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All results from a given calculation for C5H10O (2-methylbutyraldehyde)

using model chemistry: CCSD/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at CCSD/cc-pVTZ
 hartrees
Energy at 0K-271.260004
Energy at 298.15K 
HF Energy-270.117337
Nuclear repulsion energy240.562056
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 CCSD/cc-pVTZ
Rotational Constants (cm-1) from geometry optimized at CCSD/cc-pVTZ
ABC
0.23542 0.07044 0.05884

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.372 -0.693 0.219
C2 -0.084 0.076 0.406
C3 1.045 -0.688 -0.304
C4 2.438 -0.145 0.007
C5 -0.224 1.522 -0.048
O6 -2.384 -0.247 -0.260
H7 -1.330 -1.748 0.551
H8 0.125 0.042 1.483
H9 0.999 -1.741 -0.013
H10 0.867 -0.655 -1.382
H11 3.206 -0.753 -0.470
H12 2.558 0.878 -0.347
H13 2.625 -0.151 1.083
H14 -0.387 1.569 -1.126
H15 -1.078 1.998 0.432
H16 0.670 2.097 0.191

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 O6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
C11.51222.47333.85462.50961.20531.10682.09302.60282.75274.62994.27024.12462.80942.71513.4571
C21.51221.53672.56201.52252.41672.21421.09782.15612.15303.50372.86162.80072.16002.16362.1671
C32.47331.53671.52622.56153.45832.73842.13831.09361.09382.16792.17762.16872.79623.50142.8527
C43.85462.56201.52623.14114.83034.13062.74962.14852.15821.09001.08951.09173.49254.13852.8606
C52.50961.52252.56153.14112.80023.50412.15833.48522.77674.13752.87123.49231.09061.08861.0889
O61.20532.41673.45834.83032.80022.00553.06883.70713.46385.61725.06955.18652.83452.68733.8757
H71.10682.21422.73844.13063.50412.00552.48822.39693.12424.75524.77734.29793.83423.75594.3486
H82.09301.09782.13832.74962.15833.06882.48822.48613.04083.73363.15732.53873.06562.52512.4874
H92.60282.15611.09362.14853.48523.70712.39692.48611.75302.46083.06612.52323.75684.29973.8569
H102.75272.15301.09382.15822.77673.46383.12423.04081.75302.51242.50623.06902.56553.75603.1756
H114.62993.50372.16791.09004.13755.61724.75523.73362.46082.51241.75931.76394.32755.16993.8714
H124.27022.86162.17761.08952.87125.06954.77733.15733.06612.50621.75931.76363.12343.88312.3107
H134.12462.80072.16871.09173.49235.18654.29792.53872.52323.06901.76391.76364.11184.33023.1099
H142.80942.16002.79623.49251.09062.83453.83423.06563.75682.56554.32753.12344.11181.75691.7689
H152.71512.16363.50144.13851.08862.68733.75592.52514.29973.75605.16993.88314.33021.75691.7668
H163.45712.16712.85272.86061.08893.87574.34862.48743.85693.17563.87142.31073.10991.76891.7668

picture of 2-methylbutyraldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 108.422 C1 C2 C5 111.572
C1 C2 H8 105.530 C2 C1 O6 125.192
C2 C1 H7 114.548 C2 C3 C4 113.534
C2 C3 H9 108.949 C2 C3 H10 108.693
C2 C5 H14 110.407 C2 C5 H15 110.818
C2 C5 H16 111.078 C3 C2 C5 113.714
C3 C2 H8 107.343 C3 C4 H11 110.822
C3 C4 H12 111.625 C3 C4 H13 110.781
C4 C3 H9 109.073 C4 C3 H10 109.823
C5 C2 H8 109.855 O6 C1 H7 120.257
H9 C3 H10 106.529 H11 C4 H12 107.646
H11 C4 H13 107.902 H12 C4 H13 107.910
H14 C5 H15 107.450 H14 C5 H16 108.509
H15 C5 H16 108.466
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability