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All results from a given calculation for C5H10O (Pentanal)

using model chemistry: BLYP/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at BLYP/cc-pVDZ
 hartrees
Energy at 0K-271.640984
Energy at 298.15K-271.651616
Nuclear repulsion energy228.097188
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 BLYP/cc-pVDZ
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' 3016 3021 39.82      
2 A' 2953 2958 40.11      
3 A' 2945 2950 20.42      
4 A' 2925 2929 34.33      
5 A' 2909 2914 20.86      
6 A' 2726 2731 204.64      
7 A' 1739 1742 138.38      
8 A' 1444 1447 3.57      
9 A' 1428 1431 0.10      
10 A' 1419 1421 1.21      
11 A' 1385 1387 11.21      
12 A' 1361 1363 3.01      
13 A' 1357 1359 5.25      
14 A' 1346 1348 5.75      
15 A' 1313 1316 21.96      
16 A' 1234 1236 1.77      
17 A' 1095 1097 8.88      
18 A' 1038 1039 1.20      
19 A' 1004 1005 3.77      
20 A' 891 892 0.90      
21 A' 860 862 16.59      
22 A' 668 669 10.46      
23 A' 384 384 2.02      
24 A' 283 283 3.68      
25 A' 134 134 4.27      
26 A" 3010 3015 63.40      
27 A" 2988 2992 28.38      
28 A" 2948 2953 9.67      
29 A" 2927 2932 10.84      
30 A" 1429 1432 4.93      
31 A" 1283 1285 0.23      
32 A" 1263 1265 0.01      
33 A" 1189 1191 0.01      
34 A" 1111 1113 0.10      
35 A" 945 947 1.01      
36 A" 830 832 0.02      
37 A" 732 733 2.31      
38 A" 651 652 2.24      
39 A" 241 241 0.00      
40 A" 189 189 0.37      
41 A" 112 112 0.70      
42 A" 66 66 1.34      

Unscaled Zero Point Vibrational Energy (zpe) 29883.9 cm-1
Scaled (by 1.0016) Zero Point Vibrational Energy (zpe) 29931.7 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 BLYP/cc-pVDZ
ABC
0.33995 0.04752 0.04304

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.823 -2.090 0.000
C2 -0.365 -1.138 0.000
C3 0.000 0.356 0.000
C4 -1.231 1.287 0.000
C5 -0.858 2.783 0.000
O6 1.996 -1.746 0.000
H7 0.538 -3.188 0.000
H8 -0.996 -1.409 0.880
H9 -0.996 -1.409 -0.880
H10 0.638 0.573 -0.884
H11 0.638 0.573 0.884
H12 -1.864 1.062 0.888
H13 -1.864 1.062 -0.888
H14 -1.761 3.427 0.000
H15 -0.256 3.048 -0.895
H16 -0.256 3.048 0.895

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 O6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
C11.52252.58163.95325.15501.22181.13452.13342.13342.81202.81204.23624.23626.09285.32565.3256
C21.52251.53852.57533.95192.43742.24021.11661.11662.17102.17102.80652.80654.77424.28174.2817
C32.58161.53851.54342.57362.89893.58552.20972.20971.11131.11132.18192.18193.53992.84742.8474
C43.95322.57531.54341.54174.42874.81252.84522.84522.18762.18761.11341.11342.20492.20282.2028
C55.15503.95192.57361.54175.35316.13234.28494.28492.81142.81142.18232.18231.10921.11061.1106
O61.22182.43742.89894.42875.35312.05053.13723.13722.82892.82894.85484.85486.39355.37115.3711
H71.13452.24023.58554.81256.13232.05052.50952.50953.86483.86484.96214.96217.00386.34966.3496
H82.13341.11662.20972.84524.28493.13722.50951.76023.11572.56802.61813.15944.97434.85334.5172
H92.13341.11662.20972.84524.28493.13722.50951.76022.56803.11573.15942.61814.97434.51724.8533
H102.81202.17101.11132.18762.81142.82893.86483.11572.56801.76853.10462.54883.83202.63133.1762
H112.81202.17101.11132.18762.81142.82893.86482.56803.11571.76852.54883.10463.83203.17622.6313
H124.23622.80652.18191.11342.18234.85484.96212.61813.15943.10462.54881.77672.52903.11582.5553
H134.23622.80652.18191.11342.18234.85484.96213.15942.61812.54883.10461.77672.52902.55533.1158
H146.09284.77423.53992.20491.10926.39357.00384.97434.97433.83203.83202.52902.52901.79161.7916
H155.32564.28172.84742.20281.11065.37116.34964.85334.51722.63133.17623.11582.55531.79161.7893
H165.32564.28172.84742.20281.11065.37116.34964.51724.85333.17622.63132.55533.11581.79161.7893

picture of Pentanal state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 114.994 C1 C2 H8 106.867
C1 C2 H9 106.867 C2 C1 O6 124.932
C2 C1 H7 114.147 C2 C3 C4 113.360
C2 C3 H10 108.961 C2 C3 H11 108.961
C3 C2 H8 111.673 C3 C2 H9 111.673
C3 C4 C5 113.063 C3 C4 H12 109.346
C3 C4 H13 109.346 C4 C3 H10 109.908
C4 C3 H11 109.908 C4 C5 H14 111.518
C4 C5 H15 111.263 C4 C5 H16 111.263
C5 C4 H12 109.493 C5 C4 H13 109.493
O6 C1 H7 120.921 H8 C2 H9 104.036
H10 C3 H11 105.432 H12 C4 H13 105.845
H14 C5 H15 107.631 H14 C5 H16 107.631
H15 C5 H16 107.329
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.133      
2 C -0.015      
3 C 0.032      
4 C -0.008      
5 C 0.025      
6 O -0.161      
7 H -0.038      
8 H 0.018      
9 H 0.018      
10 H 0.001      
11 H 0.001      
12 H -0.010      
13 H -0.010      
14 H -0.000      
15 H 0.008      
16 H 0.008      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.313 0.047 0.000 2.314
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -44.352 3.695 0.000
y 3.695 -37.946 0.000
z 0.000 0.000 -37.640
Traceless
 xyz
x -6.559 3.695 0.000
y 3.695 3.050 0.000
z 0.000 0.000 3.510
Polar
3z2-r27.019
x2-y2-6.406
xy3.695
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.289 -0.547 0.000
y -0.547 10.784 0.000
z 0.000 0.000 7.218


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000