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

using model chemistry: CCSD=FULL/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 CCSD=FULL/cc-pVDZ
 hartrees
Energy at 0K-2651.514734
Energy at 298.15K 
HF Energy-2651.040309
Nuclear repulsion energy163.306772
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 CCSD=FULL/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' 3156 3156 20.54      
2 A' 3127 3127 12.05      
3 A' 3071 3071 19.88      
4 A' 1501 1501 1.57      
5 A' 1491 1491 0.68      
6 A' 1419 1419 2.16      
7 A' 1296 1296 54.60      
8 A' 1099 1099 0.05      
9 A' 996 996 9.70      
10 A' 591 591 12.30      
11 A' 293 293 1.42      
12 A" 3198 3198 14.77      
13 A" 3171 3171 5.09      
14 A" 1488 1488 7.01      
15 A" 1273 1273 0.43      
16 A" 1046 1046 0.23      
17 A" 775 775 3.00      
18 A" 273 273 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 14631.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 14631.2 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 CCSD=FULL/cc-pVDZ
ABC
0.99496 0.12532 0.11626

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.577 -2.036 0.000
C2 0.602 -1.071 0.000
Br3 0.000 0.796 0.000
H4 1.230 -1.184 0.896
H5 1.230 -1.184 -0.896
H6 -0.200 -3.075 0.000
H7 -1.205 -1.891 0.894
H8 -1.205 -1.891 -0.894

Atom - Atom Distances (Å)
  C1 C2 Br3 H4 H5 H6 H7 H8
C11.52302.89022.18892.18891.10531.10231.1023
C21.52301.96161.10001.10002.15852.17622.1762
Br32.89021.96162.49762.49763.87643.07793.0779
H42.18891.10002.49761.79152.53412.53533.1035
H52.18891.10002.49761.79152.53413.10352.5353
H61.10532.15853.87642.53412.53411.79181.7918
H71.10232.17623.07792.53533.10351.79181.7882
H81.10232.17623.07793.10352.53531.79181.7882

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 111.459 C1 C2 H4 112.119
C1 C2 H5 112.119 C2 C1 H6 109.394
C2 C1 H7 110.963 C2 C1 H8 110.963
Br3 C2 H4 105.864 Br3 C2 H5 105.864
H4 C2 H5 109.038 H6 C1 H7 108.520
H6 C1 H8 108.520 H7 C1 H8 108.413
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability