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All results from a given calculation for C5H6O (Pentadienal)

using model chemistry: PBE1PBE/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 PBE1PBE/6-31G
 hartrees
Energy at 0K-268.923111
Energy at 298.15K-268.928756
HF Energy-268.923111
Nuclear repulsion energy193.207699
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 PBE1PBE/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' 3294 3149 10.07      
2 A' 3227 3085 5.81      
3 A' 3204 3063 7.44      
4 A' 3192 3051 7.05      
5 A' 3169 3029 6.87      
6 A' 2977 2846 100.40      
7 A' 1740 1663 48.86      
8 A' 1735 1658 328.03      
9 A' 1681 1607 0.42      
10 A' 1496 1430 9.34      
11 A' 1438 1375 3.83      
12 A' 1366 1305 1.52      
13 A' 1351 1291 2.65      
14 A' 1309 1251 2.94      
15 A' 1236 1181 26.80      
16 A' 1173 1121 92.87      
17 A' 995 951 8.43      
18 A' 614 587 17.29      
19 A' 446 426 0.55      
20 A' 388 371 5.67      
21 A' 152 145 6.17      
22 A" 1074 1027 56.78      
23 A" 1044 998 0.15      
24 A" 1019 974 48.98      
25 A" 995 951 18.52      
26 A" 916 876 12.45      
27 A" 669 639 3.16      
28 A" 287 275 8.89      
29 A" 225 215 1.39      
30 A" 103 99 3.14      

Unscaled Zero Point Vibrational Energy (zpe) 21256.4 cm-1
Scaled (by 0.9559) Zero Point Vibrational Energy (zpe) 20319.0 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 PBE1PBE/6-31G
ABC
0.96291 0.04455 0.04258

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.111 -1.573 0.000
O2 -1.099 -2.813 0.000
C3 0.084 -0.743 0.000
C4 0.000 0.606 0.000
C5 1.134 1.505 0.000
C6 1.018 2.844 0.000
H7 -2.071 -1.022 0.000
H8 1.042 -1.256 0.000
H9 -0.989 1.069 0.000
H10 2.122 1.048 0.000
H11 0.046 3.331 0.000
H12 1.887 3.493 0.000

Atom - Atom Distances (Å)
  C1 O2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.24001.45412.44563.80944.90311.10652.17632.64414.16135.03805.8862
O21.24002.38343.59104.86086.03992.03712.64743.88285.02746.24916.9769
C31.45412.38341.35192.48153.70712.17231.08712.10552.71344.07414.6042
C42.44563.59101.35191.44722.45872.63432.13371.09172.16752.72503.4489
C53.80944.86082.48151.44721.34424.08152.76202.16751.08852.12542.1260
C64.90316.03993.70712.45871.34424.94884.09982.67972.10851.08691.0843
H71.10652.03712.17232.63434.08154.94883.12182.35434.67594.84056.0043
H82.17632.64741.08712.13372.76204.09983.12183.08682.54374.69324.8233
H92.64413.88282.10551.09172.16752.67972.35433.08683.11102.48773.7613
H104.16135.02742.71342.16751.08852.10854.67592.54373.11103.08562.4569
H115.03806.24914.07412.72502.12541.08694.84054.69322.48773.08561.8476
H125.88626.97694.60423.44892.12601.08436.00434.82333.76132.45691.8476

picture of Pentadienal state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 C4 121.233 C1 C3 H8 117.100
O2 C1 C3 124.225 O2 C1 H7 120.376
C3 C1 H7 115.398 C3 C4 C5 124.847
C3 C4 H9 118.612 C4 C3 H8 121.666
C4 C5 C6 123.439 C4 C5 H10 116.768
C5 C4 H9 116.542 C5 C6 H11 121.548
C5 C6 H12 121.825 C6 C5 H10 119.793
H11 C6 H12 116.627
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.173      
2 O -0.425      
3 C -0.183      
4 C -0.142      
5 C -0.111      
6 C -0.355      
7 H 0.140      
8 H 0.193      
9 H 0.178      
10 H 0.180      
11 H 0.173      
12 H 0.177      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.071 4.331 0.000 4.461
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.356 -3.498 0.000
y -3.498 -43.569 0.000
z 0.000 0.000 -37.749
Traceless
 xyz
x 8.303 -3.498 0.000
y -3.498 -8.517 0.000
z 0.000 0.000 0.214
Polar
3z2-r20.428
x2-y211.214
xy-3.498
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.876 2.955 0.000
y 2.955 17.283 0.000
z 0.000 0.000 2.769


<r2> (average value of r2) Å2
<r2> 243.049
(<r2>)1/2 15.590