51.46772.08192.42352.42353.43733.43731.1483
N62.61593.12031.14833.43733.43734.33114.3311
N72.61593.12033.43731.14833.43734.33114.3311
N82.61593.12033.43733.43731.14834.33114.3311

picture of tricyanomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 N6 178.861 C1 C4 N7 178.861
C1 C5 N8 178.861 H2 C1 C3 107.576
H2 C1 C4 107.576 H2 C1 C5 107.576
C3 C1 C4 111.298 C3 C1 C5 111.298
C4 C1 C5 111.298
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.170      
2 H 0.266      
3 C 0.191      
4 C 0.191      
5 C 0.191      
6 N -0.223      
7 N -0.223      
8 N -0.223      


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 2.756 2.756
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -49.061 0.000 0.000
y 0.000 -49.061 0.000
z 0.000 0.000 -35.380
Traceless
 xyz
x -6.840 0.000 0.000
y 0.000 -6.840 0.000
z 0.000 0.000 13.681
Polar
3z2-r227.362
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 8.100 0.000 0.000
y 0.000 8.099 0.000
z 0.000 0.000 4.804


<r2> (average value of r2) Å2
<r2> 199.966
(<r2>)1/2 14.141