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

using model chemistry: PBE1PBE/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at PBE1PBE/6-31G**
 hartrees
Energy at 0K-316.817463
Energy at 298.15K 
HF Energy-316.817463
Nuclear repulsion energy212.895000
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 PBE1PBE/6-31G**
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 3058 2914 12.25 86.71 0.16 0.28
2 A1 2424 2310 0.01 101.29 0.07 0.13
3 A1 856 815 4.83 6.79 0.13 0.23
4 A1 580 553 0.41 2.77 0.01 0.01
5 A1 168 160 21.18 2.97 0.71 0.83
6 A2 363 346 0.00 0.00 0.75 0.86
7 E 2420 2306 0.53 33.99 0.75 0.86
7 E 2420 2306 0.53 33.99 0.75 0.86
8 E 1302 1241 2.30 3.94 0.75 0.86
8 E 1302 1241 2.30 3.94 0.75 0.86
9 E 1050 1000 18.96 2.20 0.75 0.86
9 E 1050 1000 18.96 2.20 0.75 0.86
10 E 578 551 0.00 3.10 0.75 0.86
10 E 578 551 0.00 3.10 0.75 0.86
11 E 365 348 0.19 4.25 0.75 0.86
11 E 365 348 0.19 4.25 0.75 0.86
12 E 132 126 6.90 5.44 0.75 0.86
12 E 132 126 6.90 5.44 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9570.0 cm-1
Scaled (by 0.9531) Zero Point Vibrational Energy (zpe) 9121.2 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 PBE1PBE/6-31G**
ABC
0.09542 0.09542 0.05025

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31G**

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.508
H2 0.000 0.000 1.609
C3 0.000 1.402 0.059
C4 1.214 -0.701 0.059
C5 -1.214 -0.701 0.059
N6 0.000 2.510 -0.273
N7 2.174 -1.255 -0.273
N8 -2.174 -1.255 -0.273

Atom - Atom Distances (Å)
  C1 H2 C3 C4 C5 N6 N7 N8
C11.10171.47211.47211.47212.62872.62872.6287
H21.10172.09012.09012.09013.13743.13743.1374
C31.47212.09012.42872.42871.15673.44933.4493
C41.47212.09012.42872.42873.44931.15673.4493
C51.47212.09012.42872.42873.44933.44931.1567
N62.62873.13741.15673.44933.44934.34784.3478
N72.62873.13743.44931.15673.44934.34784.3478
N82.62873.13743.44933.44931.15674.34784.3478

picture of tricyanomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 N6 178.951 C1 C4 N7 178.951
C1 C5 N8 178.951 H2 C1 C3 107.731
H2 C1 C4 107.731 H2 C1 C5 107.731
C3 C1 C4 111.154 C3 C1 C5 111.154
C4 C1 C5 111.154
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.341      
2 H 0.329      
3 C 0.413      
4 C 0.413      
5 C 0.413      
6 N -0.409      
7 N -0.409      
8 N -0.409      


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 2.750 2.750
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -48.496 0.000 0.000
y 0.000 -48.496 0.000
z 0.000 0.000 -35.030
Traceless
 xyz
x -6.733 0.000 0.000
y 0.000 -6.733 0.000
z 0.000 0.000 13.466
Polar
3z2-r226.932
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 7.857 0.000 0.000
y 0.000 7.857 0.000
z 0.000 0.000 4.532


<r2> (average value of r2) Å2
<r2> 200.965
(<r2>)1/2 14.176