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All results from a given calculation for CH3OC2H5 (Ethane, methoxy-)

using model chemistry: QCISD/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/aug-cc-pVTZ
 hartrees
Energy at 0K-194.007912
Energy at 298.15K 
HF Energy-193.181952
Nuclear repulsion energy133.844256
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/aug-cc-pVTZ
Rotational Constants (cm-1) from geometry optimized at QCISD/aug-cc-pVTZ
ABC
0.94361 0.13936 0.13036

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.316 1.231 0.000
O2 0.013 0.710 0.000
C3 0.000 -0.698 0.000
C4 -1.440 -1.168 0.000
H5 1.237 2.317 0.000
H6 1.876 0.915 0.889
H7 1.876 0.915 -0.889
H8 0.528 -1.079 -0.885
H9 0.528 -1.079 0.885
H10 -1.482 -2.258 0.000
H11 -1.959 -0.798 0.885
H12 -1.959 -0.798 -0.885

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12
C11.40382.33563.65411.08861.09741.09742.59682.59684.47293.95263.9526
O21.40381.40812.37412.02072.07472.07472.06162.06163.32322.63472.6347
C32.33561.40811.51483.25932.62942.62941.09891.09892.15182.15162.1516
C43.65412.37411.51484.39474.01584.01582.16012.16011.09111.09031.0903
H51.08862.02073.25934.39471.77851.77853.58073.58075.32254.54964.5496
H61.09742.07472.62944.01581.77851.77892.99072.40734.70524.19974.5591
H71.09742.07472.62944.01581.77851.77892.40732.99074.70524.55914.1997
H82.59682.06161.09892.16013.58072.99072.40731.77032.49303.06542.5028
H92.59682.06161.09892.16013.58072.40732.99071.77032.49302.50283.0654
H104.47293.32322.15181.09115.32254.70524.70522.49302.49301.77281.7728
H113.95262.63472.15161.09034.54964.19974.55913.06542.50281.77281.7695
H123.95262.63472.15161.09034.54964.55914.19972.50283.06541.77281.7695

picture of Ethane, methoxy- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 C3 112.323 O2 C1 H5 107.667
O2 C1 H6 111.508 O2 C1 H7 111.508
O2 C3 C4 108.573 O2 C3 H8 110.023
O2 C3 H9 110.023 C3 C4 H10 110.270
C3 C4 H11 110.298 C3 C4 H12 110.298
C4 C3 H8 110.455 C4 C3 H9 110.455
H5 C1 H6 108.901 H5 C1 H7 108.901
H6 C1 H7 108.296 H8 C3 H9 107.310
H10 C4 H11 108.721 H10 C4 H12 108.721
H11 C4 H12 108.484
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability