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All results from a given calculation for C5H6O (Pentadienal)

using model chemistry: PBEPBEultrafine/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBEultrafine/cc-pVTZ
 hartrees
Energy at 0K-269.078691
Energy at 298.15K-269.084134
HF Energy-269.078691
Nuclear repulsion energy193.234029
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 PBEPBEultrafine/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' 3164 3142 6.43      
2 A' 3093 3072 6.60      
3 A' 3077 3055 5.00      
4 A' 3071 3050 7.28      
5 A' 3044 3023 5.82      
6 A' 2765 2746 115.90      
7 A' 1701 1689 292.72      
8 A' 1634 1623 69.07      
9 A' 1596 1585 26.19      
10 A' 1408 1398 4.72      
11 A' 1359 1350 0.07      
12 A' 1282 1273 2.31      
13 A' 1273 1265 2.06      
14 A' 1221 1213 4.97      
15 A' 1162 1154 18.91      
16 A' 1103 1095 106.77      
17 A' 939 933 5.00      
18 A' 585 581 14.89      
19 A' 422 419 0.59      
20 A' 372 369 3.49      
21 A' 144 143 5.09      
22 A" 1020 1012 45.49      
23 A" 984 977 1.73      
24 A" 955 948 11.12      
25 A" 919 913 25.81      
26 A" 859 853 7.73      
27 A" 637 633 2.30      
28 A" 281 279 5.73      
29 A" 214 212 1.30      
30 A" 95 94 2.15      

Unscaled Zero Point Vibrational Energy (zpe) 20188.6 cm-1
Scaled (by 0.9931) Zero Point Vibrational Energy (zpe) 20049.3 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 PBEPBEultrafine/cc-pVTZ
ABC
0.95821 0.04455 0.04257

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.086 -1.597 0.000
O2 -1.069 -2.819 0.000
C3 0.103 -0.747 0.000
C4 0.000 0.604 0.000
C5 1.113 1.522 0.000
C6 0.971 2.861 0.000
H7 -2.057 -1.033 0.000
H8 1.074 -1.250 0.000
H9 -1.004 1.045 0.000
H10 2.116 1.085 0.000
H11 -0.017 3.325 0.000
H12 1.833 3.528 0.000

Atom - Atom Distances (Å)
  C1 O2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.22221.46182.45443.81694.91011.12282.18792.64394.17715.03705.8982
O21.22222.38053.58614.85916.03552.04122.65613.86535.03846.23366.9791
C31.46182.38051.35492.48413.71112.17901.09322.10702.72194.07394.6119
C42.45443.58611.35491.44322.45732.62912.14201.09722.17002.72123.4511
C53.81694.85912.48411.44321.34624.07222.77222.17061.09412.12772.1310
C64.91016.03553.71112.45731.34624.93334.11192.68322.11301.09191.0895
H71.12282.04122.17902.62914.07224.93333.13852.33024.68004.81225.9948
H82.18792.65611.09322.14202.77224.11193.13853.09622.55664.70294.8376
H92.64393.86532.10701.09722.17062.68322.33023.09623.12072.48423.7700
H104.17715.03842.72192.17001.09412.11304.68002.55663.12073.09332.4596
H115.03706.23364.07392.72122.12771.09194.81224.70292.48423.09331.8609
H125.89826.97914.61193.45112.13101.08955.99484.83763.77002.45961.8609

picture of Pentadienal state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 C4 121.199 C1 C3 H8 117.079
O2 C1 C3 124.743 O2 C1 H7 120.958
C3 C1 H7 114.299 C3 C4 C5 125.168
C3 C4 H9 118.095 C4 C3 H8 121.722
C4 C5 C6 123.479 C4 C5 H10 116.908
C5 C4 H9 116.737 C5 C6 H11 121.195
C5 C6 H12 121.711 C6 C5 H10 119.612
H11 C6 H12 117.094
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.109      
2 O -0.235      
3 C -0.098      
4 C -0.055      
5 C -0.052      
6 C -0.225      
7 H 0.023      
8 H 0.106      
9 H 0.092      
10 H 0.107      
11 H 0.109      
12 H 0.120      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.099 3.915 0.000 4.066
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.219 -2.890 0.000
y -2.890 -42.560 0.000
z 0.000 0.000 -38.070
Traceless
 xyz
x 7.096 -2.890 0.000
y -2.890 -6.916 0.000
z 0.000 0.000 -0.180
Polar
3z2-r2-0.361
x2-y29.341
xy-2.890
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.593 3.300 0.000
y 3.300 18.799 0.000
z 0.000 0.000 4.913


<r2> (average value of r2) Å2
<r2> 243.159
(<r2>)1/2 15.594