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

using model chemistry: B3LYPultrafine/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYPultrafine/TZVP
 hartrees
Energy at 0K-2653.440981
Energy at 298.15K 
HF Energy-2653.440981
Nuclear repulsion energy162.466050
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 B3LYPultrafine/TZVP
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' 3107 2993 26.74 73.50 0.07 0.14
2 A' 3092 2979 1.40 131.14 0.40 0.57
3 A' 3029 2918 19.39 202.35 0.08 0.15
4 A' 1503 1448 2.94 7.08 0.75 0.86
5 A' 1492 1437 1.27 10.82 0.74 0.85
6 A' 1421 1369 5.10 3.90 0.65 0.79
7 A' 1283 1236 63.92 6.16 0.62 0.76
8 A' 1079 1039 0.08 4.43 0.40 0.57
9 A' 974 938 18.23 5.17 0.73 0.84
10 A' 547 527 18.92 21.02 0.31 0.47
11 A' 283 272 2.58 2.76 0.48 0.65
12 A" 3166 3050 8.81 37.13 0.75 0.86
13 A" 3119 3005 9.10 81.99 0.75 0.86
14 A" 1487 1433 10.10 11.16 0.75 0.86
15 A" 1269 1222 0.67 3.41 0.75 0.86
16 A" 1035 997 0.23 4.71 0.75 0.86
17 A" 779 750 4.06 0.23 0.75 0.86
18 A" 260 250 0.01 0.08 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 14461.0 cm-1
Scaled (by 0.9634) Zero Point Vibrational Energy (zpe) 13931.8 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 B3LYPultrafine/TZVP
ABC
1.01054 0.12312 0.11446

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.572 -2.051 0.000
C2 0.598 -1.093 0.000
Br3 0.000 0.804 0.000
H4 1.217 -1.188 0.887
H5 1.217 -1.188 -0.887
H6 -0.194 -3.078 0.000
H7 -1.196 -1.918 0.884
H8 -1.196 -1.918 -0.884

Atom - Atom Distances (Å)
  C1 C2 Br3 H4 H5 H6 H7 H8
C11.51232.91162.17562.17561.09471.09021.0902
C21.51231.98881.08621.08622.13752.16372.1637
Br32.91161.98882.49752.49753.88703.10223.1022
H42.17561.08622.49751.77482.52012.52113.0813
H52.17561.08622.49751.77482.52013.08132.5211
H61.09472.13753.88702.52012.52011.76931.7693
H71.09022.16373.10222.52113.08131.76931.7686
H81.09022.16373.10223.08132.52111.76931.7686

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 111.808 C1 C2 H4 112.669
C1 C2 H5 112.669 C2 C1 H6 109.098
C2 C1 H7 111.455 C2 C1 H8 111.455
Br3 C2 H4 104.782 Br3 C2 H5 104.782
H4 C2 H5 109.560 H6 C1 H7 108.151
H6 C1 H8 108.151 H7 C1 H8 108.422
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.334      
2 C -0.172      
3 Br -0.166      
4 H 0.146      
5 H 0.146      
6 H 0.119      
7 H 0.131      
8 H 0.131      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.487 -2.223 0.000 2.276
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.184 -1.040 0.000
y -1.040 -30.222 0.000
z 0.000 0.000 -32.475
Traceless
 xyz
x -0.835 -1.040 0.000
y -1.040 2.108 0.000
z 0.000 0.000 -1.272
Polar
3z2-r2-2.544
x2-y2-1.962
xy-1.040
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.309 -0.279 0.000
y -0.279 8.445 0.000
z 0.000 0.000 4.936


<r2> (average value of r2) Å2
<r2> 107.547
(<r2>)1/2 10.370