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

using model chemistry: CID/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CID/cc-pVDZ
 hartrees
Energy at 0K-2651.444952
Energy at 298.15K 
HF Energy-2651.040681
Nuclear repulsion energy163.903070
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 CID/cc-pVDZ
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' 3220 2975 21.04      
2 A' 3195 2952 10.70      
3 A' 3133 2895 19.24      
4 A' 1532 1415 1.68      
5 A' 1524 1409 0.87      
6 A' 1453 1342 2.57      
7 A' 1330 1229 58.87      
8 A' 1122 1037 0.06      
9 A' 1017 940 11.14      
10 A' 609 563 15.04      
11 A' 300 277 1.55      
12 A" 3266 3018 12.38      
13 A" 3235 2989 6.22      
14 A" 1519 1403 7.49      
15 A" 1303 1204 0.47      
16 A" 1073 991 0.20      
17 A" 793 733 3.28      
18 A" 277 256 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 14950.6 cm-1
Scaled (by 0.924) Zero Point Vibrational Energy (zpe) 13814.3 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 CID/cc-pVDZ
ABC
1.00493 0.12608 0.11700

See section I.F.4 to change rotational constant units
Geometric Data calculated at CID/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.574 -2.031 0.000
C2 0.598 -1.066 0.000
Br3 0.000 0.794 0.000
H4 1.224 -1.178 0.891
H5 1.224 -1.178 -0.891
H6 -0.195 -3.064 0.000
H7 -1.200 -1.890 0.890
H8 -1.200 -1.890 -0.890

Atom - Atom Distances (Å)
  C1 C2 Br3 H4 H5 H6 H7 H8
C11.51862.88242.18042.18041.10011.09711.0971
C21.51861.95351.09451.09452.14992.16912.1691
Br32.88241.95352.48592.48593.86253.07143.0714
H42.18041.09452.48591.78222.52282.52613.0909
H52.18041.09452.48591.78222.52283.09092.5261
H61.10012.14993.86252.52282.52281.78301.7830
H71.09712.16913.07142.52613.09091.78301.7800
H81.09712.16913.07143.09092.52611.78301.7800

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 111.621 C1 C2 H4 112.089
C1 C2 H5 112.089 C2 C1 H6 109.323
C2 C1 H7 111.020 C2 C1 H8 111.020
Br3 C2 H4 105.823 Br3 C2 H5 105.823
H4 C2 H5 109.016 H6 C1 H7 108.488
H6 C1 H8 108.488 H7 C1 H8 108.430
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability