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All results from a given calculation for C5H6O (Pentadienal)

using model chemistry: B1B95/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 B1B95/STO-3G
 hartrees
Energy at 0K-265.786037
Energy at 298.15K-265.791169
HF Energy-265.786037
Nuclear repulsion energy191.044881
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 B1B95/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' 3589 3169 0.82      
2 A' 3489 3080 0.09      
3 A' 3486 3078 13.11      
4 A' 3464 3059 9.52      
5 A' 3430 3029 53.31      
6 A' 3220 2843 41.78      
7 A' 1847 1631 1.01      
8 A' 1832 1617 83.02      
9 A' 1798 1588 5.80      
10 A' 1565 1382 1.26      
11 A' 1480 1307 5.70      
12 A' 1409 1244 3.15      
13 A' 1399 1235 2.03      
14 A' 1334 1178 1.96      
15 A' 1253 1107 4.85      
16 A' 1148 1014 79.43      
17 A' 1016 897 2.57      
18 A' 598 528 6.15      
19 A' 439 387 0.20      
20 A' 379 334 2.22      
21 A' 147 130 2.06      
22 A" 1132 1000 21.10      
23 A" 1080 954 3.71      
24 A" 1007 889 16.74      
25 A" 995 879 1.96      
26 A" 899 794 3.63      
27 A" 680 600 0.89      
28 A" 273 241 2.86      
29 A" 202 179 0.76      
30 A" 93 82 0.82      

Unscaled Zero Point Vibrational Energy (zpe) 22339.9 cm-1
Scaled (by 0.883) Zero Point Vibrational Energy (zpe) 19726.2 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 B1B95/STO-3G
ABC
0.94736 0.04341 0.04151

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.146 -1.596 0.000
O2 -1.135 -2.848 0.000
C3 0.081 -0.730 0.000
C4 0.000 0.616 0.000
C5 1.162 1.522 0.000
C6 1.059 2.858 0.000
H7 -2.099 -1.004 0.000
H8 1.054 -1.236 0.000
H9 -0.991 1.091 0.000
H10 2.150 1.045 0.000
H11 0.085 3.358 0.000
H12 1.940 3.505 0.000

Atom - Atom Distances (Å)
  C1 O2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.25141.50212.49163.87944.96971.12292.22892.69184.22365.10505.9621
O21.25142.44223.64514.93666.11252.08112.71803.94145.09356.32467.0578
C31.50212.44221.34862.49783.71832.19791.09642.11312.72574.08794.6249
C42.49163.64511.34861.47332.47892.65172.13121.09862.19222.74313.4798
C53.87944.93662.49781.47331.33974.12502.76022.19551.09672.12842.1302
C64.96976.11253.71832.47891.33974.98834.09382.70582.11551.09431.0937
H71.12292.08112.19792.65174.12504.98833.16192.37004.71744.87836.0536
H82.22892.71801.09642.13122.76024.09383.16193.09782.53104.69514.8232
H92.69183.94142.11311.09862.19552.70582.37003.09783.14092.50953.7971
H104.22365.09352.72572.19221.09672.11554.71742.53103.14093.10002.4685
H115.10506.32464.08792.74312.12841.09434.87834.69512.50953.10001.8606
H125.96217.05784.62493.47982.13021.09376.05364.82323.79712.46851.8606

picture of Pentadienal state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 C4 121.766 C1 C3 H8 117.275
O2 C1 C3 124.729 O2 C1 H7 122.357
C3 C1 H7 112.914 C3 C4 C5 124.472
C3 C4 H9 119.064 C4 C3 H8 120.959
C4 C5 C6 123.507 C4 C5 H10 116.306
C5 C4 H9 116.464 C5 C6 H11 121.633
C5 C6 H12 121.860 C6 C5 H10 120.187
H11 C6 H12 116.507
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.077      
2 O -0.172      
3 C -0.098      
4 C -0.068      
5 C -0.081      
6 C -0.151      
7 H 0.060      
8 H 0.089      
9 H 0.085      
10 H 0.087      
11 H 0.085      
12 H 0.088      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.481 2.229 0.000 2.281
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.662 -2.068 0.000
y -2.068 -37.071 0.000
z 0.000 0.000 -33.882
Traceless
 xyz
x 4.815 -2.068 0.000
y -2.068 -4.799 0.000
z 0.000 0.000 -0.016
Polar
3z2-r2-0.032
x2-y26.409
xy-2.068
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.731 2.114 0.000
y 2.114 11.402 0.000
z 0.000 0.000 1.076


<r2> (average value of r2) Å2
<r2> 246.011
(<r2>)1/2 15.685