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All results from a given calculation for C5H10O (Pentanal)

using model chemistry: MP3=FULL/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at MP3=FULL/6-31G*
 hartrees
Energy at 0K-270.912497
Energy at 298.15K-270.923301
HF Energy-270.018521
Nuclear repulsion energy228.082386
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 MP3=FULL/6-31G*
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 3181 2985 30.20      
2 A 3176 2980 51.53      
3 A 3168 2973 12.88      
4 A 3137 2944 24.78      
5 A 3117 2925 2.34      
6 A 3099 2908 27.38      
7 A 3092 2901 43.78      
8 A 3086 2895 3.53      
9 A 3081 2891 5.56      
10 A 2988 2804 92.32      
11 A 1892 1775 145.23      
12 A 1573 1476 7.02      
13 A 1561 1465 7.36      
14 A 1560 1464 0.70      
15 A 1554 1458 1.16      
16 A 1532 1437 4.31      
17 A 1480 1388 4.60      
18 A 1477 1386 5.11      
19 A 1464 1373 0.37      
20 A 1398 1312 4.74      
21 A 1376 1291 0.78      
22 A 1352 1269 1.18      
23 A 1307 1227 0.56      
24 A 1283 1204 1.66      
25 A 1207 1133 13.25      
26 A 1180 1107 0.72      
27 A 1114 1045 0.66      
28 A 1074 1008 13.43      
29 A 1066 1000 11.77      
30 A 1002 940 1.18      
31 A 934 876 0.01      
32 A 885 830 0.92      
33 A 811 761 0.05      
34 A 753 707 4.04      
35 A 543 509 16.32      
36 A 387 363 2.55      
37 A 365 343 0.55      
38 A 255 239 0.06      
39 A 184 172 1.24      
40 A 124 116 0.04      
41 A 91 85 2.24      
42 A 53 50 7.02      

Unscaled Zero Point Vibrational Energy (zpe) 31978.4 cm-1
Scaled (by 0.9383) Zero Point Vibrational Energy (zpe) 30005.3 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 MP3=FULL/6-31G*
ABC
0.48717 0.04173 0.04076

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 2.078 -0.188 0.349
C2 0.813 0.606 0.138
C3 -0.433 -0.290 0.070
C4 -1.730 0.510 -0.048
C5 -2.968 -0.382 -0.103
O6 2.996 -0.207 -0.438
H7 2.001 -0.982 1.123
H8 0.935 1.218 -0.759
H9 0.715 1.279 1.003
H10 -0.470 -0.909 0.975
H11 -0.358 -0.983 -0.779
H12 -1.685 1.136 -0.948
H13 -1.807 1.197 0.804
H14 -3.882 0.215 -0.186
H15 -3.049 -0.996 0.800
H16 -2.927 -1.056 -0.964

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 O6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
C11.50902.52933.89175.07071.20951.11152.12392.10642.72132.80034.19524.14985.99745.21035.2472
C21.50901.53662.55093.91552.40022.21451.09271.10052.15472.17642.77482.76704.72164.23314.2384
C32.52931.53661.52812.54263.46802.74072.19922.15751.09741.09802.15352.15373.49452.80602.8061
C43.89172.55091.52811.52754.79584.18482.84762.77052.15622.15491.09661.09742.17642.17472.1739
C55.07073.91552.54261.52755.97675.15314.26984.18972.77202.76272.15962.15941.09411.09501.0948
O61.20952.40023.46804.79585.97672.00742.52603.08023.80863.45994.89705.15626.89546.22126.0070
H71.11152.21452.74074.18485.15312.00743.08502.60362.47593.03014.72864.39866.14385.06005.3520
H82.12391.09272.19922.84764.26982.52603.08501.77713.08362.55312.62893.15704.95354.81774.4870
H92.10641.10052.15752.77054.18973.08022.60361.77712.48893.07343.09692.53194.86614.40344.7532
H102.72132.15471.09742.15622.77203.80862.47593.08362.48891.75953.05912.50053.77532.58673.1340
H112.80032.17641.09802.15492.76273.45993.03012.55313.07341.75952.50583.05893.76853.12022.5766
H124.19522.77482.15351.09662.15964.89704.72862.62893.09693.05912.50581.75732.50023.07572.5192
H134.14982.76702.15371.09742.15945.15624.39863.15702.53192.50053.05891.75732.49942.52003.0752
H145.99744.72163.49452.17641.09416.89546.14384.95354.86613.77533.76852.50022.49941.77001.7699
H155.21034.23312.80602.17471.09506.22125.06004.81774.40342.58673.12023.07572.52001.77001.7698
H165.24724.23842.80612.17391.09486.00705.35204.48704.75323.13402.57662.51923.07521.76991.7698

picture of Pentanal state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 112.290 C1 C2 H8 108.385
C1 C2 H9 106.599 C2 C1 O6 123.617
C2 C1 H7 114.507 C2 C3 C4 112.679
C2 C3 H10 108.631 C2 C3 H11 110.284
C3 C2 H8 112.427 C3 C2 H9 108.663
C3 C4 C5 112.634 C3 C4 H12 109.157
C3 C4 H13 109.129 C4 C3 H10 109.331
C4 C3 H11 109.188 C4 C5 H14 111.157
C4 C5 H15 110.967 C4 C5 H16 110.913
C5 C4 H12 109.673 C5 C4 H13 109.612
O6 C1 H7 119.669 H8 C2 H9 108.239
H10 C3 H11 106.536 H12 C4 H13 106.443
H14 C5 H15 107.902 H14 C5 H16 107.917
H15 C5 H16 107.842
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability