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All results from a given calculation for C5H10O (Pentanal)

using model chemistry: MP2/Def2TZVPP

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/Def2TZVPP
 hartrees
Energy at 0K-271.214570
Energy at 298.15K-271.225362
HF Energy-270.127443
Nuclear repulsion energy231.778430
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/Def2TZVPP
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' 3165 3011 26.16      
2 A' 3086 2936 26.71      
3 A' 3074 2925 21.95      
4 A' 3065 2916 16.23      
5 A' 3053 2905 17.85      
6 A' 2950 2807 130.99      
7 A' 1766 1681 108.87      
8 A' 1521 1447 7.16      
9 A' 1505 1432 2.03      
10 A' 1493 1420 1.07      
11 A' 1457 1386 14.67      
12 A' 1426 1357 8.59      
13 A' 1418 1349 3.24      
14 A' 1405 1337 5.95      
15 A' 1366 1300 12.34      
16 A' 1276 1215 3.78      
17 A' 1150 1094 8.97      
18 A' 1098 1045 0.31      
19 A' 1061 1009 1.44      
20 A' 934 888 2.00      
21 A' 909 864 11.58      
22 A' 694 660 12.38      
23 A' 397 378 1.70      
24 A' 292 278 3.95      
25 A' 136 130 4.78      
26 A" 3160 3007 39.00      
27 A" 3139 2986 19.97      
28 A" 3107 2956 3.27      
29 A" 3093 2943 5.59      
30 A" 1514 1441 7.58      
31 A" 1336 1272 0.20      
32 A" 1318 1254 0.09      
33 A" 1244 1183 0.08      
34 A" 1162 1105 0.47      
35 A" 977 930 0.29      
36 A" 858 816 0.16      
37 A" 749 713 1.50      
38 A" 672 639 2.79      
39 A" 249 237 0.00      
40 A" 176 168 1.49      
41 A" 111 106 0.91      
42 A" 71 68 2.24      

Unscaled Zero Point Vibrational Energy (zpe) 31315.4 cm-1
Scaled (by 0.9515) Zero Point Vibrational Energy (zpe) 29796.6 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/Def2TZVPP
ABC
0.34667 0.04939 0.04464

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.826 -2.048 0.000
C2 -0.360 -1.126 0.000
C3 0.000 0.349 0.000
C4 -1.229 1.246 0.000
C5 -0.863 2.724 0.000
O6 1.982 -1.680 0.000
H7 0.586 -3.128 0.000
H8 -0.971 -1.387 0.870
H9 -0.971 -1.387 -0.870
H10 0.619 0.567 -0.872
H11 0.619 0.567 0.872
H12 -1.843 1.019 0.875
H13 -1.843 1.019 -0.875
H14 -1.750 3.355 0.000
H15 -0.272 2.975 -0.880
H16 -0.272 2.975 0.880

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 O6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
C11.50272.53543.88275.06201.21311.10582.10312.10312.76482.76484.15924.15925.98565.21615.2161
C21.50271.51792.52593.88212.40672.21411.09461.09462.14112.14112.75062.75064.69114.19464.1946
C32.53541.51791.52182.52672.83623.52552.17072.17071.09101.09102.14732.14733.47822.78252.7825
C43.88272.52591.52181.52254.34424.73522.78482.78482.15292.15291.09241.09242.17222.16322.1632
C55.06203.88212.52671.52255.24266.02794.20294.20292.75762.75762.15162.15161.08861.08941.0894
O61.21312.40672.83624.34425.24262.01123.09213.09212.76932.76934.76234.76236.26695.24575.2457
H71.10582.21413.52554.73526.02792.01122.49202.49203.79653.79654.88484.88486.89036.22466.2246
H82.10311.09462.17072.78484.20293.09212.49201.74043.06252.51882.55943.09794.88334.75114.4170
H92.10311.09462.17072.78484.20293.09212.49201.74042.51883.06253.09792.55944.88334.41704.7511
H102.76482.14111.09102.15292.75762.76933.79653.06252.51881.74353.05182.50243.76022.56663.1073
H112.76482.14111.09102.15292.75762.76933.79652.51883.06251.74352.50243.05183.76023.10732.5666
H124.15922.75062.14731.09242.15164.76234.88482.55943.09793.05182.50241.75022.49553.06112.5080
H134.15922.75062.14731.09242.15164.76234.88483.09792.55942.50243.05181.75022.49552.50803.0611
H145.98564.69113.47822.17221.08866.26696.89034.88334.88333.76023.76022.49552.49551.76181.7618
H155.21614.19462.78252.16321.08945.24576.22464.75114.41702.56663.10733.06112.50801.76181.7597
H165.21614.19462.78252.16321.08945.24576.22464.41704.75113.10732.56662.50803.06111.76181.7597

picture of Pentanal state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 114.150 C1 C2 H8 107.091
C1 C2 H9 107.091 C2 C1 O6 124.452
C2 C1 H7 115.324 C2 C3 C4 112.394
C2 C3 H10 109.212 C2 C3 H11 109.212
C3 C2 H8 111.348 C3 C2 H9 111.348
C3 C4 C5 112.196 C3 C4 H12 109.355
C3 C4 H13 109.355 C4 C3 H10 109.874
C4 C3 H11 109.874 C4 C5 H14 111.513
C4 C5 H15 110.744 C4 C5 H16 110.744
C5 C4 H12 109.647 C5 C4 H13 109.647
O6 C1 H7 120.224 H8 C2 H9 105.304
H10 C3 H11 106.073 H12 C4 H13 106.474
H14 C5 H15 107.980 H14 C5 H16 107.980
H15 C5 H16 107.736
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability