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All results from a given calculation for C5H12O (1-Pentanol)

using model chemistry: MP2/CEP-121G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/CEP-121G
 hartrees
Energy at 0K-50.581854
Energy at 298.15K-50.594972
HF Energy-50.007806
Nuclear repulsion energy138.699655
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 MP2/CEP-121G
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' 3628 3541 6.57      
2 A' 3064 2991 57.33      
3 A' 2988 2916 45.42      
4 A' 2964 2893 26.33      
5 A' 2957 2886 125.63      
6 A' 2955 2884 20.63      
7 A' 2945 2875 6.51      
8 A' 1550 1513 3.27      
9 A' 1538 1501 5.92      
10 A' 1526 1489 1.45      
11 A' 1517 1480 0.74      
12 A' 1513 1476 0.22      
13 A' 1453 1418 13.34      
14 A' 1446 1411 1.60      
15 A' 1412 1378 1.22      
16 A' 1379 1346 1.44      
17 A' 1299 1268 6.31      
18 A' 1222 1193 34.11      
19 A' 1119 1092 5.85      
20 A' 1082 1056 0.54      
21 A' 1050 1025 23.74      
22 A' 991 967 29.59      
23 A' 973 950 44.50      
24 A' 888 867 8.16      
25 A' 475 464 15.31      
26 A' 357 349 0.13      
27 A' 301 294 7.39      
28 A' 129 126 2.55      
29 A" 3066 2992 178.12      
30 A" 3060 2986 2.67      
31 A" 3024 2952 10.62      
32 A" 3018 2945 39.97      
33 A" 2997 2925 4.38      
34 A" 1526 1490 7.17      
35 A" 1326 1294 1.41      
36 A" 1315 1283 0.61      
37 A" 1297 1266 0.35      
38 A" 1254 1224 0.04      
39 A" 1174 1146 1.25      
40 A" 983 960 0.74      
41 A" 868 847 0.07      
42 A" 777 759 0.54      
43 A" 714 697 1.70      
44 A" 234 228 147.05      
45 A" 225 220 13.29      
46 A" 131 127 5.71      
47 A" 90 88 4.67      
48 A" 64 62 8.13      

Unscaled Zero Point Vibrational Energy (zpe) 35931.5 cm-1
Scaled (by 0.976) Zero Point Vibrational Energy (zpe) 35069.1 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 MP2/CEP-121G
ABC
0.50635 0.03639 0.03509

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-121G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 1.307 -2.888 0.000
H2 2.193 -3.316 0.000
C3 1.445 -1.399 0.000
H4 1.996 -1.073 0.903
H5 1.996 -1.073 -0.903
C6 0.011 -0.818 0.000
H7 -0.518 -1.196 -0.893
H8 -0.518 -1.196 0.893
C9 0.000 0.745 0.000
H10 0.543 1.116 0.893
H11 0.543 1.116 -0.893
C12 -1.444 1.344 0.000
H13 -1.984 0.970 0.891
H14 -1.984 0.970 -0.891
C15 -1.452 2.907 0.000
H16 -0.934 3.297 0.895
H17 -0.934 3.297 -0.895
H18 -2.482 3.303 0.000

Atom - Atom Distances (Å)
  O1 H2 C3 H4 H5 C6 H7 H8 C9 H10 H11 C12 H13 H14 C15 H16 H17 H18
O10.98391.49562.14112.14112.44242.64442.64443.86174.17314.17315.04855.14875.14876.41876.63946.63947.2586
H20.98392.05762.42552.42553.31663.55563.55564.61554.81234.81235.91176.05046.05047.21187.36947.36948.1032
C31.49562.05761.10691.10691.54682.16582.16582.58572.81682.81683.98414.26144.26145.18985.33975.33976.1259
H42.14112.42551.10691.80582.19533.09192.51672.84702.62713.18214.30054.47324.81965.34275.26155.56006.3257
H52.14112.42551.10691.80582.19532.51673.09192.84703.18212.62714.30054.81964.47325.34275.56005.26156.3257
C62.44243.31661.54682.19532.19531.10471.10471.56352.19562.19562.60672.82322.82324.00224.31604.31604.8164
H72.64443.55562.16583.09192.51671.10471.78652.19873.10802.54382.84773.16592.61514.30174.85344.51214.9893
H82.64443.55562.16582.51673.09191.10471.78652.19872.54383.10802.84772.61513.16594.30174.51214.85344.9893
C93.86174.61552.58572.84702.84701.56352.19872.19871.10881.10881.56362.18612.18612.60412.86072.86073.5638
H104.17314.81232.81682.62713.18212.19563.10802.54381.10881.78522.19082.53123.09662.82602.63443.18353.8383
H114.17314.81232.81683.18212.62712.19562.54383.10801.10881.78522.19083.09662.53122.82603.18352.63443.8383
C125.04855.91173.98414.30054.30052.60672.84772.84771.56362.19082.19081.10701.10701.56272.20742.20742.2162
H135.14876.05044.26144.47324.81962.82323.16592.61512.18612.53123.09661.10701.78252.19772.55273.11542.5465
H145.14876.05044.26144.81964.47322.82322.61513.16592.18613.09662.53121.10701.78252.19773.11542.55272.5465
C156.41877.21185.18985.34275.34274.00224.30174.30172.60412.82602.82601.56272.19772.19771.10471.10471.1035
H166.63947.36945.33975.26155.56004.31604.85344.51212.86072.63443.18352.20742.55273.11541.10471.78931.7878
H176.63947.36945.33975.56005.26154.31604.51214.85342.86073.18352.63442.20743.11542.55271.10471.78931.7878
H187.25868.10326.12596.32576.32574.81644.98934.98933.56383.83833.83832.21622.54652.54651.10351.78781.7878

picture of 1-Pentanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C3 H4 109.818 O1 C3 H5 109.818
O1 C3 C6 106.783 H2 O1 C3 110.462
C3 C6 H7 108.383 C3 C6 H8 108.383
C3 C6 C9 112.470 H4 C3 H5 109.313
H4 C3 C6 110.539 H5 C3 C6 110.539
C6 C9 H10 109.313 C6 C9 H11 109.313
C6 C9 C12 112.939 H7 C6 H8 107.916
H7 C6 C9 109.784 H8 C6 C9 109.784
C9 C12 H13 108.684 C9 C12 H14 108.684
C9 C12 C15 112.809 H10 C9 H11 107.226
H10 C9 C12 108.944 H11 C9 C12 108.944
C12 C15 H16 110.524 C12 C15 H17 110.524
C12 C15 H18 111.284 H13 C12 H14 107.238
H13 C12 C15 109.632 H14 C12 C15 109.632
H16 C15 H17 108.166 H16 C15 H18 108.118
H17 C15 H18 108.118
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability