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All results from a given calculation for C5H6O (Pentadienal)

using model chemistry: PBE1PBE/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBE1PBE/aug-cc-pVDZ
 hartrees
Energy at 0K-269.033827
Energy at 298.15K-269.039404
HF Energy-269.033827
Nuclear repulsion energy193.647823
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 PBE1PBE/aug-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' 3270 3145 4.89      
2 A' 3202 3079 3.64      
3 A' 3187 3065 5.16      
4 A' 3167 3045 4.65      
5 A' 3159 3037 3.76      
6 A' 2909 2798 87.26      
7 A' 1786 1718 428.24      
8 A' 1719 1653 75.38      
9 A' 1666 1602 26.29      
10 A' 1441 1386 5.40      
11 A' 1392 1339 0.15      
12 A' 1313 1263 2.83      
13 A' 1309 1258 2.81      
14 A' 1251 1203 5.54      
15 A' 1193 1147 30.30      
16 A' 1143 1099 102.48      
17 A' 960 923 5.67      
18 A' 599 576 16.82      
19 A' 434 417 0.52      
20 A' 383 368 4.09      
21 A' 149 143 6.60      
22 A" 1047 1006 46.00      
23 A" 1024 985 5.74      
24 A" 994 956 21.16      
25 A" 970 933 20.57      
26 A" 889 855 9.20      
27 A" 657 632 2.83      
28 A" 288 277 7.43      
29 A" 217 209 1.65      
30 A" 98 94 3.08      

Unscaled Zero Point Vibrational Energy (zpe) 20907.5 cm-1
Scaled (by 0.9616) Zero Point Vibrational Energy (zpe) 20104.7 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 PBE1PBE/aug-cc-pVDZ
ABC
0.95561 0.04479 0.04278

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.096 -1.588 0.000
O2 -1.081 -2.803 0.000
C3 0.100 -0.746 0.000
C4 0.000 0.600 0.000
C5 1.123 1.513 0.000
C6 0.985 2.848 0.000
H7 -2.064 -1.031 0.000
H8 1.067 -1.255 0.000
H9 -1.000 1.048 0.000
H10 2.123 1.071 0.000
H11 -0.002 3.315 0.000
H12 1.849 3.512 0.000

Atom - Atom Distances (Å)
  C1 O2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.21421.46242.44713.81374.90041.11782.18842.63804.17555.02445.8896
O21.21422.37123.56994.84616.01672.02642.64773.85125.02726.21246.9614
C31.46242.37121.34982.48053.70212.18291.09252.10472.71984.06314.6038
C42.44713.56991.34981.44792.45492.63062.13941.09612.17512.71583.4498
C53.81374.84612.48051.44791.34254.07842.76832.17411.09332.12492.1267
C64.90046.01673.70212.45491.34254.93414.10392.68002.11091.09171.0897
H71.11782.02642.18292.63064.07844.93413.13942.33514.68564.81075.9960
H82.18842.64771.09252.13942.76834.10393.13943.09442.55434.69344.8305
H92.63803.85122.10471.09612.17412.68002.33513.09443.12382.47763.7671
H104.17555.02722.71982.17511.09332.11094.68562.55433.12383.09112.4565
H115.02446.21244.06312.71582.12491.09174.81074.69342.47763.09111.8615
H125.88966.96144.60383.44982.12671.08975.99604.83053.76712.45651.8615

picture of Pentadienal state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 C4 120.911 C1 C3 H8 117.122
O2 C1 C3 124.467 O2 C1 H7 120.621
C3 C1 H7 114.912 C3 C4 C5 124.864
C3 C4 H9 118.380 C4 C3 H8 121.967
C4 C5 C6 123.180 C4 C5 H10 117.038
C5 C4 H9 116.755 C5 C6 H11 121.259
C5 C6 H12 121.591 C6 C5 H10 119.782
H11 C6 H12 117.150
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.535      
2 O -0.601      
3 C 0.625      
4 C 1.269      
5 C 1.075      
6 C 0.305      
7 H -0.303      
8 H -0.639      
9 H -0.730      
10 H -0.648      
11 H -0.462      
12 H -0.426      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.041 4.159 0.000 4.288
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.912 -3.252 0.000
y -3.252 -43.592 0.000
z 0.000 0.000 -38.464
Traceless
 xyz
x 8.116 -3.252 0.000
y -3.252 -7.904 0.000
z 0.000 0.000 -0.212
Polar
3z2-r2-0.424
x2-y210.680
xy-3.252
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.657 3.133 0.000
y 3.133 18.918 0.000
z 0.000 0.000 6.259


<r2> (average value of r2) Å2
<r2> 242.369
(<r2>)1/2 15.568