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All results from a given calculation for C5H6O (Pentadienal)

using model chemistry: B3LYP/6-31+G**

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/6-31+G**
 hartrees
Energy at 0K-269.343378
Energy at 298.15K-269.348908
HF Energy-269.343378
Nuclear repulsion energy193.251664
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/6-31+G**
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' 3249 3133 8.01      
2 A' 3185 3071 6.13      
3 A' 3167 3054 6.83      
4 A' 3156 3043 6.97      
5 A' 3139 3027 5.61      
6 A' 2902 2798 95.44      
7 A' 1760 1697 424.58      
8 A' 1696 1636 69.96      
9 A' 1650 1591 31.66      
10 A' 1460 1408 4.16      
11 A' 1414 1363 0.06      
12 A' 1327 1279 1.57      
13 A' 1318 1271 1.93      
14 A' 1268 1222 1.86      
15 A' 1199 1156 37.04      
16 A' 1129 1089 112.09      
17 A' 967 932 5.68      
18 A' 603 581 16.66      
19 A' 432 416 0.67      
20 A' 385 371 4.38      
21 A' 150 145 6.58      
22 A" 1047 1010 50.56      
23 A" 1018 981 3.90      
24 A" 985 950 17.18      
25 A" 957 923 30.16      
26 A" 879 848 9.61      
27 A" 651 628 3.23      
28 A" 281 271 8.02      
29 A" 215 207 1.73      
30 A" 98 94 3.11      

Unscaled Zero Point Vibrational Energy (zpe) 20842.5 cm-1
Scaled (by 0.9642) Zero Point Vibrational Energy (zpe) 20096.3 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/6-31+G**
ABC
0.96087 0.04449 0.04252

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.107 -1.588 0.000
O2 -1.093 -2.809 0.000
C3 0.091 -0.746 0.000
C4 0.000 0.604 0.000
C5 1.131 1.513 0.000
C6 1.006 2.852 0.000
H7 -2.073 -1.036 0.000
H8 1.052 -1.257 0.000
H9 -0.992 1.059 0.000
H10 2.123 1.064 0.000
H11 0.030 3.331 0.000
H12 1.873 3.504 0.000

Atom - Atom Distances (Å)
  C1 O2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.22111.46492.45573.82454.91741.11262.18412.64934.18005.04885.9004
O21.22112.37913.58374.86086.03782.02582.64763.86915.03486.24206.9754
C31.46492.37911.35262.48653.71222.18391.08802.10472.72144.07714.6083
C42.45573.58371.35261.45122.46302.64352.13731.09152.17282.72733.4527
C53.82454.86082.48651.45121.34494.09472.77082.17141.08902.12552.1250
C64.91746.03783.71222.46301.34494.95994.10902.68502.10811.08731.0851
H71.11262.02582.18392.64354.09474.95993.13272.35744.69304.84736.0159
H82.18412.64761.08802.13732.77084.10903.13273.08852.55664.70014.8312
H92.64933.86912.10471.09152.17142.68502.35743.08853.11572.49163.7672
H104.18005.03482.72142.17281.08902.10814.69302.55663.11573.08542.4525
H115.04886.24204.07712.72732.12551.08734.84734.70012.49163.08541.8515
H125.90046.97544.60833.45272.12501.08516.01594.83123.76722.45251.8515

picture of Pentadienal state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 C4 121.235 C1 C3 H8 116.877
O2 C1 C3 124.440 O2 C1 H7 120.401
C3 C1 H7 115.159 C3 C4 C5 124.916
C3 C4 H9 118.498 C4 C3 H8 121.888
C4 C5 C6 123.453 C4 C5 H10 116.887
C5 C4 H9 116.586 C5 C6 H11 121.472
C5 C6 H12 121.606 C6 C5 H10 119.660
H11 C6 H12 116.922
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.030      
2 O -0.405      
3 C -0.021      
4 C -0.084      
5 C 0.022      
6 C -0.352      
7 H 0.105      
8 H 0.146      
9 H 0.133      
10 H 0.135      
11 H 0.143      
12 H 0.149      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.032 4.297 0.000 4.419
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.277 -3.444 0.000
y -3.444 -44.610 0.000
z 0.000 0.000 -38.751
Traceless
 xyz
x 8.403 -3.444 0.000
y -3.444 -8.596 0.000
z 0.000 0.000 0.192
Polar
3z2-r20.385
x2-y211.333
xy-3.444
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.120 3.201 0.000
y 3.201 19.134 0.000
z 0.000 0.000 5.550


<r2> (average value of r2) Å2
<r2> 244.008
(<r2>)1/2 15.621