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

using model chemistry: QCISD(T)=FULL/daug-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 QCISD(T)=FULL/daug-cc-pVDZ
 hartrees
Energy at 0K-2651.570032
Energy at 298.15K 
HF Energy-2651.047736
Nuclear repulsion energy162.959418
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 QCISD(T)=FULL/daug-cc-pVDZ
Rotational Constants (cm-1) from geometry optimized at QCISD(T)=FULL/daug-cc-pVDZ
ABC
0.98339 0.12511 0.11594

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)=FULL/daug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.581 -2.035 0.000
C2 0.608 -1.078 0.000
Br3 0.000 0.797 0.000
H4 1.232 -1.187 0.899
H5 1.232 -1.187 -0.899
H6 -0.213 -3.077 0.000
H7 -1.207 -1.883 0.894
H8 -1.207 -1.883 -0.894

Atom - Atom Distances (Å)
  C1 C2 Br3 H4 H5 H6 H7 H8
C11.52632.89112.19402.19401.10561.10211.1021
C21.52631.97161.09931.09932.16132.17772.1777
Br32.89111.97162.50262.50263.88043.07243.0724
H42.19401.09932.50261.79722.54342.53633.1060
H52.19401.09932.50261.79722.54343.10602.5363
H61.10562.16133.88042.54342.54341.79291.7929
H71.10212.17773.07242.53633.10601.79291.7887
H81.10212.17773.07243.10602.53631.79291.7887

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 110.842 C1 C2 H4 112.335
C1 C2 H5 112.335 C2 C1 H6 109.370
C2 C1 H7 110.859 C2 C1 H8 110.859
Br3 C2 H4 105.625 Br3 C2 H5 105.625
H4 C2 H5 109.658 H6 C1 H7 108.607
H6 C1 H8 108.607 H7 C1 H8 108.479
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability