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

using model chemistry: HF/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 HF/aug-cc-pVDZ
 hartrees
Energy at 0K-315.384813
Energy at 298.15K 
HF Energy-315.384813
Nuclear repulsion energy214.257068
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 HF/aug-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 3232 2943 11.84 71.10 0.11 0.20
2 A1 2622 2388 0.01 167.28 0.03 0.06
3 A1 912 830 6.06 7.75 0.09 0.17
4 A1 615 560 2.03 5.43 0.00 0.00
5 A1 188 171 31.60 1.97 0.66 0.79
6 A2 395 360 0.00 0.00 0.75 0.86
7 E 2619 2385 0.54 25.29 0.75 0.86
7 E 2619 2385 0.54 25.29 0.75 0.86
8 E 1403 1278 8.52 2.22 0.75 0.86
8 E 1403 1278 8.52 2.22 0.75 0.86
9 E 1110 1011 31.15 1.90 0.75 0.86
9 E 1110 1011 31.15 1.90 0.75 0.86
10 E 635 579 0.96 2.22 0.75 0.86
10 E 635 579 0.96 2.22 0.75 0.86
11 E 397 362 1.04 2.52 0.75 0.86
11 E 397 362 1.04 2.52 0.75 0.86
12 E 148 135 9.75 3.79 0.75 0.86
12 E 148 135 9.75 3.79 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10294.9 cm-1
Scaled (by 0.9106) Zero Point Vibrational Energy (zpe) 9374.5 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 HF/aug-cc-pVDZ
ABC
0.09621 0.09621 0.05059

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.503
H2 0.000 0.000 1.593
C3 0.000 1.409 0.053
C4 1.220 -0.704 0.053
C5 -1.220 -0.704 0.053
N6 0.000 2.496 -0.265
N7 2.162 -1.248 -0.265
N8 -2.162 -1.248 -0.265

Atom - Atom Distances (Å)
  C1 H2 C3 C4 C5 N6 N7 N8
C11.08981.47891.47891.47892.61162.61162.6116
H21.08982.08712.08712.08713.11153.11153.1115
C31.47892.08712.43992.43991.13303.43993.4399
C41.47892.08712.43992.43993.43991.13303.4399
C51.47892.08712.43992.43993.43993.43991.1330
N62.61163.11151.13303.43993.43994.32374.3237
N72.61163.11153.43991.13303.43994.32374.3237
N82.61163.11153.43993.43991.13304.32374.3237

picture of tricyanomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 N6 178.540 C1 C4 N7 178.540
C1 C5 N8 178.540 H2 C1 C3 107.724
H2 C1 C4 107.724 H2 C1 C5 107.724
C3 C1 C4 111.161 C3 C1 C5 111.161
C4 C1 C5 111.161
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.968      
2 H 0.242      
3 C -0.149      
4 C -0.149      
5 C -0.149      
6 N -0.254      
7 N -0.254      
8 N -0.254      


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 2.950 2.950
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -51.014 0.000 0.000
y 0.000 -51.014 0.000
z 0.000 0.000 -36.120
Traceless
 xyz
x -7.447 0.000 0.000
y 0.000 -7.447 0.000
z 0.000 0.000 14.894
Polar
3z2-r229.788
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 8.809 0.000 0.000
y 0.000 8.809 0.000
z 0.000 0.000 5.909


<r2> (average value of r2) Å2
<r2> 200.915
(<r2>)1/2 14.174