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All results from a given calculation for C5H6O (Pentadienal)

using model chemistry: HSEh1PBE/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HSEh1PBE/6-31G*
 hartrees
Energy at 0K-269.019278
Energy at 298.15K-269.024813
HF Energy-269.019278
Nuclear repulsion energy193.932269
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 HSEh1PBE/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' 3283 3122 7.76      
2 A' 3218 3061 5.35      
3 A' 3200 3043 6.27      
4 A' 3190 3033 7.80      
5 A' 3166 3011 6.79      
6 A' 2916 2773 111.46      
7 A' 1824 1735 339.83      
8 A' 1735 1650 63.18      
9 A' 1685 1603 24.48      
10 A' 1474 1402 4.21      
11 A' 1432 1362 0.55      
12 A' 1336 1271 3.04      
13 A' 1332 1267 2.28      
14 A' 1275 1212 4.50      
15 A' 1210 1150 25.25      
16 A' 1150 1094 105.79      
17 A' 974 926 6.34      
18 A' 604 574 16.19      
19 A' 435 414 0.48      
20 A' 382 363 4.42      
21 A' 148 140 5.63      
22 A" 1063 1011 39.71      
23 A" 1029 979 6.02      
24 A" 996 947 12.75      
25 A" 961 914 32.59      
26 A" 885 841 8.12      
27 A" 658 626 2.12      
28 A" 287 273 6.67      
29 A" 217 207 1.27      
30 A" 99 94 2.62      

Unscaled Zero Point Vibrational Energy (zpe) 21081.1 cm-1
Scaled (by 0.951) Zero Point Vibrational Energy (zpe) 20048.2 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 HSEh1PBE/6-31G*
ABC
0.96157 0.04487 0.04287

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.090 -1.590 0.000
O2 -1.074 -2.803 0.000
C3 0.102 -0.745 0.000
C4 0.000 0.599 0.000
C5 1.118 1.515 0.000
C6 0.976 2.848 0.000
H7 -2.054 -1.030 0.000
H8 1.066 -1.249 0.000
H9 -0.997 1.044 0.000
H10 2.115 1.076 0.000
H11 -0.007 3.312 0.000
H12 1.833 3.514 0.000

Atom - Atom Distances (Å)
  C1 O2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.21351.46152.44523.81054.89501.11432.18322.63614.16925.02045.8818
O21.21352.37063.56754.84306.01122.02592.64463.84865.02196.20796.9540
C31.46152.37061.34742.47803.69722.17481.08802.09982.71454.05864.5972
C42.44523.56751.34741.44582.45152.62162.13341.09202.16812.71363.4436
C53.81054.84302.47801.44581.33994.06722.76502.16681.08912.12032.1228
C64.89506.01123.69722.45151.33994.92134.09782.67282.10571.08761.0854
H71.11432.02592.17482.62164.06724.92133.12772.32864.67094.80085.9798
H82.18322.64461.08802.13342.76504.09783.12773.08492.55114.68614.8247
H92.63613.84862.09981.09202.16682.67282.32863.08493.11192.47433.7557
H104.16925.02192.71452.16811.08912.10574.67092.55113.11193.08262.4542
H115.02046.20794.05862.71362.12031.08764.80084.68612.47433.08261.8508
H125.88186.95404.59723.44362.12281.08545.97984.82473.75572.45421.8508

picture of Pentadienal state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 C4 120.988 C1 C3 H8 117.052
O2 C1 C3 124.543 O2 C1 H7 120.929
C3 C1 H7 114.527 C3 C4 C5 125.001
C3 C4 H9 118.432 C4 C3 H8 121.960
C4 C5 C6 123.254 C4 C5 H10 116.892
C5 C4 H9 116.567 C5 C6 H11 121.383
C5 C6 H12 121.808 C6 C5 H10 119.853
H11 C6 H12 116.809
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.216      
2 O -0.418      
3 C -0.207      
4 C -0.135      
5 C -0.099      
6 C -0.386      
7 H 0.123      
8 H 0.186      
9 H 0.175      
10 H 0.177      
11 H 0.181      
12 H 0.187      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.003 3.919 0.000 4.046
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.196 -3.018 0.000
y -3.018 -41.755 0.000
z 0.000 0.000 -37.369
Traceless
 xyz
x 7.366 -3.018 0.000
y -3.018 -6.973 0.000
z 0.000 0.000 -0.393
Polar
3z2-r2-0.786
x2-y29.559
xy-3.018
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.065 2.796 0.000
y 2.796 16.959 0.000
z 0.000 0.000 3.106


<r2> (average value of r2) Å2
<r2> 241.129
(<r2>)1/2 15.528