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

using model chemistry: B3PW91/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at B3PW91/6-311G*
 hartrees
Energy at 0K-317.127989
Energy at 298.15K 
HF Energy-317.127989
Nuclear repulsion energy213.483030
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 B3PW91/6-311G*
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 3035 2921 8.90      
2 A1 2395 2305 0.02      
3 A1 845 813 5.45      
4 A1 578 557 0.28      
5 A1 169 163 21.32      
6 A2 367 353 0.00      
7 E 2389 2300 0.75      
7 E 2389 2300 0.75      
8 E 1296 1248 2.14      
8 E 1296 1248 2.14      
9 E 1039 1001 19.06      
9 E 1039 1001 19.06      
10 E 583 561 0.00      
10 E 583 561 0.00      
11 E 365 351 0.14      
11 E 365 351 0.14      
12 E 134 129 6.97      
12 E 134 129 6.97      

Unscaled Zero Point Vibrational Energy (zpe) 9500.3 cm-1
Scaled (by 0.9627) Zero Point Vibrational Energy (zpe) 9145.9 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 B3PW91/6-311G*
ABC
0.09584 0.09584 0.05041

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-311G*

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 1.402 0.057
C4 1.214 -0.701 0.057
C5 -1.214 -0.701 0.057
N6 0.000 2.505 -0.268
N7 2.170 -1.253 -0.268
N8 -2.170 -1.253 -0.268

Atom - Atom Distances (Å)
  C1 H2 C3 C4 C5 N6 N7 N8
C11.09981.46981.46981.46982.62032.62032.6203
H21.09982.08412.08412.08413.12463.12463.1246
C31.46982.08412.42772.42771.15063.44373.4437
C41.46982.08412.42772.42773.44371.15063.4437
C51.46982.08412.42772.42773.44373.44371.1506
N62.62033.12461.15063.44373.44374.33964.3396
N72.62033.12463.44371.15063.44374.33964.3396
N82.62033.12463.44373.44371.15064.33964.3396

picture of tricyanomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 N6 178.870 C1 C4 N7 178.870
C1 C5 N8 178.870 H2 C1 C3 107.522
H2 C1 C4 107.522 H2 C1 C5 107.522
C3 C1 C4 111.348 C3 C1 C5 111.348
C4 C1 C5 111.348
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.385      
2 H 0.357      
3 C 0.227      
4 C 0.227      
5 C 0.227      
6 N -0.217      
7 N -0.217      
8 N -0.217      


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 2.742 2.742
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -49.093 0.000 0.000
y 0.000 -49.093 0.000
z 0.000 0.000 -35.400
Traceless
 xyz
x -6.847 0.000 0.000
y 0.000 -6.847 0.000
z 0.000 0.000 13.693
Polar
3z2-r227.386
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 8.155 0.000 0.000
y 0.000 8.155 0.000
z 0.000 0.000 4.817


<r2> (average value of r2) Å2
<r2> 200.615
(<r2>)1/2 14.164