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All results from a given calculation for HCOOC2H5 (Ethyl formate)

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

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS trans 1A'
Energy calculated at CCD/6-31+G**
 hartrees
Energy at 0K-267.657454
Energy at 298.15K 
HF Energy-266.843540
Nuclear repulsion energy177.475354
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 CCD/6-31+G**
Rotational Constants (cm-1) from geometry optimized at CCD/6-31+G**
ABC
0.59594 0.09641 0.08564

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.180 -0.262 0.000
C2 -0.698 -0.568 0.000
O3 0.000 0.700 0.000
C4 1.339 0.624 0.000
O5 1.989 -0.396 0.000
H6 -2.745 -1.194 0.000
H7 -2.454 0.311 0.885
H8 -2.454 0.311 -0.885
H9 -0.395 -1.131 -0.883
H10 -0.395 -1.131 0.883
H11 1.765 1.631 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 C4 O5 H6 H7 H8 H9 H10 H11
C11.51332.38273.62884.17071.09061.08941.08942.17252.17254.3751
C21.51331.44782.36022.69222.14122.15432.15431.08991.08993.3014
O32.38271.44781.34142.27083.33572.63802.63802.07122.07121.9950
C43.62882.36021.34141.20894.47113.90793.90792.62072.62071.0930
O54.17072.69222.27081.20894.80124.58514.58512.64652.64652.0386
H61.09062.14123.33574.47114.80121.77011.77012.51142.51145.3219
H71.08942.15432.63803.90794.58511.77011.77063.07322.51364.5085
H81.08942.15432.63803.90794.58511.77011.77062.51363.07324.5085
H92.17251.08992.07122.62072.64652.51143.07322.51361.76573.6156
H102.17251.08992.07122.62072.64652.51142.51363.07321.76573.6156
H114.37513.30141.99501.09302.03865.32194.50854.50853.61563.6156

picture of Ethyl formate state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 107.136 C1 C2 H9 112.115
C1 C2 H10 112.115 C2 C1 H6 109.563
C2 C1 H7 110.675 C2 C1 H8 110.675
C2 O3 C4 115.551 O3 C2 H9 108.585
O3 C2 H10 108.585 O3 C4 O5 125.769
O3 C4 H11 109.650 O5 C4 H11 124.581
H6 C1 H7 108.578 H6 C1 H8 108.578
H7 C1 H8 108.716 H9 C2 H10 108.196
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability