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

using model chemistry: B2PLYP=FULL/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B2PLYP=FULL/6-311G**
 hartrees
Energy at 0K-2652.963666
Energy at 298.15K 
HF Energy-2652.694128
Nuclear repulsion energy163.360603
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 B2PLYP=FULL/6-311G**
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' 3133 3133 28.30 65.43 0.46 0.63
2 A' 3118 3118 3.19 131.16 0.23 0.37
3 A' 3057 3057 19.12 164.43 0.06 0.12
4 A' 1515 1515 2.55 7.75 0.75 0.86
5 A' 1502 1502 1.20 10.63 0.72 0.84
6 A' 1430 1430 4.87 3.06 0.75 0.85
7 A' 1303 1303 60.59 3.73 0.65 0.78
8 A' 1092 1092 0.09 4.01 0.39 0.56
9 A' 987 987 15.07 4.91 0.74 0.85
10 A' 573 573 16.13 19.07 0.27 0.42
11 A' 290 290 2.01 2.43 0.49 0.66
12 A" 3187 3187 12.57 30.53 0.75 0.86
13 A" 3149 3149 8.15 86.69 0.75 0.86
14 A" 1500 1500 9.22 10.74 0.75 0.86
15 A" 1281 1281 0.73 3.12 0.75 0.86
16 A" 1051 1051 0.37 5.25 0.75 0.86
17 A" 784 784 4.37 0.21 0.75 0.86
18 A" 271 271 0.00 0.06 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 14610.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 14610.7 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 B2PLYP=FULL/6-311G**
ABC
1.00892 0.12487 0.11596

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.574 -2.039 0.000
C2 0.599 -1.078 0.000
Br3 0.000 0.798 0.000
H4 1.218 -1.183 0.887
H5 1.218 -1.183 -0.887
H6 -0.197 -3.066 0.000
H7 -1.196 -1.900 0.884
H8 -1.196 -1.900 -0.884

Atom - Atom Distances (Å)
  C1 C2 Br3 H4 H5 H6 H7 H8
C11.51552.89412.17482.17481.09421.09031.0903
C21.51551.96981.08711.08712.14102.16312.1631
Br32.89411.96982.48912.48913.86913.08123.0812
H42.17481.08712.48911.77492.51722.51833.0792
H52.17481.08712.48911.77492.51723.07922.5183
H61.09422.14103.86912.51722.51721.77171.7717
H71.09032.16313.08122.51833.07921.77171.7689
H81.09032.16313.08123.07922.51831.77171.7689

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 111.614 C1 C2 H4 112.317
C1 C2 H5 112.317 C2 C1 H6 109.189
C2 C1 H7 111.176 C2 C1 H8 111.176
Br3 C2 H4 105.351 Br3 C2 H5 105.351
H4 C2 H5 109.439 H6 C1 H7 108.391
H6 C1 H8 108.391 H7 C1 H8 108.433
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability