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

using model chemistry: CCSD=FULL/Def2TZVPP

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/Def2TZVPP
 hartrees
Energy at 0K-2651.864473
Energy at 298.15K 
HF Energy-2651.098044
Nuclear repulsion energy164.986261
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/Def2TZVPP
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' 3138 3138 26.19      
2 A' 3125 3125 1.34      
3 A' 3062 3062 17.62      
4 A' 1518 1518 1.83      
5 A' 1506 1506 1.22      
6 A' 1438 1438 4.10      
7 A' 1313 1313 46.77      
8 A' 1103 1103 0.06      
9 A' 1001 1001 10.66      
10 A' 608 608 11.41      
11 A' 293 293 1.21      
12 A" 3191 3191 7.83      
13 A" 3150 3150 7.77      
14 A" 1508 1508 8.56      
15 A" 1292 1292 0.31      
16 A" 1061 1061 0.20      
17 A" 779 779 2.86      
18 A" 270 270 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 14677.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 14677.6 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/Def2TZVPP
ABC
1.01276 0.12791 0.11858

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD=FULL/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.573 -2.016 0.000
C2 0.599 -1.061 0.000
Br3 0.000 0.788 0.000
H4 1.216 -1.171 0.883
H5 1.216 -1.171 -0.883
H6 -0.206 -3.042 0.000
H7 -1.192 -1.870 0.881
H8 -1.192 -1.870 -0.881

Atom - Atom Distances (Å)
  C1 C2 Br3 H4 H5 H6 H7 H8
C11.51242.86212.16672.16671.08951.08641.0864
C21.51241.94331.08261.08262.13882.15372.1537
Br32.86211.94332.46912.46913.83563.04333.0433
H42.16671.08262.46911.76552.51052.50713.0654
H52.16671.08262.46911.76552.51053.06542.5071
H61.08952.13883.83562.51052.51051.76651.7665
H71.08642.15373.04332.50713.06541.76651.7624
H81.08642.15373.04333.06542.50711.76651.7624

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 111.222 C1 C2 H4 112.160
C1 C2 H5 112.160 C2 C1 H6 109.505
C2 C1 H7 110.876 C2 C1 H8 110.876
Br3 C2 H4 105.832 Br3 C2 H5 105.832
H4 C2 H5 109.254 H6 C1 H7 108.556
H6 C1 H8 108.556 H7 C1 H8 108.407
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability