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

using model chemistry: M06-2X/6-31+G**

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/6-31+G**
 hartrees
Energy at 0K-7793.365730
Energy at 298.15K-7793.377679
HF Energy-7793.365730
Nuclear repulsion energy984.248650
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/6-31+G**
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 3079 2932 1.89      
2 A1 1422 1354 10.28      
3 A1 1094 1042 4.58      
4 A1 436 415 5.05      
5 A1 234 223 0.03      
6 A2 352 336 0.00      
7 E 3176 3024 1.04      
7 E 3175 3024 1.07      
8 E 1492 1421 4.67      
8 E 1492 1421 4.58      
9 E 1107 1054 48.55      
9 E 1107 1054 48.84      
10 E 673 641 79.26      
10 E 673 641 80.30      
11 E 298 284 1.68      
11 E 298 284 1.66      
12 E 164 156 0.03      
12 E 164 156 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 10217.9 cm-1
Scaled (by 0.9522) Zero Point Vibrational Energy (zpe) 9729.5 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 M06-2X/6-31+G**
ABC
0.03592 0.03592 0.02137

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.456
C2 0.000 0.000 1.970
Br3 0.000 1.822 -0.205
Br4 1.578 -0.911 -0.205
Br5 -1.578 -0.911 -0.205
H6 0.000 -1.031 2.330
H7 0.893 0.515 2.330
H8 -0.893 0.515 2.330

Atom - Atom Distances (Å)
  C1 C2 Br3 Br4 Br5 H6 H7 H8
C11.51361.93801.93801.93802.13902.13902.1390
C21.51362.83702.83702.83701.09211.09211.0921
Br31.93802.83703.15543.15543.81652.98862.9886
Br41.93802.83703.15543.15542.98862.98863.8165
Br51.93802.83703.15543.15542.98863.81652.9886
H62.13901.09213.81652.98862.98861.78551.7855
H72.13901.09212.98862.98863.81651.78551.7855
H82.13901.09212.98863.81652.98861.78551.7855

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 109.277 C1 C2 H7 109.277
C1 C2 H8 109.277 C2 C1 Br3 109.948
C2 C1 Br4 109.948 C2 C1 Br5 109.948
Br3 C1 Br4 108.990 Br3 C1 Br5 108.990
Br4 C1 Br5 108.990 H6 C2 H7 109.665
H6 C2 H8 109.665 H7 C2 H8 109.665
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.561      
2 C -0.287      
3 Br 0.079      
4 Br 0.079      
5 Br 0.079      
6 H 0.204      
7 H 0.204      
8 H 0.204      


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 1.722 1.722
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -68.232 0.000 0.000
y 0.000 -68.232 0.000
z 0.000 0.000 -65.036
Traceless
 xyz
x -1.598 0.000 0.000
y 0.000 -1.598 0.000
z 0.000 0.000 3.195
Polar
3z2-r26.390
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 12.764 0.000 0.000
y 0.000 12.771 -0.001
z 0.000 -0.001 10.076


<r2> (average value of r2) Å2
<r2> 438.846
(<r2>)1/2 20.949