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All results from a given calculation for C5H6O (Pentadienal)

using model chemistry: BLYP/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 BLYP/6-31G**
 hartrees
Energy at 0K-269.224634
Energy at 298.15K-269.230056
HF Energy-269.224634
Nuclear repulsion energy192.022012
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**
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' 3171 3147 11.39      
2 A' 3101 3077 10.32      
3 A' 3084 3060 4.60      
4 A' 3079 3056 13.03      
5 A' 3053 3030 7.41      
6 A' 2766 2745 127.76      
7 A' 1696 1683 255.57      
8 A' 1636 1623 57.15      
9 A' 1598 1586 24.59      
10 A' 1427 1416 2.98      
11 A' 1384 1373 0.43      
12 A' 1296 1286 2.09      
13 A' 1286 1276 1.42      
14 A' 1235 1226 2.09      
15 A' 1169 1160 22.90      
16 A' 1096 1087 104.58      
17 A' 946 938 4.36      
18 A' 587 583 14.57      
19 A' 421 417 0.60      
20 A' 374 371 3.43      
21 A' 145 144 4.74      
22 A" 1028 1020 30.03      
23 A" 983 976 2.33      
24 A" 956 949 6.23      
25 A" 911 904 26.11      
26 A" 854 847 5.07      
27 A" 637 633 1.45      
28 A" 278 276 4.50      
29 A" 218 217 0.99      
30 A" 98 97 2.26      

Unscaled Zero Point Vibrational Energy (zpe) 20255.7 cm-1
Scaled (by 0.9923) Zero Point Vibrational Energy (zpe) 20099.7 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 BLYP/6-31G**
ABC
0.95267 0.04391 0.04197

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.106 -1.603 0.000
O2 -1.086 -2.835 0.000
C3 0.093 -0.750 0.000
C4 0.000 0.610 0.000
C5 1.128 1.526 0.000
C6 1.000 2.875 0.000
H7 -2.077 -1.037 0.000
H8 1.063 -1.259 0.000
H9 -1.001 1.063 0.000
H10 2.128 1.079 0.000
H11 0.017 3.355 0.000
H12 1.870 3.534 0.000

Atom - Atom Distances (Å)
  C1 O2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.23241.47132.47433.84474.94821.12452.19532.66794.20115.08375.9369
O21.23242.39583.61304.89166.07942.05312.66513.89905.06496.28807.0223
C31.47132.39581.36362.50053.73652.18941.09492.11742.73604.10574.6382
C42.47433.61301.36361.45292.47532.65152.15031.09862.17912.74463.4707
C53.84474.89162.50051.45291.35454.10432.78612.17891.09602.13952.1408
C64.94826.07943.73652.47531.35454.97734.13432.69962.12121.09371.0916
H71.12452.05312.18942.65154.10434.97733.14772.35974.70784.86626.0399
H82.19532.66511.09492.15032.78614.13433.14773.10632.56904.73094.8610
H92.66793.89902.11741.09862.17892.69962.35973.10633.12952.50843.7883
H104.20115.06492.73602.17911.09602.12124.70782.56903.12953.10462.4695
H115.08376.28804.10572.74462.13951.09374.86624.73092.50843.10461.8611
H125.93697.02234.63823.47072.14081.09166.03994.86103.78832.46951.8611

picture of Pentadienal state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 C4 121.527 C1 C3 H8 116.858
O2 C1 C3 124.547 O2 C1 H7 121.107
C3 C1 H7 114.346 C3 C4 C5 125.165
C3 C4 H9 118.224 C4 C3 H8 121.615
C4 C5 C6 123.659 C4 C5 H10 116.808
C5 C4 H9 116.611 C5 C6 H11 121.466
C5 C6 H12 121.761 C6 C5 H10 119.533
H11 C6 H12 116.774
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.259      
2 O -0.398      
3 C -0.080      
4 C -0.028      
5 C -0.005      
6 C -0.207      
7 H 0.035      
8 H 0.080      
9 H 0.073      
10 H 0.075      
11 H 0.095      
12 H 0.100      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.095 3.822 0.000 3.976
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.974 -2.863 0.000
y -2.863 -41.952 0.000
z 0.000 0.000 -37.063
Traceless
 xyz
x 6.534 -2.863 0.000
y -2.863 -6.934 0.000
z 0.000 0.000 0.400
Polar
3z2-r20.801
x2-y28.978
xy-2.863
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.728 3.300 0.000
y 3.300 17.846 0.000
z 0.000 0.000 3.189


<r2> (average value of r2) Å2
<r2> 245.860
(<r2>)1/2 15.680