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All results from a given calculation for C5H6O (Pentadienal)

using model chemistry: MP3/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 MP3/TZVP
 hartrees
Energy at 0K-268.649214
Energy at 298.15K-268.654468
HF Energy-267.740725
Nuclear repulsion energy194.173695
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 MP3/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' 3303 3089 9.48      
2 A' 3243 3033 4.62      
3 A' 3225 3016 6.12      
4 A' 3208 3000 6.22      
5 A' 3196 2989 5.93      
6 A' 2995 2801 80.25      
7 A' 1852 1732 275.28      
8 A' 1752 1639 12.30      
9 A' 1692 1582 13.44      
10 A' 1494 1397 2.89      
11 A' 1463 1369 1.38      
12 A' 1353 1265 1.70      
13 A' 1347 1260 2.31      
14 A' 1292 1209 0.81      
15 A' 1217 1138 27.10      
16 A' 1138 1064 76.72      
17 A' 979 915 2.32      
18 A' 616 576 13.01      
19 A' 437 409 0.76      
20 A' 392 367 4.45      
21 A' 152 142 6.47      
22 A" 1020 954 36.90      
23 A" 998 933 28.64      
24 A" 955 893 3.61      
25 A" 829 775 42.59      
26 A" 764 715 1.61      
27 A" 584 546 2.08      
28 A" 252 236 8.19      
29 A" 128 119 2.01      
30 A" 74 69 2.84      

Unscaled Zero Point Vibrational Energy (zpe) 20974.6 cm-1
Scaled (by 0.9352) Zero Point Vibrational Energy (zpe) 19615.5 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 MP3/TZVP
ABC
0.95966 0.04495 0.04294

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.120 -1.578 0.000
O2 -1.107 -2.783 0.000
C3 0.090 -0.740 0.000
C4 0.000 0.597 0.000
C5 1.145 1.500 0.000
C6 1.020 2.830 0.000
H7 -2.075 -1.022 0.000
H8 1.043 -1.254 0.000
H9 -0.984 1.058 0.000
H10 2.129 1.046 0.000
H11 0.047 3.304 0.000
H12 1.883 3.478 0.000

Atom - Atom Distances (Å)
  C1 O2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.20521.47182.44613.82074.89911.10452.18712.63944.17555.01865.8805
O21.20522.36783.55654.83836.00182.00882.63813.84305.01266.19466.9384
C31.47182.36781.34012.47543.68862.18331.08282.09462.70984.04374.5834
C42.44613.55651.34011.45782.45442.63182.12501.08652.17552.70683.4421
C53.82074.83832.47541.45781.33584.08962.75572.17381.08382.11172.1120
C64.89916.00183.68862.45441.33584.94094.08382.67432.10061.08231.0799
H71.10452.00882.18332.63184.08964.94093.12652.34924.68454.81805.9933
H82.18712.63811.08282.12502.75574.08383.12653.07512.54314.66534.8064
H92.63943.84302.09461.08652.17382.67432.34923.07513.11262.47053.7518
H104.17555.01262.70982.17551.08382.10064.68452.54313.11263.07132.4451
H115.01866.19464.04372.70682.11171.08234.81804.66532.47053.07131.8447
H125.88056.93844.58343.44212.11201.07995.99334.80643.75182.44511.8447

picture of Pentadienal state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 C4 120.825 C1 C3 H8 116.957
O2 C1 C3 124.077 O2 C1 H7 120.795
C3 C1 H7 115.128 C3 C4 C5 124.388
C3 C4 H9 118.983 C4 C3 H8 122.219
C4 C5 C6 122.887 C4 C5 H10 116.975
C5 C4 H9 116.630 C5 C6 H11 121.337
C5 C6 H12 121.553 C6 C5 H10 120.138
H11 C6 H12 117.111
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability