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All results from a given calculation for C5H6O (Pentadienal)

using model chemistry: BLYP/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at BLYP/6-31G(2df,p)
 hartrees
Energy at 0K-269.235189
Energy at 298.15K-269.240625
HF Energy-269.235189
Nuclear repulsion energy192.455162
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 BLYP/6-31G(2df,p)
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' 3162 3144 8.95      
2 A' 3091 3074 9.91      
3 A' 3077 3060 3.13      
4 A' 3072 3055 12.22      
5 A' 3045 3028 6.67      
6 A' 2747 2732 120.06      
7 A' 1699 1690 254.04      
8 A' 1623 1615 57.41      
9 A' 1589 1580 26.17      
10 A' 1421 1413 3.08      
11 A' 1382 1374 0.26      
12 A' 1293 1286 2.15      
13 A' 1281 1274 1.31      
14 A' 1228 1222 1.66      
15 A' 1164 1158 21.85      
16 A' 1088 1082 103.67      
17 A' 942 937 4.29      
18 A' 584 581 14.37      
19 A' 421 418 0.55      
20 A' 372 369 2.99      
21 A' 143 143 4.63      
22 A" 1034 1029 26.40      
23 A" 992 987 2.45      
24 A" 966 960 5.05      
25 A" 919 913 22.94      
26 A" 862 858 4.67      
27 A" 642 639 1.39      
28 A" 279 277 4.05      
29 A" 217 216 0.98      
30 A" 98 97 2.17      

Unscaled Zero Point Vibrational Energy (zpe) 20216.2 cm-1
Scaled (by 0.9945) Zero Point Vibrational Energy (zpe) 20105.0 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 BLYP/6-31G(2df,p)
ABC
0.95853 0.04406 0.04213

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.094 -1.609 0.000
O2 -1.073 -2.834 0.000
C3 0.099 -0.749 0.000
C4 0.000 0.607 0.000
C5 1.117 1.531 0.000
C6 0.981 2.875 0.000
H7 -2.065 -1.042 0.000
H8 1.070 -1.253 0.000
H9 -1.003 1.052 0.000
H10 2.119 1.089 0.000
H11 -0.003 3.349 0.000
H12 1.845 3.541 0.000

Atom - Atom Distances (Å)
  C1 O2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.22491.47052.47123.84044.94091.12462.19232.66304.19535.07625.9295
O21.22492.39163.60414.88356.06722.04802.66233.88685.05736.27427.0108
C31.47052.39161.35942.49713.72982.18371.09402.11172.73104.09884.6316
C42.47123.60411.35941.44992.47132.64272.14591.09782.17302.74173.4659
C53.84044.88352.49711.44991.35074.09242.78502.17381.09512.13512.1376
C64.94096.06723.72982.47131.35074.96234.12942.69462.11761.09261.0905
H71.12462.04802.18372.64274.09244.96233.14172.34824.69544.85076.0243
H82.19232.66231.09402.14592.78504.12943.14173.10062.56674.72554.8568
H92.66303.88682.11171.09782.17382.69462.34823.10063.12242.50453.7822
H104.19535.05732.73102.17301.09512.11764.69542.56673.12243.10002.4674
H115.07626.27424.09882.74172.13511.09264.85074.72552.50453.10001.8580
H125.92957.01084.63163.46592.13761.09056.02434.85683.78222.46741.8580

picture of Pentadienal state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 C4 121.629 C1 C3 H8 116.733
O2 C1 C3 124.828 O2 C1 H7 121.243
C3 C1 H7 113.928 C3 C4 C5 125.432
C3 C4 H9 118.112 C4 C3 H8 121.637
C4 C5 C6 123.834 C4 C5 H10 116.580
C5 C4 H9 116.455 C5 C6 H11 121.457
C5 C6 H12 121.878 C6 C5 H10 119.586
H11 C6 H12 116.666
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.119      
2 O -0.241      
3 C -0.133      
4 C 0.008      
5 C 0.028      
6 C -0.284      
7 H 0.043      
8 H 0.085      
9 H 0.079      
10 H 0.080      
11 H 0.102      
12 H 0.112      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.079 3.731 0.000 3.884
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.057 -2.767 0.000
y -2.767 -41.889 0.000
z 0.000 0.000 -36.904
Traceless
 xyz
x 6.339 -2.767 0.000
y -2.767 -6.908 0.000
z 0.000 0.000 0.569
Polar
3z2-r21.138
x2-y28.831
xy-2.767
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.972 3.281 0.000
y 3.281 17.877 0.000
z 0.000 0.000 3.905


<r2> (average value of r2) Å2
<r2> 245.022
(<r2>)1/2 15.653