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All results from a given calculation for C5H6O (Pentadienal)

using model chemistry: B3PW91/STO-3G

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/STO-3G
 hartrees
Energy at 0K-265.801385
Energy at 298.15K-265.806508
HF Energy-265.801385
Nuclear repulsion energy190.455720
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/STO-3G
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' 3572 3161 0.60      
2 A' 3472 3072 0.04      
3 A' 3468 3070 12.36      
4 A' 3448 3052 8.53      
5 A' 3414 3021 51.81      
6 A' 3193 2826 44.48      
7 A' 1822 1612 0.52      
8 A' 1801 1594 81.94      
9 A' 1775 1571 7.38      
10 A' 1562 1382 1.26      
11 A' 1478 1308 4.38      
12 A' 1406 1244 4.21      
13 A' 1398 1237 0.71      
14 A' 1335 1181 1.99      
15 A' 1250 1106 4.73      
16 A' 1139 1008 82.96      
17 A' 1014 898 2.31      
18 A' 599 530 6.08      
19 A' 438 388 0.26      
20 A' 382 338 2.15      
21 A' 150 132 2.00      
22 A" 1126 996 21.84      
23 A" 1071 948 3.50      
24 A" 993 879 16.72      
25 A" 984 871 2.27      
26 A" 891 788 3.58      
27 A" 675 597 0.86      
28 A" 271 240 2.83      
29 A" 204 180 0.70      
30 A" 93 82 0.76      

Unscaled Zero Point Vibrational Energy (zpe) 22210.4 cm-1
Scaled (by 0.885) Zero Point Vibrational Energy (zpe) 19656.2 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/STO-3G
ABC
0.94361 0.04313 0.04124

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.152 -1.600 0.000
O2 -1.140 -2.856 0.000
C3 0.078 -0.732 0.000
C4 0.000 0.620 0.000
C5 1.166 1.525 0.000
C6 1.068 2.866 0.000
H7 -2.108 -1.006 0.000
H8 1.052 -1.240 0.000
H9 -0.992 1.098 0.000
H10 2.155 1.045 0.000
H11 0.095 3.372 0.000
H12 1.955 3.510 0.000

Atom - Atom Distances (Å)
  C1 O2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.25631.50552.50133.89054.98681.12592.23322.70314.23465.12575.9798
O21.25632.44923.65894.95106.13322.08842.72393.95745.10696.34947.0784
C31.50552.44921.35432.50503.73102.20311.09892.11982.73334.10344.6379
C42.50133.65891.35431.47582.48632.66222.13741.10102.19682.75303.4883
C53.89054.95102.50501.47581.34474.13802.76702.19991.09922.13532.1359
C64.98686.13323.73102.48631.34475.00724.10572.71402.12081.09651.0959
H71.12592.08842.20312.66224.13805.00723.16892.38164.73084.90056.0738
H82.23322.72391.09892.13742.76704.10573.16893.10592.53734.71014.8347
H92.70313.95742.11981.10102.19992.71402.38163.10593.14772.51993.8074
H104.23465.10692.73332.19681.09922.12084.73082.53733.14773.10782.4729
H115.12576.34944.10342.75302.13531.09654.90054.71012.51993.10781.8645
H125.97987.07844.63793.48832.13591.09596.07384.83473.80742.47291.8645

picture of Pentadienal state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 C4 121.918 C1 C3 H8 117.216
O2 C1 C3 124.707 O2 C1 H7 122.384
C3 C1 H7 112.909 C3 C4 C5 124.476
C3 C4 H9 119.035 C4 C3 H8 120.866
C4 C5 C6 123.583 C4 C5 H10 116.343
C5 C4 H9 116.489 C5 C6 H11 121.688
C5 C6 H12 121.792 C6 C5 H10 120.073
H11 C6 H12 116.520
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.070      
2 O -0.168      
3 C -0.098      
4 C -0.069      
5 C -0.081      
6 C -0.153      
7 H 0.060      
8 H 0.090      
9 H 0.086      
10 H 0.088      
11 H 0.086      
12 H 0.089      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.505 2.251 0.000 2.307
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.617 -2.062 0.000
y -2.062 -36.961 0.000
z 0.000 0.000 -33.900
Traceless
 xyz
x 4.814 -2.062 0.000
y -2.062 -4.703 0.000
z 0.000 0.000 -0.111
Polar
3z2-r2-0.222
x2-y26.344
xy-2.062
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.817 2.268 0.000
y 2.268 11.662 0.000
z 0.000 0.000 1.086


<r2> (average value of r2) Å2
<r2> 247.437
(<r2>)1/2 15.730