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All results from a given calculation for C5H6O (Pentadienal)

using model chemistry: B3LYP/CEP-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYP/CEP-31G
 hartrees
Energy at 0K-47.706897
Energy at 298.15K-47.712487
HF Energy-47.706897
Nuclear repulsion energy100.205772
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/CEP-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' 3254 3151 31.96      
2 A' 3192 3091 8.53      
3 A' 3172 3072 12.70      
4 A' 3151 3051 17.58      
5 A' 3146 3046 6.74      
6 A' 2956 2863 107.64      
7 A' 1687 1633 67.12      
8 A' 1654 1601 286.52      
9 A' 1611 1560 66.92      
10 A' 1458 1412 12.24      
11 A' 1394 1350 5.45      
12 A' 1333 1291 0.17      
13 A' 1322 1280 3.92      
14 A' 1279 1238 1.18      
15 A' 1210 1171 36.80      
16 A' 1143 1107 91.55      
17 A' 963 933 8.97      
18 A' 589 571 17.95      
19 A' 428 415 0.70      
20 A' 376 364 6.65      
21 A' 149 144 6.98      
22 A" 1080 1046 106.90      
23 A" 1039 1006 17.00      
24 A" 1003 972 4.68      
25 A" 987 955 57.18      
26 A" 925 895 12.66      
27 A" 671 649 3.85      
28 A" 288 279 12.78      
29 A" 236 228 1.18      
30 A" 108 104 4.11      

Unscaled Zero Point Vibrational Energy (zpe) 20900.7 cm-1
Scaled (by 0.9684) Zero Point Vibrational Energy (zpe) 20240.2 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/CEP-31G
ABC
0.92750 0.04303 0.04113

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.125 -1.601 0.000
O2 -1.115 -2.864 0.000
C3 0.095 -0.760 0.000
C4 0.000 0.618 0.000
C5 1.155 1.532 0.000
C6 1.020 2.900 0.000
H7 -2.094 -1.048 0.000
H8 1.061 -1.274 0.000
H9 -0.995 1.082 0.000
H10 2.152 1.078 0.000
H11 0.035 3.378 0.000
H12 1.892 3.561 0.000

Atom - Atom Distances (Å)
  C1 O2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.26271.48242.48843.87544.98681.11542.21102.68644.23345.11275.9796
O21.26272.42743.65634.94776.14712.06262.69563.94775.12036.34717.0940
C31.48242.42741.38132.52523.77532.20801.09442.14042.75874.13844.6797
C42.48843.65631.38131.47292.49992.67622.16931.09822.20082.76013.4987
C53.87544.94772.52521.47291.37464.14912.80752.19701.09572.15912.1586
C64.98686.14713.77532.49991.37465.02914.17422.71482.14481.09531.0939
H71.11542.06262.20802.67624.14915.02913.16342.39694.74894.91176.0940
H82.21102.69561.09442.16932.80754.17423.16343.12722.59274.76374.9056
H92.68643.94772.14041.09822.19702.71482.39693.12723.14762.51673.8059
H104.23345.12032.75872.20081.09572.14484.74892.59273.14763.12602.4962
H115.11276.34714.13842.76012.15911.09534.91174.76372.51673.12601.8664
H125.97967.09404.67973.49872.15861.09396.09404.90563.80592.49621.8664

picture of Pentadienal state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 C4 120.637 C1 C3 H8 117.409
O2 C1 C3 124.129 O2 C1 H7 120.175
C3 C1 H7 115.697 C3 C4 C5 124.412
C3 C4 H9 118.930 C4 C3 H8 121.954
C4 C5 C6 122.747 C4 C5 H10 117.165
C5 C4 H9 116.658 C5 C6 H11 121.476
C5 C6 H12 121.543 C6 C5 H10 120.088
H11 C6 H12 116.981
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.452      
2 O -0.103      
3 C 0.022      
4 C -0.370      
5 C 0.048      
6 C -0.631      
7 H 0.177      
8 H 0.311      
9 H 0.295      
10 H 0.287      
11 H 0.211      
12 H 0.205      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.069 4.807 0.000 4.924
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.931 -4.125 0.000
y -4.125 -45.629 0.000
z 0.000 0.000 -38.542
Traceless
 xyz
x 10.155 -4.125 0.000
y -4.125 -10.392 0.000
z 0.000 0.000 0.238
Polar
3z2-r20.476
x2-y213.698
xy-4.125
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.751 3.506 0.000
y 3.506 18.926 0.000
z 0.000 0.000 3.758


<r2> (average value of r2) Å2
<r2> 196.443
(<r2>)1/2 14.016