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

using model chemistry: B3PW91/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 B3PW91/cc-pVTZ
 hartrees
Energy at 0K-317.159206
Energy at 298.15K 
HF Energy-317.159206
Nuclear repulsion energy213.729622
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 B3PW91/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 3023 2907 13.03      
2 A1 2392 2300 0.03      
3 A1 841 809 4.53      
4 A1 575 553 0.47      
5 A1 167 161 23.18      
6 A2 360 346 0.00      
7 E 2385 2294 0.57      
7 E 2385 2294 0.57      
8 E 1279 1230 2.67      
8 E 1279 1230 2.67      
9 E 1033 993 16.41      
9 E 1033 993 16.41      
10 E 579 557 0.01      
10 E 579 557 0.01      
11 E 359 345 0.22      
11 E 359 345 0.22      
12 E 132 127 7.27      
12 E 132 127 7.27      

Unscaled Zero Point Vibrational Energy (zpe) 9445.8 cm-1
Scaled (by 0.9616) Zero Point Vibrational Energy (zpe) 9083.1 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 B3PW91/cc-pVTZ
ABC
0.09603 0.09603 0.05047

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/cc-pVTZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.496
H2 0.000 0.000 1.595
C3 0.000 1.401 0.055
C4 1.213 -0.701 0.055
C5 -1.213 -0.701 0.055
N6 0.000 2.504 -0.265
N7 2.168 -1.252 -0.265
N8 -2.168 -1.252 -0.265

Atom - Atom Distances (Å)
  C1 H2 C3 C4 C5 N6 N7 N8
C11.09851.46891.46891.46892.61692.61692.6169
H21.09852.08172.08172.08173.11903.11903.1190
C31.46892.08172.42682.42681.14813.44123.4412
C41.46892.08172.42682.42683.44121.14813.4412
C51.46892.08172.42682.42683.44123.44121.1481
N62.61693.11901.14813.44123.44124.33644.3364
N72.61693.11903.44121.14813.44124.33644.3364
N82.61693.11903.44123.44121.14814.33644.3364

picture of tricyanomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 N6 178.738 C1 C4 N7 178.738
C1 C5 N8 178.738 H2 C1 C3 107.475
H2 C1 C4 107.475 H2 C1 C5 107.475
C3 C1 C4 111.391 C3 C1 C5 111.391
C4 C1 C5 111.391
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.007      
2 H 0.187      
3 C -0.035      
4 C -0.035      
5 C -0.035      
6 N -0.025      
7 N -0.025      
8 N -0.025      


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 2.737 2.737
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -49.183 0.000 0.000
y 0.000 -49.183 0.000
z 0.000 0.000 -35.386
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 8.712 0.000 0.000
y 0.000 8.712 0.000
z 0.000 0.000 5.426


<r2> (average value of r2) Å2
<r2> 200.366
(<r2>)1/2 14.155