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All results from a given calculation for C5H10O (Pentanal)

using model chemistry: HSEh1PBE/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at HSEh1PBE/3-21G
 hartrees
Energy at 0K-269.983152
Energy at 298.15K-269.994029
HF Energy-269.983152
Nuclear repulsion energy230.937312
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 HSEh1PBE/3-21G
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' 3142 3027 28.23      
2 A' 3083 2970 21.97      
3 A' 3063 2950 18.52      
4 A' 3055 2943 16.69      
5 A' 3042 2931 14.64      
6 A' 2931 2823 147.14      
7 A' 1764 1699 79.31      
8 A' 1567 1510 9.62      
9 A' 1549 1493 5.61      
10 A' 1538 1482 1.37      
11 A' 1497 1442 22.40      
12 A' 1461 1407 7.90      
13 A' 1444 1391 6.46      
14 A' 1406 1354 1.44      
15 A' 1384 1333 10.66      
16 A' 1311 1263 23.27      
17 A' 1157 1115 19.54      
18 A' 1088 1048 0.82      
19 A' 1049 1010 0.90      
20 A' 943 909 0.16      
21 A' 908 875 15.53      
22 A' 705 680 10.51      
23 A' 407 392 2.18      
24 A' 302 291 5.23      
25 A' 143 138 5.45      
26 A" 3142 3027 56.31      
27 A" 3127 3012 2.07      
28 A" 3088 2975 3.06      
29 A" 3073 2961 3.71      
30 A" 1563 1505 10.81      
31 A" 1368 1318 0.17      
32 A" 1352 1302 0.00      
33 A" 1273 1226 0.00      
34 A" 1186 1143 0.48      
35 A" 1018 980 1.09      
36 A" 887 854 0.98      
37 A" 766 738 2.67      
38 A" 694 669 9.14      
39 A" 246 237 0.00      
40 A" 200 193 0.75      
41 A" 111 107 1.40      
42 A" 52 51 1.31      

Unscaled Zero Point Vibrational Energy (zpe) 31542.7 cm-1
Scaled (by 0.9633) Zero Point Vibrational Energy (zpe) 30385.1 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 HSEh1PBE/3-21G
ABC
0.33034 0.04996 0.04485

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.797 -2.056 0.000
C2 -0.404 -1.143 0.000
C3 0.000 0.328 0.000
C4 -1.213 1.265 0.000
C5 -0.793 2.740 0.000
O6 1.958 -1.676 0.000
H7 0.520 -3.132 0.000
H8 -1.022 -1.387 0.880
H9 -1.022 -1.387 -0.880
H10 0.626 0.529 -0.880
H11 0.626 0.529 0.880
H12 -1.833 1.057 0.883
H13 -1.833 1.057 -0.883
H14 -1.668 3.399 0.000
H15 -0.191 2.971 -0.887
H16 -0.191 2.971 0.887

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 O6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
C11.50882.51373.88175.05301.22231.11072.12812.12812.73582.73584.17044.17045.98685.19935.1993
C21.50881.52512.53983.90232.42182.19361.10231.10232.15112.15112.76832.76834.71494.21344.2134
C32.51371.52511.53252.53932.80183.49882.18132.18131.09791.09792.16192.16193.49552.79432.7943
C43.88172.53981.53251.53384.32484.72612.80042.80042.16682.16681.09941.09942.18272.17732.1773
C55.05303.90232.53931.53385.20306.01724.22604.22602.77072.77072.16672.16671.09601.09681.0968
O61.22232.42182.80184.32485.20302.04643.12063.12062.72212.72214.75704.75706.23815.19595.1959
H71.11072.19363.49884.72616.01722.04642.48942.48943.76633.76634.88584.88586.88856.20776.2077
H82.12811.10232.18132.80044.22603.12062.48941.75933.07862.52652.57553.12104.90934.77504.4361
H92.12811.10232.18132.80044.22603.12062.48941.75932.52653.07863.12102.57554.90934.43614.7750
H102.73582.15111.09792.16682.77072.72213.76633.07862.52651.75913.07152.51533.77872.57493.1228
H112.73582.15111.09792.16682.77072.72213.76632.52653.07861.75912.51533.07153.77873.12282.5749
H124.17042.76832.16191.09942.16674.75704.88582.57553.12103.07152.51531.76642.50853.08122.5217
H134.17042.76832.16191.09942.16674.75704.88583.12102.57552.51533.07151.76642.50852.52173.0812
H145.98684.71493.49552.18271.09606.23816.88854.90934.90933.77873.77872.50852.50851.77611.7761
H155.19934.21342.79432.17731.09685.19596.20774.77504.43612.57493.12283.08122.52171.77611.7746
H165.19934.21342.79432.17731.09685.19596.20774.43614.77503.12282.57492.52173.08121.77611.7746

picture of Pentanal state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 111.903 C1 C2 H8 108.172
C1 C2 H9 108.172 C2 C1 O6 124.607
C2 C1 H7 112.857 C2 C3 C4 112.332
C2 C3 H10 109.106 C2 C3 H11 109.106
C3 C2 H8 111.228 C3 C2 H9 111.228
C3 C4 C5 111.814 C3 C4 H12 109.354
C3 C4 H13 109.354 C4 C3 H10 109.822
C4 C3 H11 109.822 C4 C5 H14 111.098
C4 C5 H15 110.630 C4 C5 H16 110.630
C5 C4 H12 109.641 C5 C4 H13 109.641
O6 C1 H7 122.537 H8 C2 H9 105.885
H10 C3 H11 106.476 H12 C4 H13 106.910
H14 C5 H15 108.187 H14 C5 H16 108.187
H15 C5 H16 108.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability