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

using model chemistry: B97D3/6-31+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 B97D3/6-31+G**
 hartrees
Energy at 0K-7797.058805
Energy at 298.15K-7797.070465
HF Energy-7797.058805
Nuclear repulsion energy970.431933
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 B97D3/6-31+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 3009 2957 4.56      
2 A1 1391 1367 8.16      
3 A1 1039 1021 10.78      
4 A1 404 397 5.58      
5 A1 211 207 0.00      
6 A2 354 348 0.00      
7 E 3104 3050 3.38      
7 E 3104 3050 3.39      
8 E 1463 1438 3.54      
8 E 1463 1438 3.54      
9 E 1073 1054 52.21      
9 E 1073 1054 52.15      
10 E 569 560 115.20      
10 E 569 560 115.02      
11 E 282 277 3.72      
11 E 282 277 3.72      
12 E 148 145 0.01      
12 E 148 145 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 9841.9 cm-1
Scaled (by 0.9828) Zero Point Vibrational Energy (zpe) 9672.6 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 B97D3/6-31+G**
ABC
0.03492 0.03492 0.02075

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-31+G**

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.472
C2 0.000 0.000 1.988
Br3 0.000 1.849 -0.208
Br4 1.601 -0.924 -0.208
Br5 -1.601 -0.924 -0.208
H6 0.000 -1.034 2.352
H7 0.895 0.517 2.352
H8 -0.895 0.517 2.352

Atom - Atom Distances (Å)
  C1 C2 Br3 Br4 Br5 H6 H7 H8
C11.51591.96991.96991.96992.14582.14582.1458
C21.51592.87052.87052.87051.09631.09631.0963
Br31.96992.87053.20233.20233.85553.02163.0216
Br41.96992.87053.20233.20233.02163.02163.8555
Br51.96992.87053.20233.20233.02163.85553.0216
H62.14581.09633.85553.02163.02161.79091.7909
H72.14581.09633.02163.02163.85551.79091.7909
H82.14581.09633.02163.85553.02161.79091.7909

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 109.423 C1 C2 H7 109.423
C1 C2 H8 109.423 C2 C1 Br3 109.887
C2 C1 Br4 109.887 C2 C1 Br5 109.887
Br3 C1 Br4 109.052 Br3 C1 Br5 109.052
Br4 C1 Br5 109.052 H6 C2 H7 109.520
H6 C2 H8 109.520 H7 C2 H8 109.520
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.353      
2 C -0.336      
3 Br 0.033      
4 Br 0.033      
5 Br 0.033      
6 H 0.196      
7 H 0.196      
8 H 0.196      


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 1.759 1.759
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -67.582 0.000 0.000
y 0.000 -67.582 0.000
z 0.000 0.000 -64.198
Traceless
 xyz
x -1.692 0.000 0.000
y 0.000 -1.692 0.000
z 0.000 0.000 3.384
Polar
3z2-r26.767
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 13.858 0.000 0.000
y 0.000 13.858 -0.001
z 0.000 -0.001 10.853


<r2> (average value of r2) Å2
<r2> 449.819
(<r2>)1/2 21.209