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

using model chemistry: B3PW91/cc-pVDZ

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-pVDZ
 hartrees
Energy at 0K-317.077157
Energy at 298.15K 
HF Energy-317.077157
Nuclear repulsion energy212.466651
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-pVDZ
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 2930 11.46      
2 A1 2394 2310 0.00      
3 A1 841 812 5.24      
4 A1 577 557 0.13      
5 A1 167 161 19.14      
6 A2 362 349 0.00      
7 E 2389 2305 0.41      
7 E 2389 2305 0.41      
8 E 1268 1223 3.56      
8 E 1268 1223 3.56      
9 E 1039 1003 17.66      
9 E 1039 1003 17.66      
10 E 576 556 0.02      
10 E 576 556 0.02      
11 E 361 348 0.09      
11 E 361 348 0.09      
12 E 132 128 6.24      
12 E 132 128 6.24      

Unscaled Zero Point Vibrational Energy (zpe) 9453.7 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 9122.8 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-pVDZ
ABC
0.09502 0.09502 0.04998

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.502
H2 0.000 0.000 1.609
C3 0.000 1.405 0.058
C4 1.217 -0.703 0.058
C5 -1.217 -0.703 0.058
N6 0.000 2.517 -0.270
N7 2.180 -1.259 -0.270
N8 -2.180 -1.259 -0.270

Atom - Atom Distances (Å)
  C1 H2 C3 C4 C5 N6 N7 N8
C11.10711.47371.47371.47372.63292.63292.6329
H21.10712.09302.09302.09303.14113.14113.1411
C31.47372.09302.43392.43391.15933.45773.4577
C41.47372.09302.43392.43393.45771.15933.4577
C51.47372.09302.43392.43393.45773.45771.1593
N62.63293.14111.15933.45773.45774.35994.3599
N72.63293.14113.45771.15933.45774.35994.3599
N82.63293.14113.45773.45771.15934.35994.3599

picture of tricyanomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 N6 178.887 C1 C4 N7 178.887
C1 C5 N8 178.887 H2 C1 C3 107.537
H2 C1 C4 107.537 H2 C1 C5 107.537
C3 C1 C4 111.335 C3 C1 C5 111.335
C4 C1 C5 111.335
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.078      
2 H 0.168      
3 C 0.053      
4 C 0.053      
5 C 0.053      
6 N -0.083      
7 N -0.083      
8 N -0.083      


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 2.657 2.657
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -48.242 0.000 0.000
y 0.000 -48.242 0.000
z 0.000 0.000 -35.183
Traceless
 xyz
x -6.529 0.000 0.000
y 0.000 -6.529 0.000
z 0.000 0.000 13.059
Polar
3z2-r226.117
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 7.988 0.000 0.000
y 0.000 7.988 0.000
z 0.000 0.000 4.724


<r2> (average value of r2) Å2
<r2> 201.709
(<r2>)1/2 14.202