return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for CH2FCH2CH2F (1,3-difluoropropane)

using model chemistry: CISD/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at CISD/cc-pVTZ
 hartrees
Energy at 0K-316.969056
Energy at 298.15K 
HF Energy-316.087791
Nuclear repulsion energy189.617635
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 CISD/cc-pVTZ
Rotational Constants (cm-1) from geometry optimized at CISD/cc-pVTZ
ABC
0.31806 0.09850 0.09284

See section I.F.4 to change rotational constant units
Geometric Data calculated at CISD/cc-pVTZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.959
C2 0.000 1.253 0.125
C3 0.000 -1.253 0.125
F4 1.165 1.324 -0.599
F5 -1.165 -1.324 -0.599
H6 0.875 -0.004 1.598
H7 -0.875 0.004 1.598
H8 -0.824 1.258 -0.574
H9 -0.055 2.135 0.747
H10 0.824 -1.258 -0.574
H11 0.055 -2.135 0.747

Atom - Atom Distances (Å)
  C1 C2 C3 F4 F5 H6 H7 H8 H9 H10 H11
C11.50561.50562.35322.35321.08321.08322.14732.14662.14732.1466
C21.50562.50681.37332.91962.12492.12061.08041.08072.73383.4459
C31.50562.50682.91961.37332.12062.12492.73383.44591.08041.0807
F42.35321.37332.91963.52672.58363.27571.98991.98972.60433.8744
F52.35322.91961.37333.52673.27572.58362.60433.87441.98991.9897
H61.08322.12492.12062.58363.27571.74933.03222.48272.50862.4372
H71.08322.12062.12493.27572.58361.74932.50862.43723.03222.4827
H82.14731.08042.73381.98992.60433.03222.50861.76263.00743.7459
H92.14661.08073.44591.98973.87442.48272.43721.76263.74594.2721
H102.14732.73381.08042.60431.98992.50863.03223.00743.74591.7626
H112.14663.44591.08073.87441.98972.43722.48273.74594.27211.7626

picture of 1,3-difluoropropane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F4 109.567 C1 C2 H8 111.208
C1 C2 H9 111.126 C1 C3 F5 109.567
C1 C3 H10 111.208 C1 C3 H11 111.126
C2 C1 C3 112.715 C2 C1 H6 109.246
C2 C1 H7 108.905 C3 C1 H6 108.905
C3 C1 H7 109.246 F4 C2 H8 107.788
F4 C2 H9 107.745 F5 C3 H10 107.788
F5 C3 H11 107.745 H6 C1 H7 107.698
H8 C2 H9 109.286 H10 C3 H11 109.286
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability