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

using model chemistry: QCISD(T)=FULL/aug-cc-pVTZ

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/aug-cc-pVTZ
 hartrees
Energy at 0K-2651.888942
Energy at 298.15K 
HF Energy-2651.143422
Nuclear repulsion energy165.241586
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/aug-cc-pVTZ
Rotational Constants (cm-1) from geometry optimized at QCISD(T)=FULL/aug-cc-pVTZ
ABC
1.01107 0.12856 0.11914

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.573 -2.010 0.000
C2 0.600 -1.059 0.000
Br3 0.000 0.786 0.000
H4 1.216 -1.168 0.885
H5 1.216 -1.168 -0.885
H6 -0.208 -3.039 0.000
H7 -1.192 -1.860 0.883
H8 -1.192 -1.860 -0.883

Atom - Atom Distances (Å)
  C1 C2 Br3 H4 H5 H6 H7 H8
C11.50932.85392.16612.16611.09211.08901.0890
C21.50931.94041.08431.08432.13802.15222.1522
Br32.85391.94042.46632.46633.83073.03383.0338
H42.16611.08432.46631.77072.51212.50563.0669
H52.16611.08432.46631.77072.51213.06692.5056
H61.09212.13803.83072.51212.51211.77161.7716
H71.08902.15223.03382.50563.06691.77161.7663
H81.08902.15223.03383.06692.50561.77161.7663

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 111.023 C1 C2 H4 112.230
C1 C2 H5 112.230 C2 C1 H6 109.502
C2 C1 H7 110.813 C2 C1 H8 110.813
Br3 C2 H4 105.742 Br3 C2 H5 105.742
H4 C2 H5 109.478 H6 C1 H7 108.635
H6 C1 H8 108.635 H7 C1 H8 108.385
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability