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All results from a given calculation for C5H6O (Pentadienal)

using model chemistry: B3LYP/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 B3LYP/6-31G*
 hartrees
Energy at 0K-269.318998
Energy at 298.15K-269.324525
HF Energy-269.318998
Nuclear repulsion energy193.401463
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/6-31G*
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' 3254 3125 10.38      
2 A' 3192 3065 7.73      
3 A' 3173 3047 5.85      
4 A' 3166 3041 10.81      
5 A' 3144 3019 6.70      
6 A' 2890 2775 115.67      
7 A' 1790 1719 322.00      
8 A' 1713 1645 58.62      
9 A' 1667 1601 26.32      
10 A' 1475 1416 3.44      
11 A' 1433 1376 0.43      
12 A' 1338 1285 2.44      
13 A' 1331 1279 1.84      
14 A' 1276 1226 2.19      
15 A' 1206 1158 29.70      
16 A' 1133 1088 107.64      
17 A' 973 934 5.07      
18 A' 604 580 15.99      
19 A' 432 415 0.58      
20 A' 384 369 4.09      
21 A' 149 143 5.56      
22 A" 1060 1018 33.33      
23 A" 1024 983 5.00      
24 A" 993 954 9.65      
25 A" 955 917 30.11      
26 A" 882 847 6.70      
27 A" 656 630 1.83      
28 A" 284 273 5.87      
29 A" 218 210 1.18      
30 A" 99 95 2.76      

Unscaled Zero Point Vibrational Energy (zpe) 20946.8 cm-1
Scaled (by 0.9603) Zero Point Vibrational Energy (zpe) 20115.2 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 B3LYP/6-31G*
ABC
0.96214 0.04455 0.04258

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.102 -1.592 0.000
O2 -1.084 -2.810 0.000
C3 0.094 -0.745 0.000
C4 0.000 0.602 0.000
C5 1.126 1.516 0.000
C6 0.995 2.852 0.000
H7 -2.066 -1.034 0.000
H8 1.057 -1.253 0.000
H9 -0.994 1.054 0.000
H10 2.120 1.071 0.000
H11 0.017 3.328 0.000
H12 1.857 3.512 0.000

Atom - Atom Distances (Å)
  C1 O2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.21791.46602.45583.82454.91461.11462.18462.64894.18005.04595.9000
O21.21792.37823.58084.85856.03242.02942.64733.86565.03306.23616.9730
C31.46602.37821.35032.48533.70822.18001.08822.10252.72024.07334.6072
C42.45583.58081.35031.45032.46032.63592.13511.09182.17122.72563.4518
C53.82454.85852.48531.45031.34254.08612.77032.16971.08932.12422.1253
C64.91466.03243.70822.46031.34254.94754.10602.68132.10711.08771.0856
H71.11462.02942.18002.63594.08614.94753.13042.34774.68584.83396.0052
H82.18462.64731.08822.13512.77034.10603.13043.08672.55574.69754.8317
H92.64893.86562.10251.09182.16972.68132.34773.08673.11402.48813.7643
H104.18005.03302.72022.17121.08932.10714.68582.55573.11403.08522.4550
H115.04596.23614.07332.72562.12421.08774.83394.69752.48813.08521.8499
H125.90006.97304.60723.45182.12531.08566.00524.83173.76432.45501.8499

picture of Pentadienal state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 C4 121.324 C1 C3 H8 116.813
O2 C1 C3 124.523 O2 C1 H7 120.868
C3 C1 H7 114.609 C3 C4 C5 125.056
C3 C4 H9 118.459 C4 C3 H8 121.862
C4 C5 C6 123.462 C4 C5 H10 116.795
C5 C4 H9 116.485 C5 C6 H11 121.522
C5 C6 H12 121.795 C6 C5 H10 119.742
H11 C6 H12 116.683
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.229      
2 O -0.415      
3 C -0.165      
4 C -0.099      
5 C -0.062      
6 C -0.338      
7 H 0.098      
8 H 0.152      
9 H 0.143      
10 H 0.144      
11 H 0.155      
12 H 0.160      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.015 3.894 0.000 4.024
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.571 -3.026 0.000
y -3.026 -42.148 0.000
z 0.000 0.000 -37.194
Traceless
 xyz
x 7.100 -3.026 0.000
y -3.026 -7.265 0.000
z 0.000 0.000 0.165
Polar
3z2-r20.331
x2-y29.577
xy-3.026
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.167 2.900 0.000
y 2.900 17.065 0.000
z 0.000 0.000 3.085


<r2> (average value of r2) Å2
<r2> 242.728
(<r2>)1/2 15.580