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 C4H10O (Ethoxy ethane)

using model chemistry: MP2/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 no C2V 1A1
Energy calculated at MP2/6-31+G**
 hartrees
Energy at 0K-232.939007
Energy at 298.15K-232.950237
HF Energy-232.163891
Nuclear repulsion energy189.853255
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 MP2/6-31+G**
Rotational Constants (cm-1) from geometry optimized at MP2/6-31+G**
ABC
0.60196 0.07486 0.07008

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31+G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.274
C2 0.000 1.182 -0.522
C3 0.000 -1.182 -0.522
C4 0.000 2.374 0.409
C5 0.000 -2.374 0.409
H6 0.887 1.190 -1.169
H7 -0.887 1.190 -1.169
H8 0.887 -1.190 -1.169
H9 -0.887 -1.190 -1.169
H10 0.000 3.301 -0.166
H11 0.000 -3.301 -0.166
H12 -0.884 2.356 1.043
H13 0.884 2.356 1.043
H14 0.884 -2.356 1.043
H15 -0.884 -2.356 1.043

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13 H14 H15
O11.42521.42522.37802.37802.06992.06992.06992.06993.33043.33042.63172.63172.63172.6317
C21.42522.36411.51233.67591.09741.09742.61382.61382.14884.49732.14722.14723.96893.9689
C31.42522.36413.67591.51232.61382.61381.09741.09744.49732.14883.96893.96892.14722.1472
C42.37801.51233.67594.74852.16222.16223.99733.99731.09055.70441.08861.08864.85434.8543
C52.37803.67591.51234.74853.99733.99732.16222.16225.70441.09054.85434.85431.08861.0886
H62.06991.09742.61382.16223.99731.77332.38052.96842.49944.68653.06392.50024.17974.5395
H72.06991.09742.61382.16223.99731.77332.96842.38052.49944.68652.50023.06394.53954.1797
H82.06992.61381.09743.99732.16222.38052.96841.77334.68652.49944.53954.17972.50023.0639
H92.06992.61381.09743.99732.16222.96842.38051.77334.68652.49944.17974.53953.06392.5002
H103.33042.14884.49731.09055.70442.49942.49944.68654.68656.60221.77091.77095.85255.8525
H113.33044.49732.14885.70441.09054.68654.68652.49942.49946.60225.85255.85251.77091.7709
H122.63172.14723.96891.08864.85433.06392.50024.53954.17971.77095.85251.76885.03394.7129
H132.63172.14723.96891.08864.85432.50023.06394.17974.53951.77095.85251.76884.71295.0339
H142.63173.96892.14724.85431.08864.17974.53952.50023.06395.85251.77095.03394.71291.7688
H152.63173.96892.14724.85431.08864.53954.17973.06392.50025.85251.77094.71295.03391.7688

picture of Ethoxy ethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 C4 108.067 O1 C2 H6 109.596
O1 C2 H7 109.596 O1 C3 C5 108.067
O1 C3 H8 109.596 O1 C3 H9 109.596
C2 O1 C3 112.072 C2 C4 H10 110.243
C2 C4 H12 110.226 C2 C4 H13 110.226
C3 C5 H11 110.243 C3 C5 H14 110.226
C3 C5 H15 110.226 C4 C2 H6 110.892
C4 C2 H7 110.892 C5 C3 H8 110.892
C5 C3 H9 110.892 H6 C2 H7 107.789
H8 C3 H9 107.789 H10 C4 H12 108.720
H10 C4 H13 108.720 H11 C5 H14 108.720
H11 C5 H15 108.720 H12 C4 H13 108.661
H14 C5 H15 108.661
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability