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All results from a given calculation for C5H10O (Pentanal)

using model chemistry: MP2=FULL/STO-3G

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/STO-3G
 hartrees
Energy at 0K-267.016662
Energy at 298.15K-267.027122
Nuclear repulsion energy225.758074
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/STO-3G
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' 3554 3159 3.41      
2 A' 3407 3028 8.33      
3 A' 3401 3024 1.49      
4 A' 3390 3014 2.61      
5 A' 3374 2999 3.57      
6 A' 3281 2917 50.76      
7 A' 1769 1572 25.69      
8 A' 1746 1552 0.28      
9 A' 1730 1538 0.33      
10 A' 1715 1524 2.36      
11 A' 1703 1514 2.00      
12 A' 1626 1446 0.52      
13 A' 1599 1421 0.27      
14 A' 1529 1359 1.17      
15 A' 1495 1329 37.61      
16 A' 1416 1258 1.50      
17 A' 1252 1113 5.26      
18 A' 1187 1055 0.83      
19 A' 1157 1028 2.46      
20 A' 1017 904 0.26      
21 A' 976 868 5.47      
22 A' 693 616 6.54      
23 A' 415 369 0.55      
24 A' 294 261 0.96      
25 A' 136 121 1.27      
26 A" 3555 3160 4.84      
27 A" 3522 3131 9.05      
28 A" 3511 3121 0.12      
29 A" 3498 3109 1.12      
30 A" 1737 1544 1.44      
31 A" 1474 1310 0.01      
32 A" 1454 1292 0.00      
33 A" 1383 1229 0.01      
34 A" 1248 1109 0.03      
35 A" 1057 939 0.58      
36 A" 913 812 0.12      
37 A" 811 721 1.60      
38 A" 745 662 2.94      
39 A" 241 214 0.00      
40 A" 149 133 0.30      
41 A" 107 95 0.47      
42 A" 58 52 0.80      

Unscaled Zero Point Vibrational Energy (zpe) 34661.7 cm-1
Scaled (by 0.8889) Zero Point Vibrational Energy (zpe) 30810.8 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/STO-3G
ABC
0.32207 0.04707 0.04239

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.807 -2.125 0.000
C2 -0.422 -1.153 0.000
C3 0.000 0.350 0.000
C4 -1.234 1.310 0.000
C5 -0.811 2.811 0.000
O6 2.013 -1.757 0.000
H7 0.519 -3.213 0.000
H8 -1.043 -1.378 0.890
H9 -1.043 -1.378 -0.890
H10 0.626 0.552 -0.889
H11 0.626 0.552 0.889
H12 -1.857 1.104 0.891
H13 -1.857 1.104 -0.891
H14 -1.699 3.466 0.000
H15 -0.208 3.046 -0.894
H16 -0.208 3.046 0.894

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 O6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
C11.56712.60303.99535.19421.26161.12532.18412.18412.82712.82714.28004.28006.12655.34525.3452
C21.56711.56102.59313.98272.50982.26481.10781.10782.19072.19072.81902.81904.79174.29864.2986
C32.60301.56101.56332.59112.91453.60032.20562.20561.10661.10662.19372.19373.54892.84822.8482
C43.99532.59311.56331.55914.46694.85052.83792.83792.19652.19651.10671.10672.20522.20552.2055
C55.19423.98272.59111.55915.37096.16874.28854.28852.82092.82092.19112.19111.10341.10331.1033
O61.26162.50982.91454.46695.37092.08633.20573.20572.83742.83744.89554.89556.40815.36745.3674
H71.12532.26483.60034.85056.16872.08632.56852.56853.87043.87045.00765.00767.03716.36426.3642
H82.18411.10782.20562.83794.28853.20572.56851.77943.11102.55202.61243.16134.96814.84264.5023
H92.18411.10782.20562.83794.28853.20572.56851.77942.55203.11103.16132.61244.96814.50234.8426
H102.82712.19071.10662.19652.82092.83743.87043.11102.55201.77903.10522.54433.83222.62973.1772
H112.82712.19071.10662.19652.82092.83743.87042.55203.11101.77902.54433.10523.83223.17722.6297
H124.28002.81902.19371.10672.19114.89555.00762.61243.16133.10522.54431.78132.52883.11052.5480
H134.28002.81902.19371.10672.19114.89555.00763.16132.61242.54433.10521.78132.52882.54803.1105
H146.12654.79173.54892.20521.10346.40817.03714.96814.96813.83223.83222.52882.52881.78821.7882
H155.34524.29862.84822.20551.10335.36746.36424.84264.50232.62973.17723.11052.54801.78821.7871
H165.34524.29862.84822.20551.10335.36746.36424.50234.84263.17722.62972.54803.11051.78821.7871

picture of Pentanal state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 112.640 C1 C2 H8 108.255
C1 C2 H9 108.255 C2 C1 O6 124.715
C2 C1 H7 113.517 C2 C3 C4 112.195
C2 C3 H10 109.234 C2 C3 H11 109.234
C3 C2 H8 110.312 C3 C2 H9 110.312
C3 C4 C5 112.171 C3 C4 H12 109.300
C3 C4 H13 109.300 C4 C3 H10 109.523
C4 C3 H11 109.523 C4 C5 H14 110.674
C4 C5 H15 110.704 C4 C5 H16 110.704
C5 C4 H12 109.383 C5 C4 H13 109.383
O6 C1 H7 121.769 H8 C2 H9 106.864
H10 C3 H11 106.994 H12 C4 H13 107.175
H14 C5 H15 108.251 H14 C5 H16 108.251
H15 C5 H16 108.161
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability