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All results from a given calculation for C5H10O (Pentanal)

using model chemistry: TPSSh/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at TPSSh/6-31G(2df,p)
 hartrees
Energy at 0K-271.809553
Energy at 298.15K-271.820227
HF Energy-271.809553
Nuclear repulsion energy230.464567
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 TPSSh/6-31G(2df,p)
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3105 2996 40.87      
2 A' 3040 2934 35.92      
3 A' 3030 2924 24.57      
4 A' 3013 2907 30.20      
5 A' 3000 2895 20.38      
6 A' 2858 2758 168.80      
7 A' 1810 1746 136.97      
8 A' 1521 1467 3.21      
9 A' 1505 1452 0.44      
10 A' 1494 1441 1.22      
11 A' 1456 1405 14.53      
12 A' 1422 1372 11.96      
13 A' 1417 1367 0.04      
14 A' 1397 1348 3.16      
15 A' 1361 1313 16.97      
16 A' 1273 1228 1.49      
17 A' 1132 1092 9.50      
18 A' 1067 1030 0.96      
19 A' 1033 997 2.71      
20 A' 914 882 1.05      
21 A' 883 853 13.59      
22 A' 682 658 12.02      
23 A' 384 370 1.55      
24 A' 278 268 4.24      
25 A' 129 124 4.52      
26 A" 3101 2993 66.14      
27 A" 3082 2974 23.54      
28 A" 3041 2935 6.90      
29 A" 3025 2919 10.38      
30 A" 1510 1457 4.84      
31 A" 1329 1283 0.22      
32 A" 1309 1263 0.09      
33 A" 1236 1193 0.01      
34 A" 1157 1116 0.06      
35 A" 968 934 0.80      
36 A" 844 814 0.05      
37 A" 735 709 1.85      
38 A" 659 636 2.68      
39 A" 233 225 0.00      
40 A" 184 178 0.94      
41 A" 109 105 1.01      
42 A" 67 65 1.66      

Unscaled Zero Point Vibrational Energy (zpe) 30893.4 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 29812.1 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at TPSSh/6-31G(2df,p)
ABC
0.34377 0.04868 0.04402

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.840 -2.063 0.000
C2 -0.359 -1.138 0.000
C3 0.000 0.349 0.000
C4 -1.235 1.259 0.000
C5 -0.872 2.749 0.000
O6 1.990 -1.697 0.000
H7 0.583 -3.148 0.000
H8 -0.976 -1.403 0.872
H9 -0.976 -1.403 -0.872
H10 0.624 0.566 -0.875
H11 0.624 0.566 0.875
H12 -1.854 1.034 0.878
H13 -1.854 1.034 -0.878
H14 -1.769 3.377 0.000
H15 -0.280 3.010 -0.884
H16 -0.280 3.010 0.884

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 O6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
C11.51432.55423.91735.10781.20641.11542.12032.12032.77952.77954.19784.19786.03345.26995.2699
C21.51431.53012.55283.92132.41442.21981.10061.10062.15352.15352.77932.77934.73044.24234.2423
C32.55421.53011.53432.55382.85413.54572.18692.18691.09621.09622.16312.16313.50692.81802.8180
C43.91732.55281.53431.53344.37504.76802.81342.81342.16822.16821.09811.09812.18392.18142.1814
C55.10783.92132.55381.53345.28786.07454.24394.24392.78722.78722.16332.16331.09481.09561.0956
O61.20642.41442.85414.37505.28782.02123.10543.10542.78472.78474.79654.79656.31475.30005.3000
H71.11542.21983.54574.76806.07452.02122.49772.49773.81663.81664.91944.91946.93636.28116.2811
H82.12031.10062.18692.81344.24393.10542.49771.74433.08052.53722.58993.12584.92304.80024.4673
H92.12031.10062.18692.81344.24393.10542.49771.74432.53723.08053.12582.58994.92304.46734.8002
H102.77952.15351.09622.16822.78722.78473.81663.08052.53721.74963.07142.52203.79362.60543.1436
H112.77952.15351.09622.16822.78722.78473.81662.53723.08051.74962.52203.07143.79363.14362.6054
H124.19782.77932.16311.09812.16334.79654.91942.58993.12583.07142.52201.75632.50403.08082.5269
H134.19782.77932.16311.09812.16334.79654.91943.12582.58992.52203.07141.75632.50402.52693.0808
H146.03344.73043.50692.18391.09486.31476.93634.92304.92303.79363.79362.50402.50401.77031.7703
H155.26994.24232.81802.18141.09565.30006.28114.80024.46732.60543.14363.08082.52691.77031.7685
H165.26994.24232.81802.18141.09565.30006.28114.46734.80023.14362.60542.52693.08081.77031.7685

picture of Pentanal state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 114.059 C1 C2 H8 107.296
C1 C2 H9 107.296 C2 C1 O6 124.712
C2 C1 H7 114.300 C2 C3 C4 112.821
C2 C3 H10 109.044 C2 C3 H11 109.044
C3 C2 H8 111.414 C3 C2 H9 111.414
C3 C4 C5 112.704 C3 C4 H12 109.393
C3 C4 H13 109.393 C4 C3 H10 109.904
C4 C3 H11 109.904 C4 C5 H14 111.293
C4 C5 H15 111.043 C4 C5 H16 111.043
C5 C4 H12 109.472 C5 C4 H13 109.472
O6 C1 H7 120.988 H8 C2 H9 104.830
H10 C3 H11 105.883 H12 C4 H13 106.197
H14 C5 H15 107.839 H14 C5 H16 107.839
H15 C5 H16 107.621
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability