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All results from a given calculation for C5H6O (Pentadienal)

using model chemistry: LSDA/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at LSDA/6-31+G**
 hartrees
Energy at 0K-267.846275
Energy at 298.15K-267.851695
HF Energy-267.846275
Nuclear repulsion energy193.991162
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 LSDA/6-31+G**
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' 3189 3142 2.30      
2 A' 3111 3064 2.32      
3 A' 3093 3047 3.14      
4 A' 3087 3040 4.21      
5 A' 3051 3006 5.79      
6 A' 2787 2745 98.64      
7 A' 1752 1726 376.76      
8 A' 1678 1653 86.90      
9 A' 1629 1604 21.44      
10 A' 1395 1374 6.68      
11 A' 1350 1330 1.38      
12 A' 1269 1250 5.10      
13 A' 1264 1245 5.10      
14 A' 1214 1195 9.67      
15 A' 1160 1143 0.25      
16 A' 1140 1123 104.22      
17 A' 936 922 7.92      
18 A' 585 577 15.99      
19 A' 428 422 0.54      
20 A' 370 364 4.26      
21 A' 141 139 5.89      
22 A" 1008 993 52.22      
23 A" 982 967 3.00      
24 A" 943 929 21.40      
25 A" 911 898 27.57      
26 A" 856 843 12.15      
27 A" 636 627 3.12      
28 A" 286 281 7.37      
29 A" 217 213 1.80      
30 A" 97 96 2.35      

Unscaled Zero Point Vibrational Energy (zpe) 20282.3 cm-1
Scaled (by 0.985) Zero Point Vibrational Energy (zpe) 19978.0 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 LSDA/6-31+G**
ABC
0.95119 0.04516 0.04311

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.059 -1.590 0.000
O2 -1.044 -2.811 0.000
C3 0.120 -0.750 0.000
C4 0.000 0.597 0.000
C5 1.095 1.521 0.000
C6 0.927 2.855 0.000
H7 -2.035 -1.025 0.000
H8 1.098 -1.249 0.000
H9 -1.016 1.027 0.000
H10 2.108 1.094 0.000
H11 -0.078 3.295 0.000
H12 1.777 3.544 0.000

Atom - Atom Distances (Å)
  C1 O2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.22161.44692.42973.78284.86771.12782.18312.61694.15094.98215.8647
O21.22162.36703.56474.83075.99872.04252.65043.83825.01846.18216.9530
C31.44692.36701.35242.47083.69372.17221.09852.10882.71184.04954.6026
C42.42973.56471.35241.43192.44022.60292.14851.10352.16572.69883.4410
C53.78284.83072.47081.43191.34454.03452.77002.16791.09952.12672.1355
C64.86775.99873.69372.44021.34454.88164.10762.66792.11981.09721.0942
H71.12782.04252.17222.60294.03454.88163.14092.29134.65384.74325.9507
H82.18312.65041.09852.14852.77004.10763.14093.10682.55214.69414.8415
H92.61693.83822.10881.10352.16792.66792.29133.10683.12512.45473.7601
H104.15095.01842.71182.16571.09952.11984.65382.55213.12513.10182.4723
H114.98216.18214.04952.69882.12671.09724.74324.69412.45473.10181.8711
H125.86476.95304.60263.44102.13551.09425.95074.84153.76012.47231.8711

picture of Pentadienal state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 C4 120.415 C1 C3 H8 117.453
O2 C1 C3 124.784 O2 C1 H7 120.718
C3 C1 H7 114.498 C3 C4 C5 125.076
C3 C4 H9 117.980 C4 C3 H8 122.132
C4 C5 C6 122.994 C4 C5 H10 117.035
C5 C4 H9 116.945 C5 C6 H11 120.820
C5 C6 H12 121.914 C6 C5 H10 119.971
H11 C6 H12 117.266
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.048      
2 O -0.371      
3 C -0.013      
4 C -0.142      
5 C -0.034      
6 C -0.374      
7 H 0.128      
8 H 0.176      
9 H 0.159      
10 H 0.166      
11 H 0.173      
12 H 0.179      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.168 4.353 0.000 4.507
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.106 -3.113 0.000
y -3.113 -43.731 0.000
z 0.000 0.000 -38.815
Traceless
 xyz
x 8.167 -3.113 0.000
y -3.113 -7.771 0.000
z 0.000 0.000 -0.396
Polar
3z2-r2-0.792
x2-y210.625
xy-3.113
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.577 3.229 0.000
y 3.229 19.642 0.000
z 0.000 0.000 5.508


<r2> (average value of r2) Å2
<r2> 240.877
(<r2>)1/2 15.520