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All results from a given calculation for C2H5Br (Ethyl bromide)

using model chemistry: B97D3/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B97D3/STO-3G
 hartrees
Energy at 0K-2625.577468
Energy at 298.15K 
HF Energy-2625.577468
Nuclear repulsion energy162.037844
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/STO-3G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3402 3402 1.42 39.57 0.73 0.84
2 A' 3255 3255 4.82 35.09 0.15 0.27
3 A' 3236 3236 1.45 61.42 0.02 0.03
4 A' 1651 1651 1.49 8.08 0.74 0.85
5 A' 1617 1617 1.07 20.20 0.75 0.86
6 A' 1535 1535 0.40 7.21 0.63 0.77
7 A' 1391 1391 38.52 2.33 0.58 0.73
8 A' 1132 1132 3.08 4.69 0.56 0.72
9 A' 1045 1045 8.28 4.22 0.73 0.84
10 A' 667 667 4.14 12.25 0.30 0.46
11 A' 297 297 1.10 2.32 0.54 0.70
12 A" 3420 3420 2.65 15.63 0.75 0.86
13 A" 3369 3369 2.72 41.89 0.75 0.86
14 A" 1640 1640 3.24 17.11 0.75 0.86
15 A" 1351 1351 0.12 11.46 0.75 0.86
16 A" 1112 1112 1.35 5.38 0.75 0.86
17 A" 813 813 3.66 0.48 0.75 0.86
18 A" 240 240 0.06 0.05 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 15585.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 15585.3 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/STO-3G
ABC
0.98666 0.12271 0.11394

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.581 -2.068 0.000
C2 0.604 -1.058 0.000
Br3 0.000 0.804 0.000
H4 1.238 -1.213 0.898
H5 1.238 -1.213 -0.898
H6 -0.186 -3.103 0.000
H7 -1.212 -1.932 0.898
H8 -1.212 -1.932 -0.898

Atom - Atom Distances (Å)
  C1 C2 Br3 H4 H5 H6 H7 H8
C11.55642.93002.20182.20181.10821.10621.1062
C21.55641.95781.11071.11072.19142.20602.2060
Br32.93001.95782.53142.53143.91133.12433.1243
H42.20181.11072.53141.79692.53102.55343.1223
H52.20181.11072.53141.79692.53103.12232.5534
H61.10822.19143.91132.53102.53101.79791.7979
H71.10622.20603.12432.55343.12231.79791.7968
H81.10622.20603.12433.12232.55341.79791.7968

picture of Ethyl bromide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 Br3 112.473 C1 C2 H4 110.162
C1 C2 H5 110.162 C2 C1 H6 109.507
C2 C1 H7 110.759 C2 C1 H8 110.759
Br3 C2 H4 107.962 Br3 C2 H5 107.962
H4 C2 H5 107.977 H6 C1 H7 108.569
H6 C1 H8 108.569 H7 C1 H8 108.618
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.210      
2 C -0.167      
3 Br -0.040      
4 H 0.088      
5 H 0.088      
6 H 0.079      
7 H 0.081      
8 H 0.081      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.372 -1.540 0.000 1.584
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.145 -0.593 0.000
y -0.593 -28.353 0.000
z 0.000 0.000 -29.319
Traceless
 xyz
x -0.309 -0.593 0.000
y -0.593 0.879 0.000
z 0.000 0.000 -0.570
Polar
3z2-r2-1.140
x2-y2-0.792
xy-0.593
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.867 -0.415 0.000
y -0.415 3.835 0.000
z 0.000 0.000 1.687


<r2> (average value of r2) Å2
<r2> 106.589
(<r2>)1/2 10.324