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All results from a given calculation for C5H6O (Pentadienal)

using model chemistry: mPW1PW91/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/TZVP
 hartrees
Energy at 0K-269.339412
Energy at 298.15K-269.344983
HF Energy-269.339412
Nuclear repulsion energy194.563132
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 mPW1PW91/TZVP
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' 3261 3111 5.37      
2 A' 3199 3052 4.24      
3 A' 3181 3035 5.63      
4 A' 3167 3021 4.98      
5 A' 3151 3006 4.74      
6 A' 2903 2769 96.17      
7 A' 1798 1716 397.23      
8 A' 1717 1638 68.43      
9 A' 1670 1593 32.54      
10 A' 1462 1395 5.46      
11 A' 1422 1357 0.13      
12 A' 1332 1271 2.38      
13 A' 1325 1264 2.16      
14 A' 1270 1211 3.49      
15 A' 1203 1148 30.16      
16 A' 1134 1082 116.29      
17 A' 970 926 6.25      
18 A' 608 580 15.66      
19 A' 435 415 0.55      
20 A' 385 368 4.65      
21 A' 149 143 6.21      
22 A" 1056 1007 45.92      
23 A" 1027 980 5.28      
24 A" 995 949 26.12      
25 A" 970 925 24.07      
26 A" 885 845 10.37      
27 A" 657 627 3.15      
28 A" 284 271 7.45      
29 A" 212 202 1.55      
30 A" 97 92 2.95      

Unscaled Zero Point Vibrational Energy (zpe) 20962.2 cm-1
Scaled (by 0.954) Zero Point Vibrational Energy (zpe) 19998.0 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 mPW1PW91/TZVP
ABC
0.96799 0.04514 0.04313

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.090 -1.584 0.000
O2 -1.076 -2.792 0.000
C3 0.101 -0.741 0.000
C4 0.000 0.596 0.000
C5 1.117 1.510 0.000
C6 0.979 2.836 0.000
H7 -2.052 -1.029 0.000
H8 1.062 -1.245 0.000
H9 -0.994 1.041 0.000
H10 2.111 1.071 0.000
H11 0.000 3.303 0.000
H12 1.837 3.496 0.000

Atom - Atom Distances (Å)
  C1 O2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.20761.45942.43783.80114.88121.11072.17852.62704.15915.00715.8634
O21.20762.36433.55474.82875.99182.01482.63853.83365.00796.18876.9299
C31.45942.36431.34132.47013.68402.17271.08482.09162.70634.04524.5793
C42.43783.55471.34131.44352.44512.61812.12561.08862.16352.70653.4329
C53.80114.82872.47011.44351.33384.06152.75592.16251.08582.11232.1126
C64.88125.99183.68402.44511.33384.91274.08282.66762.09681.08411.0820
H71.11072.01482.17272.61814.06154.91273.12162.32534.66304.79375.9671
H82.17852.63851.08482.12562.75594.08283.12163.07432.54314.67024.8046
H92.62703.83362.09161.08862.16252.66762.32533.07433.10442.47043.7469
H104.15915.00792.70632.16351.08582.09684.66302.54313.10443.07122.4404
H115.00716.18874.04522.70652.11231.08414.79374.67022.47043.07121.8465
H125.86346.92994.57933.43292.11261.08205.96714.80463.74692.44041.8465

picture of Pentadienal state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 C4 120.957 C1 C3 H8 117.032
O2 C1 C3 124.609 O2 C1 H7 120.649
C3 C1 H7 114.742 C3 C4 C5 124.952
C3 C4 H9 118.442 C4 C3 H8 122.011
C4 C5 C6 123.324 C4 C5 H10 116.897
C5 C4 H9 116.605 C5 C6 H11 121.413
C5 C6 H12 121.624 C6 C5 H10 119.779
H11 C6 H12 116.963
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.047      
2 O -0.277      
3 C -0.046      
4 C -0.120      
5 C -0.088      
6 C -0.248      
7 H 0.056      
8 H 0.145      
9 H 0.138      
10 H 0.134      
11 H 0.130      
12 H 0.130      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.989 4.088 0.000 4.206
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.627 -3.269 0.000
y -3.269 -43.339 0.000
z 0.000 0.000 -38.188
Traceless
 xyz
x 8.136 -3.269 0.000
y -3.269 -7.931 0.000
z 0.000 0.000 -0.205
Polar
3z2-r2-0.410
x2-y210.712
xy-3.269
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.605 2.843 0.000
y 2.843 18.097 0.000
z 0.000 0.000 5.003


<r2> (average value of r2) Å2
<r2> 240.392
(<r2>)1/2 15.505