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All results from a given calculation for C5H10O (Pentanal)

using model chemistry: mPW1PW91/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at mPW1PW91/6-31G**
 hartrees
Energy at 0K-271.717384
Energy at 298.15K-271.728152
Nuclear repulsion energy231.265741
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 mPW1PW91/6-31G**
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' 3152 2999 32.78      
2 A' 3080 2930 29.86      
3 A' 3066 2918 22.73      
4 A' 3051 2903 27.19      
5 A' 3039 2892 18.42      
6 A' 2919 2778 154.58      
7 A' 1864 1773 144.95      
8 A' 1524 1450 6.74      
9 A' 1509 1435 0.89      
10 A' 1500 1428 1.28      
11 A' 1464 1393 13.67      
12 A' 1434 1365 12.92      
13 A' 1429 1360 1.27      
14 A' 1425 1355 7.59      
15 A' 1380 1313 15.03      
16 A' 1286 1223 3.86      
17 A' 1150 1094 11.74      
18 A' 1093 1040 0.57      
19 A' 1058 1007 1.15      
20 A' 934 889 1.17      
21 A' 909 864 13.41      
22 A' 700 666 13.29      
23 A' 397 378 1.81      
24 A' 292 278 4.54      
25 A' 137 130 5.17      
26 A" 3146 2994 52.13      
27 A" 3126 2975 21.52      
28 A" 3087 2937 7.99      
29 A" 3071 2922 8.16      
30 A" 1514 1440 7.32      
31 A" 1339 1274 0.21      
32 A" 1319 1255 0.06      
33 A" 1243 1183 0.00      
34 A" 1166 1109 0.04      
35 A" 985 937 1.31      
36 A" 860 818 0.12      
37 A" 748 711 2.67      
38 A" 671 638 3.93      
39 A" 240 228 0.00      
40 A" 183 174 0.93      
41 A" 111 106 1.06      
42 A" 66 63 1.95      

Unscaled Zero Point Vibrational Energy (zpe) 31332.4 cm-1
Scaled (by 0.9515) Zero Point Vibrational Energy (zpe) 29812.7 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 mPW1PW91/6-31G**
ABC
0.34651 0.04904 0.04435

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.819 -2.058 0.000
C2 -0.363 -1.129 0.000
C3 0.000 0.347 0.000
C4 -1.221 1.262 0.000
C5 -0.851 2.741 0.000
O6 1.973 -1.702 0.000
H7 0.563 -3.141 0.000
H8 -0.983 -1.393 0.869
H9 -0.983 -1.393 -0.869
H10 0.628 0.560 -0.872
H11 0.628 0.560 0.872
H12 -1.843 1.040 0.876
H13 -1.843 1.040 -0.876
H14 -1.740 3.376 0.000
H15 -0.257 2.999 -0.882
H16 -0.257 2.999 0.882

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 O6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
C11.50322.54083.89675.08101.20771.11252.10822.10822.76642.76644.17714.17716.00665.24515.2451
C21.50321.52042.54073.90062.40532.21411.09981.09982.14412.14412.76792.76794.71124.22294.2229
C32.54081.52041.52552.54032.84483.53292.17972.17971.09531.09532.15472.15473.49332.80662.8066
C43.89672.54071.52551.52384.35754.75042.80432.80432.16082.16081.09721.09722.17682.17302.1730
C55.08103.90062.54031.52385.26456.04884.22644.22642.77492.77492.15512.15511.09291.09411.0941
O61.20772.40532.84484.35755.26452.01443.09673.09672.77302.77304.77984.77986.29125.27795.2779
H71.11252.21413.53294.75046.04882.01442.48962.48963.80303.80304.90194.90196.91176.25686.2568
H82.10821.09982.17972.80434.22643.09672.48961.73843.07292.53222.58033.11494.90684.78394.4519
H92.10821.09982.17972.80434.22643.09672.48961.73842.53223.07293.11492.58034.90684.45194.7839
H102.76642.14411.09532.16082.77492.77303.80303.07292.53221.74363.06402.51683.78102.59443.1315
H112.76642.14411.09532.16082.77492.77303.80302.53223.07291.74362.51683.06403.78103.13152.5944
H124.17712.76792.15471.09722.15514.77984.90192.58033.11493.06402.51681.75132.49743.07292.5207
H134.17712.76792.15471.09722.15514.77984.90193.11492.58032.51683.06401.75132.49742.52073.0729
H146.00664.71123.49332.17681.09296.29126.91174.90684.90683.78103.78102.49742.49741.76601.7660
H155.24514.22292.80662.17301.09415.27796.25684.78394.45192.59443.13153.07292.52071.76601.7639
H165.24514.22292.80662.17301.09415.27796.25684.45194.78393.13152.59442.52073.07291.76601.7639

picture of Pentanal state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 114.346 C1 C2 H8 107.157
C1 C2 H9 107.157 C2 C1 O6 124.708
C2 C1 H7 114.843 C2 C3 C4 113.049
C2 C3 H10 109.024 C2 C3 H11 109.024
C3 C2 H8 111.573 C3 C2 H9 111.573
C3 C4 C5 112.829 C3 C4 H12 109.396
C3 C4 H13 109.396 C4 C3 H10 109.984
C4 C3 H11 109.984 C4 C5 H14 111.518
C4 C5 H15 111.144 C4 C5 H16 111.144
C5 C4 H12 109.546 C5 C4 H13 109.546
O6 C1 H7 120.449 H8 C2 H9 104.425
H10 C3 H11 105.491 H12 C4 H13 105.891
H14 C5 H15 107.701 H14 C5 H16 107.701
H15 C5 H16 107.442
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.284      
2 C -0.341      
3 C -0.227      
4 C -0.248      
5 C -0.397      
6 O -0.400      
7 H 0.092      
8 H 0.153      
9 H 0.153      
10 H 0.143      
11 H 0.143      
12 H 0.124      
13 H 0.124      
14 H 0.131      
15 H 0.133      
16 H 0.133      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.589 -0.098 0.000 2.590
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -44.123 4.028 0.000
y 4.028 -36.167 0.000
z 0.000 0.000 -36.761
Traceless
 xyz
x -7.659 4.028 0.000
y 4.028 4.275 0.000
z 0.000 0.000 3.384
Polar
3z2-r26.769
x2-y2-7.956
xy4.028
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.562 -0.450 0.000
y -0.450 9.509 0.000
z 0.000 0.000 6.698


<r2> (average value of r2) Å2
<r2> 250.245
(<r2>)1/2 15.819