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

using model chemistry: mPW1PW91/aug-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 mPW1PW91/aug-cc-pVDZ
 hartrees
Energy at 0K-317.137411
Energy at 298.15K 
HF Energy-317.137411
Nuclear repulsion energy212.855675
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/aug-cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 3057 2930 13.36 85.81 0.09 0.17
2 A1 2405 2305 0.07 168.64 0.04 0.08
3 A1 842 807 4.76 7.75 0.06 0.12
4 A1 576 552 0.43 5.16 0.00 0.00
5 A1 165 158 23.95 1.94 0.66 0.80
6 A2 353 338 0.00 0.00 0.75 0.86
7 E 2401 2301 0.52 31.29 0.75 0.86
7 E 2401 2301 0.52 31.32 0.75 0.86
8 E 1271 1218 4.12 2.48 0.75 0.86
8 E 1271 1218 4.12 2.48 0.75 0.86
9 E 1044 1001 16.98 1.06 0.75 0.86
9 E 1044 1001 16.98 1.05 0.75 0.86
10 E 575 551 0.02 1.49 0.75 0.86
10 E 575 551 0.02 1.49 0.75 0.86
11 E 353 338 0.28 2.06 0.75 0.86
11 E 353 338 0.28 2.06 0.75 0.86
12 E 131 125 7.45 3.83 0.75 0.86
12 E 131 125 7.45 3.82 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9472.8 cm-1
Scaled (by 0.9583) Zero Point Vibrational Energy (zpe) 9077.8 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 mPW1PW91/aug-cc-pVDZ
ABC
0.09533 0.09533 0.05013

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/aug-cc-pVDZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.501
H2 0.000 0.000 1.604
C3 0.000 1.404 0.057
C4 1.216 -0.702 0.057
C5 -1.216 -0.702 0.057
N6 0.000 2.513 -0.268
N7 2.176 -1.257 -0.268
N8 -2.176 -1.257 -0.268

Atom - Atom Distances (Å)
  C1 H2 C3 C4 C5 N6 N7 N8
C11.10311.47241.47241.47242.62812.62812.6281
H21.10312.08922.08922.08923.13373.13373.1337
C31.47242.08922.43152.43151.15583.45253.4525
C41.47242.08922.43152.43153.45251.15583.4525
C51.47242.08922.43152.43153.45253.45251.1558
N62.62813.13371.15583.45253.45254.35294.3529
N72.62813.13373.45251.15583.45254.35294.3529
N82.62813.13373.45253.45251.15584.35294.3529

picture of tricyanomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 N6 178.750 C1 C4 N7 178.750
C1 C5 N8 178.750 H2 C1 C3 107.561
H2 C1 C4 107.561 H2 C1 C5 107.561
C3 C1 C4 111.312 C3 C1 C5 111.312
C4 C1 C5 111.312
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 1.118      
2 H 0.124      
3 C -0.165      
4 C -0.165      
5 C -0.165      
6 N -0.249      
7 N -0.249      
8 N -0.249      


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 2.775 2.775
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -49.731 0.000 0.000
y 0.000 -49.731 0.000
z 0.000 0.000 -35.689
Traceless
 xyz
x -7.021 0.000 0.000
y 0.000 -7.021 0.000
z 0.000 0.000 14.042
Polar
3z2-r228.084
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 9.449 0.000 0.000
y 0.000 9.449 0.000
z 0.000 0.000 6.192


<r2> (average value of r2) Å2
<r2> 201.886
(<r2>)1/2 14.209