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All results from a given calculation for C5H10O (Pentanal)

using model chemistry: B3LYP/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 B3LYP/cc-pVTZ
 hartrees
Energy at 0K-271.877955
Energy at 298.15K-271.888729
Nuclear repulsion energy230.833614
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 B3LYP/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' 3087 2984 38.91      
2 A' 3034 2933 36.00      
3 A' 3023 2922 22.21      
4 A' 3005 2905 27.65      
5 A' 2992 2892 20.30      
6 A' 2857 2761 159.26      
7 A' 1810 1749 159.31      
8 A' 1513 1462 8.38      
9 A' 1498 1448 0.39      
10 A' 1489 1440 1.00      
11 A' 1449 1401 15.38      
12 A' 1420 1372 10.19      
13 A' 1418 1370 3.09      
14 A' 1403 1357 3.63      
15 A' 1372 1326 15.31      
16 A' 1289 1246 4.91      
17 A' 1135 1097 10.40      
18 A' 1067 1031 0.98      
19 A' 1034 999 3.30      
20 A' 917 886 0.45      
21 A' 889 859 15.18      
22 A' 691 668 13.41      
23 A' 394 381 2.17      
24 A' 291 281 3.94      
25 A' 137 132 5.13      
26 A" 3083 2980 68.27      
27 A" 3066 2964 16.09      
28 A" 3026 2925 7.18      
29 A" 3009 2909 8.95      
30 A" 1500 1449 6.88      
31 A" 1335 1290 0.20      
32 A" 1313 1269 0.09      
33 A" 1241 1199 0.03      
34 A" 1162 1123 0.20      
35 A" 983 950 0.57      
36 A" 861 832 0.07      
37 A" 748 723 1.99      
38 A" 670 647 3.02      
39 A" 234 226 0.00      
40 A" 182 176 1.31      
41 A" 111 108 1.01      
42 A" 69 67 2.19      

Unscaled Zero Point Vibrational Energy (zpe) 30901.8 cm-1
Scaled (by 0.9666) Zero Point Vibrational Energy (zpe) 29869.7 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 B3LYP/cc-pVTZ
ABC
0.35130 0.04839 0.04389

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.847 -2.056 0.000
C2 -0.339 -1.128 0.000
C3 0.000 0.357 0.000
C4 -1.240 1.253 0.000
C5 -0.900 2.742 0.000
O6 2.000 -1.708 0.000
H7 0.588 -3.136 0.000
H8 -0.953 -1.400 0.868
H9 -0.953 -1.400 -0.868
H10 0.620 0.583 -0.871
H11 0.620 0.583 0.871
H12 -1.855 1.020 0.874
H13 -1.855 1.020 -0.874
H14 -1.801 3.356 0.000
H15 -0.314 3.012 -0.881
H16 -0.314 3.012 0.881

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 O6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
C11.50552.55753.91165.10601.20411.11122.10402.10402.78792.78794.18664.18666.02555.27335.2733
C21.50551.52382.54573.91092.40952.21141.09761.09762.14622.14622.77122.77124.71734.23334.2333
C32.55751.52381.52912.54882.87493.54282.17932.17931.09251.09252.15542.15543.49842.81462.8146
C43.91162.54571.52911.52784.38864.75422.80522.80522.15992.15991.09441.09442.17752.17472.1747
C55.10603.91092.54881.52785.31146.06374.23204.23202.78032.78032.15502.15501.09081.09181.0918
O61.20412.40952.87494.38865.31142.00863.09393.09392.81242.81244.80304.80306.33215.32985.3298
H71.11122.21143.54284.75426.06372.00862.47902.47903.81993.81994.89974.89976.91836.27636.2763
H82.10401.09762.17932.80524.23203.09392.47901.73573.07072.53132.58203.11474.90834.78864.4580
H92.10401.09762.17932.80524.23203.09392.47901.73572.53133.07073.11472.58204.90834.45804.7886
H102.78792.14621.09252.15992.78032.81243.81993.07072.53131.74123.06012.51383.78322.60263.1369
H112.78792.14621.09252.15992.78032.81243.81992.53133.07071.74122.51383.06013.78323.13692.6026
H124.18662.77122.15541.09442.15504.80304.89972.58203.11473.06012.51381.74862.49553.07032.5194
H134.18662.77122.15541.09442.15504.80304.89973.11472.58202.51383.06011.74862.49552.51943.0703
H146.02554.71733.49842.17751.09086.33216.91834.90834.90833.78323.78322.49552.49551.76251.7625
H155.27334.23332.81462.17471.09185.32986.27634.78864.45802.60263.13693.07032.51941.76251.7611
H165.27334.23332.81462.17471.09185.32986.27634.45804.78863.13692.60262.51943.07031.76251.7611

picture of Pentanal state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 115.182 C1 C2 H8 106.803
C1 C2 H9 106.803 C2 C1 O6 125.181
C2 C1 H7 114.528 C2 C3 C4 112.997
C2 C3 H10 109.119 C2 C3 H11 109.119
C3 C2 H8 111.434 C3 C2 H9 111.434
C3 C4 C5 112.984 C3 C4 H12 109.363
C3 C4 H13 109.363 C4 C3 H10 109.834
C4 C3 H11 109.834 C4 C5 H14 111.429
C4 C5 H15 111.142 C4 C5 H16 111.142
C5 C4 H12 109.427 C5 C4 H13 109.427
O6 C1 H7 120.291 H8 C2 H9 104.492
H10 C3 H11 105.672 H12 C4 H13 106.039
H14 C5 H15 107.714 H14 C5 H16 107.714
H15 C5 H16 107.517
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.109      
2 C -0.170      
3 C -0.135      
4 C -0.150      
5 C -0.302      
6 O -0.254      
7 H 0.061      
8 H 0.100      
9 H 0.100      
10 H 0.095      
11 H 0.095      
12 H 0.083      
13 H 0.083      
14 H 0.098      
15 H 0.093      
16 H 0.093      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.656 -0.054 0.000 2.656
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -45.561 4.037 0.000
y 4.037 -37.521 0.000
z 0.000 0.000 -37.596
Traceless
 xyz
x -8.002 4.037 0.000
y 4.037 4.057 0.000
z 0.000 0.000 3.945
Polar
3z2-r27.890
x2-y2-8.039
xy4.037
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.658 -0.560 0.000
y -0.560 10.998 0.000
z 0.000 0.000 7.616


<r2> (average value of r2) Å2
<r2> 253.111
(<r2>)1/2 15.909