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

using model chemistry: CCD/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-267.920906
Energy at 298.15K 
HF Energy-266.930466
Nuclear repulsion energy178.531533
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/cc-pVTZ
Rotational Constants (cm-1) from geometry optimized at CCD/cc-pVTZ
ABC
0.60233 0.09763 0.08672

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.169 -0.271 0.000
C2 -0.686 -0.563 0.000
O3 0.000 0.699 0.000
C4 1.330 0.622 0.000
O5 1.973 -0.386 0.000
H6 -2.728 -1.206 0.000
H7 -2.449 0.300 0.884
H8 -2.449 0.300 -0.884
H9 -0.383 -1.129 -0.880
H10 -0.383 -1.129 0.880
H11 1.755 1.630 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 C4 O5 H6 H7 H8 H9 H10 H11
C11.51112.37593.61064.14331.08931.08861.08862.16742.16744.3595
C21.51111.43692.33842.66512.14112.15232.15231.08891.08893.2812
O32.37591.43691.33202.25193.32772.63382.63382.06452.06451.9860
C43.61062.33841.33201.19594.45083.89383.89382.60252.60251.0936
O54.14332.66512.25191.19594.77264.56114.56112.62252.62252.0275
H61.08932.14113.32774.45084.77261.76781.76782.50622.50625.3045
H71.08862.15232.63383.89384.56111.76781.76723.06872.51144.4964
H81.08862.15232.63383.89384.56111.76781.76722.51143.06874.4964
H92.16741.08892.06452.60252.62252.50623.06872.51141.75973.5989
H102.16741.08892.06452.60252.62252.50622.51143.06871.75973.5989
H114.35953.28121.98601.09362.02755.30454.49644.49643.59893.5989

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 107.373 C1 C2 H9 111.924
C1 C2 H10 111.924 C2 C1 H6 109.785
C2 C1 H7 110.723 C2 C1 H8 110.723
C2 O3 C4 115.195 O3 C2 H9 108.869
O3 C2 H10 108.869 O3 C4 O5 125.872
O3 C4 H11 109.541 O5 C4 H11 124.587
H6 C1 H7 108.517 H6 C1 H8 108.517
H7 C1 H8 108.513 H9 C2 H10 107.812
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability