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

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

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/cc-pVTZ-PP
 hartrees
Energy at 0K-494.899117
Energy at 298.15K 
HF Energy-494.187820
Nuclear repulsion energy128.333530
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/cc-pVTZ-PP
Rotational Constants (cm-1) from geometry optimized at QCISD(T)=FULL/cc-pVTZ-PP
ABC
1.01072 0.12782 0.11848

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.574 -2.015 0.000
C2 0.600 -1.064 0.000
Br3 0.000 0.789 0.000
H4 1.216 -1.173 0.884
H5 1.216 -1.173 -0.884
H6 -0.210 -3.043 0.000
H7 -1.191 -1.867 0.881
H8 -1.191 -1.867 -0.881

Atom - Atom Distances (Å)
  C1 C2 Br3 H4 H5 H6 H7 H8
C11.51062.86172.16632.16631.09011.08661.0866
C21.51061.94771.08281.08282.13812.15212.1521
Br32.86171.94772.47142.47143.83723.04113.0411
H42.16631.08282.47141.76792.51232.50553.0650
H52.16631.08282.47141.76792.51233.06502.5055
H61.09012.13813.83722.51232.51231.76711.7671
H71.08662.15213.04112.50553.06501.76711.7629
H81.08662.15213.04113.06502.50551.76711.7629

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 111.054 C1 C2 H4 112.254
C1 C2 H5 112.254 C2 C1 H6 109.533
C2 C1 H7 110.862 C2 C1 H8 110.862
Br3 C2 H4 105.712 Br3 C2 H5 105.712
H4 C2 H5 109.452 H6 C1 H7 108.547
H6 C1 H8 108.547 H7 C1 H8 108.426
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability