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All results from a given calculation for C5H10O (Pentanal)

using model chemistry: MP2=FULL/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 MP2=FULL/cc-pVDZ
 hartrees
Energy at 0K-270.945171
Energy at 298.15K-270.956055
Nuclear repulsion energy230.429454
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=FULL/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' 3186 3028 27.31      
2 A' 3094 2941 26.25      
3 A' 3084 2931 19.92      
4 A' 3074 2922 28.76      
5 A' 3065 2913 16.74      
6 A' 2946 2800 162.90      
7 A' 1790 1701 95.19      
8 A' 1508 1433 5.55      
9 A' 1492 1418 0.89      
10 A' 1482 1408 1.25      
11 A' 1453 1381 10.05      
12 A' 1421 1350 8.77      
13 A' 1418 1347 5.37      
14 A' 1414 1344 5.11      
15 A' 1368 1301 14.59      
16 A' 1272 1209 1.84      
17 A' 1153 1096 8.16      
18 A' 1110 1055 0.58      
19 A' 1070 1017 1.22      
20 A' 940 894 3.30      
21 A' 915 870 9.52      
22 A' 697 662 12.98      
23 A' 400 380 1.52      
24 A' 296 282 4.19      
25 A' 139 132 4.19      
26 A" 3182 3024 38.02      
27 A" 3153 2997 29.26      
28 A" 3123 2968 4.52      
29 A" 3112 2958 7.81      
30 A" 1500 1425 6.80      
31 A" 1330 1264 0.22      
32 A" 1313 1248 0.06      
33 A" 1239 1177 0.02      
34 A" 1158 1101 0.21      
35 A" 978 930 0.63      
36 A" 859 816 0.09      
37 A" 753 715 1.62      
38 A" 679 645 2.44      
39 A" 263 250 0.00      
40 A" 189 180 0.93      
41 A" 117 111 0.80      
42 A" 77 73 1.58      

Unscaled Zero Point Vibrational Energy (zpe) 31405.2 cm-1
Scaled (by 0.9504) Zero Point Vibrational Energy (zpe) 29847.5 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=FULL/cc-pVDZ
ABC
0.33892 0.04911 0.04431

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.794 -2.073 0.000
C2 -0.389 -1.131 0.000
C3 0.000 0.343 0.000
C4 -1.210 1.277 0.000
C5 -0.807 2.752 0.000
O6 1.958 -1.712 0.000
H7 0.531 -3.162 0.000
H8 -1.013 -1.385 0.879
H9 -1.013 -1.385 -0.879
H10 0.634 0.548 -0.880
H11 0.634 0.548 0.880
H12 -1.838 1.063 0.884
H13 -1.838 1.063 -0.884
H14 -1.689 3.412 0.000
H15 -0.203 2.994 -0.890
H16 -0.203 2.994 0.890

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 O6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
C11.51162.54243.90325.08351.21891.12052.12362.12362.76952.76954.18784.18786.02085.23945.2394
C21.51161.52432.54453.90592.41812.22881.10741.10742.15462.15462.77402.77404.72604.22384.2238
C32.54241.52431.52852.54112.83893.54432.18702.18701.10421.10422.16272.16273.50362.80362.8036
C43.90322.54451.52851.52874.35604.76772.81052.81052.16912.16911.10551.10552.18832.17962.1796
C55.08353.90592.54111.52875.25206.06324.23444.23442.77652.77652.16712.16711.10131.10241.1024
O61.21892.41812.83894.35605.25202.03453.11583.11582.76422.76424.78484.78486.29035.25465.2546
H71.12052.22883.54434.76776.06322.03452.51212.51213.81443.81444.92304.92306.93866.26236.2623
H82.12361.10742.18702.81054.23443.11582.51211.75793.08952.53972.58313.12754.92394.79124.4528
H92.12361.10742.18702.81054.23443.11582.51211.75792.53973.08953.12752.58314.92394.45284.7912
H102.76952.15461.10422.16912.77652.76423.81443.08952.53971.76053.08012.52463.79122.58453.1325
H112.76952.15461.10422.16912.77652.76423.81442.53973.08951.76052.52463.08013.79123.13252.5845
H124.18782.77402.16271.10552.16714.78484.92302.58313.12753.08012.52461.76842.51483.08972.5297
H134.18782.77402.16271.10552.16714.78484.92303.12752.58312.52463.08011.76842.51482.52973.0897
H146.02084.72603.50362.18831.10136.29036.93864.92394.92393.79123.79122.51482.51481.78181.7818
H155.23944.22382.80362.17961.10245.25466.26234.79124.45282.58453.13253.08972.52971.78181.7795
H165.23944.22382.80362.17961.10245.25466.26234.45284.79123.13252.58452.52973.08971.78181.7795

picture of Pentanal state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 113.743 C1 C2 H8 107.349
C1 C2 H9 107.349 C2 C1 O6 124.300
C2 C1 H7 114.919 C2 C3 C4 112.915
C2 C3 H10 109.062 C2 C3 H11 109.062
C3 C2 H8 111.424 C3 C2 H9 111.424
C3 C4 C5 112.438 C3 C4 H12 109.329
C3 C4 H13 109.329 C4 C3 H10 109.908
C4 C3 H11 109.908 C4 C5 H14 111.590
C4 C5 H15 110.827 C4 C5 H16 110.827
C5 C4 H12 109.664 C5 C4 H13 109.664
O6 C1 H7 120.781 H8 C2 H9 105.065
H10 C3 H11 105.729 H12 C4 H13 106.224
H14 C5 H15 107.907 H14 C5 H16 107.907
H15 C5 H16 107.624
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability