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All results from a given calculation for C5H6O (Pentadienal)

using model chemistry: B3PW91/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/6-31G*
 hartrees
Energy at 0K-269.211043
Energy at 298.15K-269.216553
HF Energy-269.211043
Nuclear repulsion energy193.635843
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 B3PW91/6-31G*
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' 3267 3126 8.71      
2 A' 3203 3065 6.21      
3 A' 3184 3046 6.60      
4 A' 3175 3038 9.07      
5 A' 3153 3016 7.00      
6 A' 2899 2773 115.96      
7 A' 1806 1727 331.55      
8 A' 1721 1647 60.23      
9 A' 1673 1601 25.72      
10 A' 1471 1407 3.96      
11 A' 1429 1367 0.36      
12 A' 1335 1277 2.65      
13 A' 1329 1271 2.01      
14 A' 1273 1218 3.47      
15 A' 1206 1154 26.74      
16 A' 1141 1092 107.18      
17 A' 972 930 5.99      
18 A' 602 576 15.92      
19 A' 432 413 0.50      
20 A' 381 364 4.34      
21 A' 147 141 5.58      
22 A" 1058 1012 40.14      
23 A" 1023 979 5.40      
24 A" 991 948 12.17      
25 A" 955 914 32.97      
26 A" 880 842 7.90      
27 A" 654 625 2.07      
28 A" 284 271 6.56      
29 A" 216 206 1.22      
30 A" 98 94 2.61      

Unscaled Zero Point Vibrational Energy (zpe) 20976.6 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 20068.3 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 B3PW91/6-31G*
ABC
0.96128 0.04470 0.04271

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.095 -1.592 0.000
O2 -1.078 -2.807 0.000
C3 0.099 -0.745 0.000
C4 0.000 0.601 0.000
C5 1.121 1.516 0.000
C6 0.984 2.851 0.000
H7 -2.060 -1.033 0.000
H8 1.063 -1.251 0.000
H9 -0.996 1.048 0.000
H10 2.117 1.075 0.000
H11 0.003 3.321 0.000
H12 1.844 3.514 0.000

Atom - Atom Distances (Å)
  C1 O2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.21601.46352.45043.81714.90491.11492.18452.64194.17535.03425.8911
O21.21602.37463.57454.85106.02252.02802.64703.85685.02896.22366.9643
C31.46352.37461.34952.48183.70362.17791.08842.10182.71834.06804.6029
C42.45043.57451.34951.44762.45612.62882.13511.09232.17012.72093.4480
C53.81714.85102.48181.44761.34184.07632.76812.16841.08952.12352.1245
C64.90496.02253.70362.45611.34184.93434.10302.67762.10661.08801.0860
H71.11492.02802.17792.62884.07634.93433.13022.33734.67914.81815.9927
H82.18452.64701.08842.13512.76814.10303.13023.08682.55454.69394.8289
H92.64193.85682.10181.09232.16842.67762.33733.08683.11382.48293.7610
H104.17535.02892.71832.17011.08952.10664.67912.55453.11383.08492.4540
H115.03426.22364.06802.72092.12351.08804.81814.69392.48293.08491.8510
H125.89116.96434.60293.44802.12451.08605.99274.82893.76102.45401.8510

picture of Pentadienal state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 C4 121.114 C1 C3 H8 116.979
O2 C1 C3 124.540 O2 C1 H7 120.865
C3 C1 H7 114.595 C3 C4 C5 125.029
C3 C4 H9 118.422 C4 C3 H8 121.907
C4 C5 C6 123.367 C4 C5 H10 116.890
C5 C4 H9 116.549 C5 C6 H11 121.497
C5 C6 H12 121.761 C6 C5 H10 119.743
H11 C6 H12 116.742
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.217      
2 O -0.419      
3 C -0.203      
4 C -0.131      
5 C -0.095      
6 C -0.385      
7 H 0.121      
8 H 0.184      
9 H 0.172      
10 H 0.175      
11 H 0.180      
12 H 0.185      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.014 3.925 0.000 4.053
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.133 -3.034 0.000
y -3.034 -41.721 0.000
z 0.000 0.000 -37.279
Traceless
 xyz
x 7.367 -3.034 0.000
y -3.034 -7.015 0.000
z 0.000 0.000 -0.352
Polar
3z2-r2-0.705
x2-y29.588
xy-3.034
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.137 2.866 0.000
y 2.866 17.055 0.000
z 0.000 0.000 3.111


<r2> (average value of r2) Å2
<r2> 241.874
(<r2>)1/2 15.552