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

using model chemistry: B3LYP/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at B3LYP/Def2TZVPP
 hartrees
Energy at 0K-7800.587990
Energy at 298.15K-7800.599637
HF Energy-7800.587990
Nuclear repulsion energy970.740115
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 B3LYP/Def2TZVPP
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 3052 2937 2.38      
2 A1 1416 1363 7.02      
3 A1 1045 1005 8.73      
4 A1 406 391 4.59      
5 A1 213 205 0.01      
6 A2 308 296 0.00      
7 E 3131 3014 2.62      
7 E 3131 3014 2.63      
8 E 1479 1423 3.18      
8 E 1479 1423 3.18      
9 E 1089 1049 47.74      
9 E 1089 1049 47.71      
10 E 597 575 90.74      
10 E 597 575 90.69      
11 E 276 266 2.88      
11 E 276 266 2.88      
12 E 147 141 0.00      
12 E 147 141 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 9938.5 cm-1
Scaled (by 0.9626) Zero Point Vibrational Energy (zpe) 9566.8 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 B3LYP/Def2TZVPP
ABC
0.03494 0.03494 0.02072

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/Def2TZVPP

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 1.974
Br3 0.000 1.858 -0.206
Br4 1.609 -0.929 -0.206
Br5 -1.609 -0.929 -0.206
H6 0.000 -1.025 2.339
H7 0.888 0.513 2.339
H8 -0.888 0.513 2.339

Atom - Atom Distances (Å)
  C1 C2 Br3 Br4 Br5 H6 H7 H8
C11.51791.97231.97231.97232.14432.14432.1443
C21.51792.86412.86412.86411.08841.08841.0884
Br31.97232.86413.21803.21803.84593.01273.0127
Br41.97232.86413.21803.21803.01273.01273.8459
Br51.97232.86413.21803.21803.01273.84593.0127
H62.14431.08843.84593.01273.01271.77581.7758
H72.14431.08843.01273.01273.84591.77581.7758
H82.14431.08843.01273.84593.01271.77581.7758

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 109.619 C1 C2 H7 109.619
C1 C2 H8 109.619 C2 C1 Br3 109.608
C2 C1 Br4 109.608 C2 C1 Br5 109.608
Br3 C1 Br4 109.334 Br3 C1 Br5 109.334
Br4 C1 Br5 109.334 H6 C2 H7 109.323
H6 C2 H8 109.323 H7 C2 H8 109.323
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.072      
2 C -0.254      
3 Br -0.057      
4 Br -0.057      
5 Br -0.057      
6 H 0.117      
7 H 0.117      
8 H 0.117      


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 1.691 1.691
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -67.859 0.000 0.000
y 0.000 -67.859 0.000
z 0.000 0.000 -64.574
Traceless
 xyz
x -1.643 0.000 0.000
y 0.000 -1.643 0.000
z 0.000 0.000 3.285
Polar
3z2-r26.570
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 13.549 0.000 0.000
y 0.000 13.549 0.000
z 0.000 0.000 10.665


<r2> (average value of r2) Å2
<r2> 450.008
(<r2>)1/2 21.213