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All results from a given calculation for CH3CBr3 (1,1,1-tribromoethane)

using model chemistry: M06-2X/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 M06-2X/6-31G
 hartrees
Energy at 0K-7792.904850
Energy at 298.15K-7792.916712
HF Energy-7792.904850
Nuclear repulsion energy969.178277
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 M06-2X/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 3096 3096 1.01      
2 A1 1484 1484 20.28      
3 A1 1127 1127 10.27      
4 A1 426 426 9.71      
5 A1 230 230 0.08      
6 A2 314 314 0.00      
7 E 3191 3191 0.72      
7 E 3190 3190 0.76      
8 E 1522 1522 7.01      
8 E 1522 1522 6.98      
9 E 1148 1148 65.71      
9 E 1148 1148 65.86      
10 E 667 667 102.00      
10 E 666 666 102.79      
11 E 293 293 1.33      
11 E 292 292 1.34      
12 E 157 157 0.13      
12 E 157 157 0.13      

Unscaled Zero Point Vibrational Energy (zpe) 10313.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10313.7 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 M06-2X/6-31G
ABC
0.03484 0.03484 0.02061

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/6-31G

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.461
C2 0.000 0.000 1.968
Br3 0.000 1.855 -0.206
Br4 1.606 -0.927 -0.206
Br5 -1.606 -0.927 -0.206
H6 0.000 -1.027 2.338
H7 0.890 0.514 2.338
H8 -0.890 0.514 2.338

Atom - Atom Distances (Å)
  C1 C2 Br3 Br4 Br5 H6 H7 H8
C11.50631.97121.97121.97122.13902.13902.1390
C21.50632.85732.85732.85731.09181.09181.0918
Br31.97122.85733.21293.21293.84383.00973.0097
Br41.97122.85733.21293.21293.00973.00973.8438
Br51.97122.85733.21293.21293.00973.84383.0097
H62.13901.09183.84383.00973.00971.77931.7793
H72.13901.09183.00973.00973.84381.77931.7793
H82.13901.09183.00973.84383.00971.77931.7793

picture of 1,1,1-tribromoethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 109.802 C1 C2 H7 109.802
C1 C2 H8 109.802 C2 C1 Br3 109.774
C2 C1 Br4 109.774 C2 C1 Br5 109.774
Br3 C1 Br4 109.166 Br3 C1 Br5 109.166
Br4 C1 Br5 109.166 H6 C2 H7 109.138
H6 C2 H8 109.138 H7 C2 H8 109.138
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.767      
2 C -0.349      
3 Br 0.167      
4 Br 0.167      
5 Br 0.167      
6 H 0.205      
7 H 0.205      
8 H 0.205      


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 2.018 2.018
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -68.666 0.000 0.000
y 0.000 -68.666 0.000
z 0.000 0.000 -64.600
Traceless
 xyz
x -2.033 0.000 0.000
y 0.000 -2.033 0.000
z 0.000 0.000 4.067
Polar
3z2-r28.133
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 9.758 0.000 0.000
y 0.000 9.758 0.004
z 0.000 0.004 6.162


<r2> (average value of r2) Å2
<r2> 451.847
(<r2>)1/2 21.257