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All results from a given calculation for C5H10O (Pentanal)

using model chemistry: CCD/6-311G*

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/6-311G*
 hartrees
Energy at 0K-271.004591
Energy at 298.15K-271.015455
Nuclear repulsion energy230.751231
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/6-311G*
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' 3124 2983 36.86      
2 A' 3061 2924 30.49      
3 A' 3044 2907 19.05      
4 A' 3037 2901 36.71      
5 A' 3030 2894 13.78      
6 A' 2937 2805 135.39      
7 A' 1864 1780 115.11      
8 A' 1543 1474 12.01      
9 A' 1528 1460 0.47      
10 A' 1523 1455 1.15      
11 A' 1498 1431 13.92      
12 A' 1455 1390 3.65      
13 A' 1452 1387 6.36      
14 A' 1443 1379 11.39      
15 A' 1400 1337 11.14      
16 A' 1303 1244 7.35      
17 A' 1160 1107 10.68      
18 A' 1104 1055 0.43      
19 A' 1068 1021 1.12      
20 A' 940 898 0.94      
21 A' 920 879 8.73      
22 A' 705 673 15.14      
23 A' 405 386 1.75      
24 A' 302 288 4.31      
25 A' 143 136 4.75      
26 A" 3122 2981 69.23      
27 A" 3107 2967 17.05      
28 A" 3071 2933 4.56      
29 A" 3063 2925 10.52      
30 A" 1531 1463 9.23      
31 A" 1359 1298 0.15      
32 A" 1342 1282 0.12      
33 A" 1267 1210 0.08      
34 A" 1186 1132 0.37      
35 A" 997 952 0.39      
36 A" 874 835 0.21      
37 A" 752 718 1.13      
38 A" 681 651 3.89      
39 A" 248 237 0.00      
40 A" 174 167 1.86      
41 A" 113 108 0.78      
42 A" 76 72 2.30      

Unscaled Zero Point Vibrational Energy (zpe) 31474.4 cm-1
Scaled (by 0.9551) Zero Point Vibrational Energy (zpe) 30061.2 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/6-311G*
ABC
0.34440 0.04886 0.04418

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.838 -2.059 0.000
C2 -0.361 -1.136 0.000
C3 0.000 0.347 0.000
C4 -1.233 1.255 0.000
C5 -0.869 2.742 0.000
O6 1.984 -1.690 0.000
H7 0.605 -3.147 0.000
H8 -0.979 -1.394 0.875
H9 -0.979 -1.394 -0.875
H10 0.625 0.567 -0.876
H11 0.625 0.567 0.876
H12 -1.853 1.027 0.880
H13 -1.853 1.027 -0.880
H14 -1.764 3.374 0.000
H15 -0.276 3.000 -0.885
H16 -0.276 3.000 0.885

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 O6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
C11.51342.54863.90825.09551.20461.11252.12312.12312.77682.77684.18824.18826.02435.25585.2558
C21.51341.52682.54503.91082.40992.23141.10151.10152.15382.15382.77112.77114.72324.23074.2307
C32.54861.52681.53102.54702.84393.54682.18112.18111.09781.09782.16062.16063.50312.81002.8100
C43.90822.54501.53101.53074.36164.77072.80152.80152.16602.16601.09951.09952.18462.17862.1786
C55.09553.91082.54701.53075.27066.07074.22894.22892.77972.77972.16322.16321.09581.09661.0966
O61.20462.40992.84394.36165.27062.00673.10363.10362.77642.77644.78324.78326.30015.28085.2808
H71.11252.23143.54684.77076.07072.00672.51932.51933.81633.81634.92384.92386.93846.27316.2731
H82.12311.10152.18112.80154.22893.10362.51931.74943.07922.53342.57473.11554.91124.78584.4504
H92.12311.10152.18112.80154.22893.10362.51931.74942.53343.07923.11552.57474.91124.45044.7858
H102.77682.15381.09782.16602.77972.77643.81633.07922.53341.75123.07072.51973.78832.59433.1354
H112.77682.15381.09782.16602.77972.77643.81632.53343.07921.75122.51973.07073.78833.13542.5943
H124.18822.77112.16061.09952.16324.78324.92382.57473.11553.07072.51971.75902.50753.08102.5255
H134.18822.77112.16061.09952.16324.78324.92383.11552.57472.51973.07071.75902.50752.52553.0810
H146.02434.72323.50312.18461.09586.30016.93844.91124.91123.78833.78832.50752.50751.77151.7715
H155.25584.23072.81002.17861.09665.28086.27314.78584.45042.59433.13543.08102.52551.77151.7704
H165.25584.23072.81002.17861.09665.28086.27314.45044.78583.13542.59432.52553.08101.77151.7704

picture of Pentanal state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 113.923 C1 C2 H8 107.525
C1 C2 H9 107.525 C2 C1 O6 124.524
C2 C1 H7 115.530 C2 C3 C4 112.667
C2 C3 H10 109.204 C2 C3 H11 109.204
C3 C2 H8 111.131 C3 C2 H9 111.131
C3 C4 C5 112.583 C3 C4 H12 109.341
C3 C4 H13 109.341 C4 C3 H10 109.863
C4 C3 H11 109.863 C4 C5 H14 111.484
C4 C5 H15 110.958 C4 C5 H16 110.958
C5 C4 H12 109.565 C5 C4 H13 109.565
O6 C1 H7 119.947 H8 C2 H9 105.136
H10 C3 H11 105.806 H12 C4 H13 106.244
H14 C5 H15 107.809 H14 C5 H16 107.809
H15 C5 H16 107.658
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability