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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-269.140567
Energy at 298.15K-269.146189
HF Energy-269.140567
Nuclear repulsion energy192.928310
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' 3278 3140 12.01      
2 A' 3212 3076 7.15      
3 A' 3189 3054 8.37      
4 A' 3178 3044 8.84      
5 A' 3155 3022 7.31      
6 A' 2956 2831 107.67      
7 A' 1722 1649 23.42      
8 A' 1713 1641 341.26      
9 A' 1666 1596 1.53      
10 A' 1492 1429 8.93      
11 A' 1433 1373 4.86      
12 A' 1362 1305 1.27      
13 A' 1346 1289 2.90      
14 A' 1306 1250 2.01      
15 A' 1230 1178 28.11      
16 A' 1164 1114 94.03      
17 A' 991 950 7.94      
18 A' 611 585 17.07      
19 A' 442 424 0.58      
20 A' 387 370 5.52      
21 A' 151 145 6.09      
22 A" 1069 1024 56.08      
23 A" 1037 993 0.11      
24 A" 1011 969 43.59      
25 A" 988 946 21.05      
26 A" 911 872 11.80      
27 A" 664 636 3.01      
28 A" 285 273 8.57      
29 A" 224 215 1.32      
30 A" 103 98 3.10      

Unscaled Zero Point Vibrational Energy (zpe) 21138.8 cm-1
Scaled (by 0.9577) Zero Point Vibrational Energy (zpe) 20244.7 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 B3PW91/6-31G
ABC
0.96255 0.04440 0.04244

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 -1.114 -1.575 0.000
O2 -1.102 -2.817 0.000
C3 0.082 -0.744 0.000
C4 0.000 0.608 0.000
C5 1.136 1.507 0.000
C6 1.023 2.848 0.000
H7 -2.075 -1.024 0.000
H8 1.041 -1.257 0.000
H9 -0.989 1.072 0.000
H10 2.124 1.048 0.000
H11 0.053 3.339 0.000
H12 1.894 3.495 0.000

Atom - Atom Distances (Å)
  C1 O2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.24271.45562.45033.81494.91181.10742.17742.64904.16655.05005.8945
O21.24272.38733.59814.86856.05072.03982.65023.89045.03446.26346.9870
C31.45562.38731.35442.48513.71332.17451.08742.10752.71694.08284.6100
C42.45033.59811.35441.44842.46272.63992.13561.09202.16892.73133.4528
C53.81494.86852.48511.44841.34634.08832.76512.16881.08892.12842.1280
C64.91186.05073.71332.46271.34634.95924.10502.68412.10961.08721.0847
H71.10742.03982.17452.63994.08834.95923.12382.36054.68214.85446.0145
H82.17742.65021.08742.13562.76514.10503.12383.08862.54704.70064.8279
H92.64903.89042.10751.09202.16882.68412.36053.08863.11262.49523.7661
H104.16655.03442.71692.16891.08892.10964.68212.54703.11263.08782.4574
H115.05006.26344.08282.73132.12841.08724.85444.70062.49523.08781.8476
H125.89456.98704.61003.45282.12801.08476.01454.82793.76612.45741.8476

picture of Pentadienal state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 C4 121.337 C1 C3 H8 117.052
O2 C1 C3 124.247 O2 C1 H7 120.340
C3 C1 H7 115.413 C3 C4 C5 124.880
C3 C4 H9 118.575 C4 C3 H8 121.610
C4 C5 C6 123.537 C4 C5 H10 116.771
C5 C4 H9 116.545 C5 C6 H11 121.633
C5 C6 H12 121.805 C6 C5 H10 119.692
H11 C6 H12 116.562
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 0.169      
2 O -0.420      
3 C -0.172      
4 C -0.134      
5 C -0.101      
6 C -0.348      
7 H 0.133      
8 H 0.187      
9 H 0.172      
10 H 0.174      
11 H 0.169      
12 H 0.172      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.096 4.340 0.000 4.476
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.325 -3.495 0.000
y -3.495 -43.492 0.000
z 0.000 0.000 -37.607
Traceless
 xyz
x 8.224 -3.495 0.000
y -3.495 -8.526 0.000
z 0.000 0.000 0.301
Polar
3z2-r20.602
x2-y211.167
xy-3.495
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.985 3.052 0.000
y 3.052 17.424 0.000
z 0.000 0.000 2.773


<r2> (average value of r2) Å2
<r2> 243.729
(<r2>)1/2 15.612