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All results from a given calculation for C5H10O (Pentanal)

using model chemistry: B3LYPultrafine/aug-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 B3LYPultrafine/aug-cc-pVTZ
 hartrees
Energy at 0K-271.881090
Energy at 298.15K-271.891867
HF Energy-271.881090
Nuclear repulsion energy230.775249
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 B3LYPultrafine/aug-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' 3085 2985 37.27      
2 A' 3030 2932 35.28      
3 A' 3022 2923 21.06      
4 A' 3002 2904 28.79      
5 A' 2990 2893 21.24      
6 A' 2860 2767 146.98      
7 A' 1799 1741 177.47      
8 A' 1512 1463 8.94      
9 A' 1497 1448 0.54      
10 A' 1488 1439 0.95      
11 A' 1447 1400 16.39      
12 A' 1418 1372 10.69      
13 A' 1417 1371 3.11      
14 A' 1401 1355 4.17      
15 A' 1370 1325 14.89      
16 A' 1287 1246 4.11      
17 A' 1135 1098 10.07      
18 A' 1066 1031 0.93      
19 A' 1033 1000 3.46      
20 A' 916 886 0.47      
21 A' 889 860 14.85      
22 A' 689 667 13.02      
23 A' 394 381 2.23      
24 A' 291 282 3.83      
25 A' 137 133 5.33      
26 A" 3081 2981 62.35      
27 A" 3063 2964 17.89      
28 A" 3022 2924 7.03      
29 A" 3007 2909 8.31      
30 A" 1500 1451 7.04      
31 A" 1332 1289 0.17      
32 A" 1312 1269 0.08      
33 A" 1241 1201 0.05      
34 A" 1161 1124 0.24      
35 A" 981 949 0.48      
36 A" 860 832 0.09      
37 A" 746 722 1.80      
38 A" 667 645 3.07      
39 A" 242 234 0.00      
40 A" 179 173 1.53      
41 A" 109 106 1.15      
42 A" 71 69 2.40      

Unscaled Zero Point Vibrational Energy (zpe) 30872.8 cm-1
Scaled (by 0.9675) Zero Point Vibrational Energy (zpe) 29869.5 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 B3LYPultrafine/aug-cc-pVTZ
ABC
0.35213 0.04830 0.04383

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.848 -2.059 0.000
C2 -0.342 -1.130 0.000
C3 0.000 0.358 0.000
C4 -1.239 1.255 0.000
C5 -0.896 2.745 0.000
O6 1.999 -1.711 0.000
H7 0.589 -3.139 0.000
H8 -0.955 -1.398 0.869
H9 -0.955 -1.398 -0.869
H10 0.619 0.582 -0.871
H11 0.619 0.582 0.871
H12 -1.854 1.024 0.875
H13 -1.854 1.024 -0.875
H14 -1.797 3.361 0.000
H15 -0.310 3.013 -0.881
H16 -0.310 3.013 0.881

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 O6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
C11.50962.56083.91645.11101.20231.11082.10792.10792.79062.79064.19214.19216.03035.27665.2766
C21.50961.52642.54833.91472.41182.21421.09651.09652.14802.14802.77362.77364.72034.23604.2360
C32.56081.52641.53012.55052.87623.54572.17902.17901.09191.09192.15602.15603.49962.81512.8151
C43.91642.54831.53011.52914.39094.75922.80592.80592.15942.15941.09391.09392.17802.17492.1749
C55.11103.91472.55051.52915.31386.06884.23354.23352.78072.78072.15522.15521.09071.09141.0914
O61.20232.41182.87624.39095.31382.00703.09493.09492.81452.81454.80544.80546.33445.33125.3312
H71.11082.21423.54574.75926.06882.00702.48412.48413.82203.82204.90584.90586.92356.27976.2797
H82.10791.09652.17902.80594.23353.09492.48411.73773.07002.52932.58353.11674.90964.78894.4579
H92.10791.09652.17902.80594.23353.09492.48411.73772.52933.07003.11672.58354.90964.45794.7889
H102.79062.14801.09192.15942.78072.81453.82203.07002.52931.74243.05932.51233.78312.60233.1371
H112.79062.14801.09192.15942.78072.81453.82202.52933.07001.74242.51233.05933.78313.13712.6023
H124.19212.77362.15601.09392.15524.80544.90582.58353.11673.05932.51231.74902.49523.06962.5182
H134.19212.77362.15601.09392.15524.80544.90583.11672.58352.51233.05931.74902.49522.51823.0696
H146.03034.72033.49962.17801.09076.33446.92354.90964.90963.78313.78312.49522.49521.76271.7627
H155.27664.23602.81512.17491.09145.33126.27974.78894.45792.60233.13713.06962.51821.76271.7614
H165.27664.23602.81512.17491.09145.33126.27974.45794.78893.13712.60232.51823.06961.76271.7614

picture of Pentanal state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 115.018 C1 C2 H8 106.891
C1 C2 H9 106.891 C2 C1 O6 125.197
C2 C1 H7 114.479 C2 C3 C4 112.965
C2 C3 H10 109.125 C2 C3 H11 109.125
C3 C2 H8 111.299 C3 C2 H9 111.299
C3 C4 C5 112.961 C3 C4 H12 109.373
C3 C4 H13 109.373 C4 C3 H10 109.758
C4 C3 H11 109.758 C4 C5 H14 111.384
C4 C5 H15 111.084 C4 C5 H16 111.084
C5 C4 H12 109.377 C5 C4 H13 109.377
O6 C1 H7 120.324 H8 C2 H9 104.810
H10 C3 H11 105.861 H12 C4 H13 106.152
H14 C5 H15 107.761 H14 C5 H16 107.761
H15 C5 H16 107.594
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.112      
2 C -0.195      
3 C 0.078      
4 C -0.179      
5 C -0.771      
6 O -0.653      
7 H 0.355      
8 H 0.171      
9 H 0.171      
10 H 0.148      
11 H 0.148      
12 H 0.146      
13 H 0.146      
14 H 0.169      
15 H 0.188      
16 H 0.188      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.792 -0.016 0.000 2.792
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -46.129 4.228 0.000
y 4.228 -37.688 0.000
z 0.000 0.000 -37.709
Traceless
 xyz
x -8.430 4.228 0.000
y 4.228 4.231 0.000
z 0.000 0.000 4.199
Polar
3z2-r28.399
x2-y2-8.440
xy4.228
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.340 -0.598 0.000
y -0.598 11.590 0.000
z 0.000 0.000 8.098


<r2> (average value of r2) Å2
<r2> 253.556
(<r2>)1/2 15.923