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All results from a given calculation for C5H10O (Pentanal)

using model chemistry: B2PLYP/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at B2PLYP/cc-pVTZ
 hartrees
Energy at 0K-271.630773
Energy at 298.15K-271.641585
HF Energy-271.274697
Nuclear repulsion energy231.276491
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 B2PLYP/cc-pVTZ
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' 3120 2993 35.73      
2 A' 3058 2934 33.19      
3 A' 3047 2923 22.06      
4 A' 3032 2909 26.06      
5 A' 3021 2898 19.21      
6 A' 2900 2783 151.83      
7 A' 1787 1715 135.38      
8 A' 1524 1462 7.83      
9 A' 1509 1448 0.65      
10 A' 1499 1438 0.99      
11 A' 1461 1402 14.56      
12 A' 1426 1368 7.85      
13 A' 1425 1367 4.55      
14 A' 1412 1355 3.92      
15 A' 1377 1321 14.00      
16 A' 1291 1239 4.04      
17 A' 1146 1099 9.77      
18 A' 1082 1038 0.73      
19 A' 1047 1005 2.70      
20 A' 926 888 0.84      
21 A' 899 863 13.59      
22 A' 694 665 13.20      
23 A' 397 381 1.96      
24 A' 292 280 4.03      
25 A' 137 132 4.98      
26 A" 3115 2989 60.19      
27 A" 3097 2972 18.87      
28 A" 3059 2935 5.86      
29 A" 3046 2922 8.43      
30 A" 1513 1451 6.91      
31 A" 1341 1287 0.20      
32 A" 1321 1267 0.09      
33 A" 1248 1197 0.05      
34 A" 1168 1120 0.27      
35 A" 985 945 0.45      
36 A" 864 829 0.08      
37 A" 752 722 1.70      
38 A" 675 648 2.78      
39 A" 241 231 0.00      
40 A" 181 174 1.40      
41 A" 112 107 1.02      
42 A" 71 68 2.17      

Unscaled Zero Point Vibrational Energy (zpe) 31148.1 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 29883.5 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 B2PLYP/cc-pVTZ
ABC
0.34909 0.04884 0.04423

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.841 -2.053 0.000
C2 -0.351 -1.129 0.000
C3 0.000 0.353 0.000
C4 -1.235 1.250 0.000
C5 -0.882 2.735 0.000
O6 1.991 -1.694 0.000
H7 0.585 -3.132 0.000
H8 -0.963 -1.393 0.869
H9 -0.963 -1.393 -0.869
H10 0.618 0.574 -0.871
H11 0.618 0.574 0.871
H12 -1.849 1.021 0.874
H13 -1.849 1.021 -0.874
H14 -1.777 3.356 0.000
H15 -0.294 2.996 -0.880
H16 -0.294 2.996 0.880

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 O6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
C11.50792.54813.90075.08791.20461.10892.10812.10812.77662.77664.17714.17716.00855.24885.2488
C21.50791.52282.53783.90012.40942.21061.09511.09512.14472.14472.76262.76264.70594.21824.2182
C32.54811.52281.52642.54012.85563.53312.17472.17471.09081.09082.15172.15173.48932.80132.8013
C43.90072.53781.52641.52634.36754.74452.79522.79522.15612.15611.09261.09262.17442.16992.1699
C55.08793.90012.54011.52635.27936.04704.21894.21892.77052.77052.15312.15311.08921.09001.0900
O61.20462.40942.85564.36755.27932.01043.09383.09382.79122.79124.78374.78376.30075.29095.2909
H71.10892.21063.53314.74456.04702.01042.48502.48503.80713.80714.89244.89246.90396.25256.2525
H82.10811.09512.17472.79524.21893.09382.48501.73833.06552.52372.57163.10694.89564.77164.4395
H92.10811.09512.17472.79524.21893.09382.48501.73832.52373.06553.10692.57164.89564.43954.7716
H102.77662.14471.09082.15612.77052.79123.80713.06552.52371.74213.05482.50713.77222.58763.1243
H112.77662.14471.09082.15612.77052.79123.80712.52373.06551.74212.50713.05483.77223.12432.5876
H124.17712.76262.15171.09262.15314.78374.89242.57163.10693.05482.50711.74872.49393.06512.5134
H134.17712.76262.15171.09262.15314.78374.89243.10692.57162.50713.05481.74872.49392.51343.0651
H146.00854.70593.48932.17441.08926.30076.90394.89564.89563.77223.77222.49392.49391.76141.7614
H155.24884.21822.80132.16991.09005.29096.25254.77164.43952.58763.12433.06512.51341.76141.7598
H165.24884.21822.80132.16991.09005.29096.25254.43954.77163.12432.58762.51343.06511.76141.7598

picture of Pentanal state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 114.439 C1 C2 H8 107.099
C1 C2 H9 107.099 C2 C1 O6 124.929
C2 C1 H7 114.440 C2 C3 C4 112.669
C2 C3 H10 109.171 C2 C3 H11 109.171
C3 C2 H8 111.295 C3 C2 H9 111.295
C3 C4 C5 112.622 C3 C4 H12 109.368
C3 C4 H13 109.368 C4 C3 H10 109.815
C4 C3 H11 109.815 C4 C5 H14 111.379
C4 C5 H15 110.970 C4 C5 H16 110.970
C5 C4 H12 109.486 C5 C4 H13 109.486
O6 C1 H7 120.631 H8 C2 H9 105.066
H10 C3 H11 105.976 H12 C4 H13 106.314
H14 C5 H15 107.853 H14 C5 H16 107.853
H15 C5 H16 107.655
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.130      
2 C -0.182      
3 C -0.151      
4 C -0.163      
5 C -0.307      
6 O -0.296      
7 H 0.083      
8 H 0.106      
9 H 0.106      
10 H 0.103      
11 H 0.103      
12 H 0.088      
13 H 0.088      
14 H 0.103      
15 H 0.095      
16 H 0.095      


Electric dipole moments


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.538 -0.512 0.000
y -0.512 10.808 0.000
z 0.000 0.000 7.531


<r2> (average value of r2) Å2
<r2> 251.399
(<r2>)1/2 15.856