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All results from a given calculation for C5H6O (Pentadienal)

using model chemistry: MP2=FULL/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 MP2=FULL/STO-3G
 hartrees
Energy at 0K-264.610202
Energy at 298.15K-264.615290
HF Energy-264.240195
Nuclear repulsion energy188.818685
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 MP2=FULL/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' 3613 3211 0.10      
2 A' 3508 3118 1.07      
3 A' 3503 3114 2.82      
4 A' 3485 3098 4.93      
5 A' 3455 3071 14.73      
6 A' 3282 2917 40.24      
7 A' 1812 1611 8.73      
8 A' 1764 1568 13.43      
9 A' 1708 1518 7.04      
10 A' 1582 1406 1.49      
11 A' 1492 1326 9.62      
12 A' 1420 1262 2.43      
13 A' 1414 1257 1.96      
14 A' 1352 1201 5.28      
15 A' 1255 1116 7.57      
16 A' 1141 1015 45.62      
17 A' 1017 904 0.15      
18 A' 595 529 3.70      
19 A' 436 388 0.37      
20 A' 381 339 1.78      
21 A' 150 133 1.64      
22 A" 1145 1018 12.09      
23 A" 1102 980 2.37      
24 A" 982 873 11.83      
25 A" 978 869 0.87      
26 A" 874 777 1.24      
27 A" 677 602 0.46      
28 A" 268 239 2.11      
29 A" 187 166 0.75      
30 A" 88 78 0.89      

Unscaled Zero Point Vibrational Energy (zpe) 22332.7 cm-1
Scaled (by 0.8889) Zero Point Vibrational Energy (zpe) 19851.5 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 MP2=FULL/STO-3G
ABC
0.92841 0.04232 0.04047

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.180 -1.607 0.000
O2 -1.174 -2.873 0.000
C3 0.073 -0.735 0.000
C4 0.000 0.625 0.000
C5 1.193 1.531 0.000
C6 1.105 2.883 0.000
H7 -2.135 -1.012 0.000
H8 1.049 -1.247 0.000
H9 -0.992 1.110 0.000
H10 2.182 1.043 0.000
H11 0.132 3.394 0.000
H12 2.001 3.518 0.000

Atom - Atom Distances (Å)
  C1 O2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.26681.52642.52403.93355.03711.12512.25752.72344.28005.17006.0318
O21.26682.47563.68974.99966.19052.09472.75383.98795.15696.40217.1367
C31.52642.47561.36132.52693.76142.22561.10252.13012.75774.12924.6695
C42.52403.68971.36131.49812.51372.69052.14611.10412.22152.77263.5181
C53.93354.99962.52691.49811.35494.18862.78172.22491.10232.14452.1457
C65.03716.19053.76142.51371.35495.06654.13042.74532.13171.09921.0986
H71.12512.09472.22562.69054.18865.06653.19282.41124.78114.95576.1348
H82.25752.75381.10252.14612.78174.13043.19283.11822.55504.73134.8600
H92.72343.98792.13011.10412.22492.74532.41123.11823.17412.54533.8411
H104.28005.15692.75772.22151.10232.13174.78112.55503.17413.11932.4822
H115.17006.40214.12922.77262.14451.09924.95574.73132.54533.11931.8730
H126.03187.13674.66953.51812.14571.09866.13484.86003.84112.48221.8730

picture of Pentadienal state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 C4 121.759 C1 C3 H8 117.437
O2 C1 C3 124.563 O2 C1 H7 122.155
C3 C1 H7 113.282 C3 C4 C5 124.120
C3 C4 H9 119.173 C4 C3 H8 120.803
C4 C5 C6 123.469 C4 C5 H10 116.534
C5 C4 H9 116.707 C5 C6 H11 121.471
C5 C6 H12 121.630 C6 C5 H10 119.997
H11 C6 H12 116.898
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability