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All results from a given calculation for C5H10O (Pentanal)

using model chemistry: HSEh1PBE/6-31+G**

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/6-31+G**
 hartrees
Energy at 0K-271.490149
Energy at 298.15K-271.500905
HF Energy-271.490149
Nuclear repulsion energy231.036837
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/6-31+G**
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' 3139 2997 34.34      
2 A' 3067 2928 30.87      
3 A' 3054 2916 26.18      
4 A' 3039 2901 31.89      
5 A' 3027 2890 22.58      
6 A' 2920 2788 144.14      
7 A' 1842 1759 181.73      
8 A' 1509 1441 10.71      
9 A' 1495 1427 1.07      
10 A' 1488 1420 1.01      
11 A' 1449 1384 15.52      
12 A' 1420 1356 14.47      
13 A' 1416 1352 1.30      
14 A' 1415 1351 10.93      
15 A' 1372 1310 13.54      
16 A' 1280 1222 5.42      
17 A' 1146 1094 11.04      
18 A' 1092 1043 0.33      
19 A' 1057 1009 1.25      
20 A' 930 888 1.60      
21 A' 906 865 12.94      
22 A' 696 665 12.62      
23 A' 398 380 2.00      
24 A' 290 277 4.30      
25 A' 136 130 5.66      
26 A" 3133 2991 54.25      
27 A" 3114 2974 20.76      
28 A" 3074 2935 7.95      
29 A" 3059 2921 7.72      
30 A" 1499 1431 10.04      
31 A" 1330 1270 0.26      
32 A" 1310 1251 0.10      
33 A" 1235 1179 0.06      
34 A" 1158 1105 0.30      
35 A" 980 935 0.79      
36 A" 858 819 0.21      
37 A" 745 712 1.98      
38 A" 666 636 3.77      
39 A" 238 227 0.00      
40 A" 180 171 1.44      
41 A" 111 106 1.12      
42 A" 70 66 2.50      

Unscaled Zero Point Vibrational Energy (zpe) 31169.1 cm-1
Scaled (by 0.9548) Zero Point Vibrational Energy (zpe) 29760.3 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/6-31+G**
ABC
0.34904 0.04878 0.04419

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.842 -2.052 0.000
C2 -0.349 -1.129 0.000
C3 0.000 0.353 0.000
C4 -1.236 1.249 0.000
C5 -0.886 2.734 0.000
O6 1.994 -1.693 0.000
H7 0.588 -3.137 0.000
H8 -0.964 -1.396 0.873
H9 -0.964 -1.396 -0.873
H10 0.622 0.576 -0.875
H11 0.622 0.576 0.875
H12 -1.853 1.019 0.879
H13 -1.853 1.019 -0.879
H14 -1.786 3.356 0.000
H15 -0.295 2.999 -0.884
H16 -0.295 2.999 0.884

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 O6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
C11.50662.54803.90055.08841.20691.11422.11042.11042.77872.77874.17944.17946.01315.25275.2527
C21.50661.52252.53813.90032.41012.21601.10071.10072.14842.14842.76582.76584.71014.22234.2223
C32.54801.52251.52662.54072.85703.53922.17952.17951.09661.09662.15662.15663.49452.80582.8058
C43.90052.53811.52661.52584.36914.75042.79872.79872.16092.16091.09841.09842.17802.17462.1746
C55.08843.90032.54071.52585.28156.05354.22234.22232.77422.77422.15652.15651.09471.09551.0955
O61.20692.41012.85704.36915.28152.01523.09863.09862.79262.79264.78864.78866.30785.29565.2956
H71.11422.21603.53924.75046.05352.01522.49062.49063.81503.81504.89974.89976.91406.26246.2624
H82.11041.10072.17952.79874.22233.09862.49061.74563.07582.53072.57363.11304.90144.78054.4460
H92.11041.10072.17952.79874.22233.09862.49061.74562.53073.07583.11302.57364.90144.44604.7805
H102.77872.14841.09662.16092.77422.79263.81503.07582.53071.75053.06582.51453.78092.59113.1320
H112.77872.14841.09662.16092.77422.79263.81502.53073.07581.75052.51453.06583.78093.13202.5911
H124.17942.76582.15661.09842.15654.78864.89972.57363.11303.06582.51451.75732.49803.07512.5196
H134.17942.76582.15661.09842.15654.78864.89973.11302.57362.51453.06581.75732.49802.51963.0751
H146.01314.71013.49452.17801.09476.30786.91404.90144.90143.78093.78092.49802.49801.76961.7696
H155.25274.22232.80582.17461.09555.29566.26244.78054.44602.59113.13203.07512.51961.76961.7683
H165.25274.22232.80582.17461.09555.29566.26244.44604.78053.13202.59112.51963.07511.76961.7683

picture of Pentanal state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 114.525 C1 C2 H8 107.044
C1 C2 H9 107.044 C2 C1 O6 124.923
C2 C1 H7 114.632 C2 C3 C4 112.698
C2 C3 H10 109.152 C2 C3 H11 109.152
C3 C2 H8 111.365 C3 C2 H9 111.365
C3 C4 C5 112.683 C3 C4 H12 109.402
C3 C4 H13 109.402 C4 C3 H10 109.848
C4 C3 H11 109.848 C4 C5 H14 111.369
C4 C5 H15 111.047 C4 C5 H16 111.047
C5 C4 H12 109.449 C5 C4 H13 109.449
O6 C1 H7 120.446 H8 C2 H9 104.923
H10 C3 H11 105.912 H12 C4 H13 106.252
H14 C5 H15 107.797 H14 C5 H16 107.797
H15 C5 H16 107.616
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.022      
2 C -0.117      
3 C -0.393      
4 C -0.165      
5 C -0.658      
6 O -0.357      
7 H 0.124      
8 H 0.186      
9 H 0.186      
10 H 0.179      
11 H 0.179      
12 H 0.158      
13 H 0.158      
14 H 0.165      
15 H 0.166      
16 H 0.166      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.857 -0.092 0.000 2.858
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -45.998 4.297 0.000
y 4.297 -37.044 0.000
z 0.000 0.000 -37.518
Traceless
 xyz
x -8.717 4.297 0.000
y 4.297 4.714 0.000
z 0.000 0.000 4.003
Polar
3z2-r28.005
x2-y2-8.954
xy4.297
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.747 -0.422 0.000
y -0.422 10.480 0.000
z 0.000 0.000 7.392


<r2> (average value of r2) Å2
<r2> 251.753
(<r2>)1/2 15.867