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All results from a given calculation for C5H10O (Pentanal)

using model chemistry: CCD/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at CCD/cc-pVDZ
 hartrees
Energy at 0K-270.989961
Energy at 298.15K-271.000839
Nuclear repulsion energy229.948788
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-pVDZ
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' 3151 3014 33.50      
2 A' 3075 2942 26.63      
3 A' 3062 2930 16.85      
4 A' 3053 2921 50.00      
5 A' 3049 2917 6.83      
6 A' 2949 2821 141.12      
7 A' 1869 1788 114.14      
8 A' 1511 1445 5.16      
9 A' 1497 1432 0.39      
10 A' 1489 1424 1.08      
11 A' 1466 1403 8.20      
12 A' 1438 1376 6.05      
13 A' 1432 1370 13.20      
14 A' 1426 1364 2.04      
15 A' 1383 1323 12.06      
16 A' 1284 1228 1.04      
17 A' 1153 1103 7.55      
18 A' 1105 1057 0.79      
19 A' 1066 1020 1.98      
20 A' 938 898 3.70      
21 A' 917 877 6.56      
22 A' 698 668 16.13      
23 A' 400 383 1.50      
24 A' 298 285 4.39      
25 A' 140 134 4.25      
26 A" 3146 3010 52.57      
27 A" 3125 2990 29.20      
28 A" 3092 2958 3.39      
29 A" 3087 2953 11.98      
30 A" 1499 1435 5.76      
31 A" 1333 1275 0.18      
32 A" 1317 1260 0.07      
33 A" 1245 1191 0.06      
34 A" 1168 1117 0.19      
35 A" 982 940 0.52      
36 A" 863 825 0.06      
37 A" 752 720 1.04      
38 A" 685 655 1.86      
39 A" 256 245 0.00      
40 A" 185 177 1.36      
41 A" 115 110 0.83      
42 A" 77 74 1.83      

Unscaled Zero Point Vibrational Energy (zpe) 31386.7 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 30027.6 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 CCD/cc-pVDZ
ABC
0.34002 0.04871 0.04401

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.822 -2.072 0.000
C2 -0.375 -1.138 0.000
C3 0.000 0.345 0.000
C4 -1.225 1.270 0.000
C5 -0.841 2.755 0.000
O6 1.974 -1.704 0.000
H7 0.570 -3.164 0.000
H8 -0.997 -1.397 0.882
H9 -0.997 -1.397 -0.882
H10 0.632 0.559 -0.883
H11 0.632 0.559 0.883
H12 -1.852 1.048 0.886
H13 -1.852 1.048 -0.886
H14 -1.736 3.403 0.000
H15 -0.240 3.007 -0.892
H16 -0.240 3.007 0.892

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 O6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
C11.51762.55303.91825.10541.20971.12132.13092.13092.78132.78134.20324.20326.04235.26475.2647
C21.51761.53032.55353.92132.41642.23541.10951.10952.16202.16202.78342.78344.74054.24254.2425
C32.55301.53031.53422.55242.84593.55562.19232.19231.10651.10652.16992.16993.51572.81752.8175
C43.91822.55351.53421.53404.36784.78332.81762.81762.17522.17521.10821.10822.19332.18752.1875
C55.10543.92132.55241.53405.27416.08534.24734.24732.78812.78812.17252.17251.10431.10561.1056
O61.20972.41642.84594.36785.27412.02593.11463.11462.77552.77554.79594.79596.31255.28165.2816
H71.12132.23543.55564.78336.08532.02592.52112.52113.82703.82704.93904.93906.95996.28786.2878
H82.13091.10952.19232.81764.24733.11462.52111.76323.09712.54552.59003.13594.93524.80774.4684
H92.13091.10952.19232.81764.24733.11462.52111.76322.54553.09713.13592.59004.93524.46844.8077
H102.78132.16201.10652.17522.78812.77553.82703.09712.54551.76533.08852.53173.80442.59863.1470
H112.78132.16201.10652.17522.78812.77553.82702.54553.09711.76532.53173.08853.80443.14702.5986
H124.20322.78342.16991.10822.17254.79594.93902.59003.13593.08852.53171.77262.51833.09852.5371
H134.20322.78342.16991.10822.17254.79594.93903.13592.59002.53173.08851.77262.51832.53713.0985
H146.04234.74053.51572.19331.10436.31256.95994.93524.93523.80443.80442.51832.51831.78681.7868
H155.26474.24252.81752.18751.10565.28166.28784.80774.46842.59863.14703.09852.53711.78681.7849
H165.26474.24252.81752.18751.10565.28166.28784.46844.80773.14702.59862.53713.09851.78681.7849

picture of Pentanal state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 113.775 C1 C2 H8 107.391
C1 C2 H9 107.391 C2 C1 O6 124.366
C2 C1 H7 114.965 C2 C3 C4 112.866
C2 C3 H10 109.097 C2 C3 H11 109.097
C3 C2 H8 111.293 C3 C2 H9 111.293
C3 C4 C5 112.587 C3 C4 H12 109.350
C3 C4 H13 109.350 C4 C3 H10 109.859
C4 C3 H11 109.859 C4 C5 H14 111.428
C4 C5 H15 110.892 C4 C5 H16 110.892
C5 C4 H12 109.568 C5 C4 H13 109.568
O6 C1 H7 120.669 H8 C2 H9 105.232
H10 C3 H11 105.816 H12 C4 H13 106.216
H14 C5 H15 107.912 H14 C5 H16 107.912
H15 C5 H16 107.652
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability