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All results from a given calculation for C5H6O (Pentadienal)

using model chemistry: MP3=FULL/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=FULL/TZVP
 hartrees
Energy at 0K-268.755678
Energy at 298.15K-268.760953
HF Energy-267.740877
Nuclear repulsion energy194.287600
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=FULL/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' 3302 3084 9.25      
2 A' 3243 3028 4.51      
3 A' 3224 3011 6.06      
4 A' 3207 2995 6.14      
5 A' 3196 2984 5.88      
6 A' 2995 2796 79.92      
7 A' 1853 1730 275.37      
8 A' 1754 1637 12.40      
9 A' 1693 1581 13.50      
10 A' 1495 1396 2.93      
11 A' 1465 1368 1.38      
12 A' 1354 1264 1.65      
13 A' 1348 1259 2.31      
14 A' 1294 1208 0.81      
15 A' 1218 1137 26.74      
16 A' 1139 1064 77.09      
17 A' 980 915 2.35      
18 A' 616 576 13.03      
19 A' 438 409 0.76      
20 A' 393 367 4.46      
21 A' 153 142 6.46      
22 A" 1023 955 37.18      
23 A" 1001 934 28.36      
24 A" 958 894 3.53      
25 A" 834 779 42.57      
26 A" 770 719 1.77      
27 A" 587 549 2.15      
28 A" 253 237 8.16      
29 A" 131 122 1.93      
30 A" 76 71 2.95      

Unscaled Zero Point Vibrational Energy (zpe) 20996.2 cm-1
Scaled (by 0.9337) Zero Point Vibrational Energy (zpe) 19604.2 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 MP3=FULL/TZVP
ABC
0.96120 0.04499 0.04298

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.119 -1.577 0.000
O2 -1.107 -2.781 0.000
C3 0.090 -0.739 0.000
C4 0.000 0.597 0.000
C5 1.144 1.499 0.000
C6 1.020 2.828 0.000
H7 -2.074 -1.022 0.000
H8 1.042 -1.253 0.000
H9 -0.983 1.058 0.000
H10 2.127 1.045 0.000
H11 0.048 3.302 0.000
H12 1.883 3.476 0.000

Atom - Atom Distances (Å)
  C1 O2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.20451.47092.44483.81864.89661.10392.18572.63804.17295.01655.8773
O21.20452.36653.55454.83565.99862.00762.63663.84095.00956.19186.9345
C31.47092.36651.33922.47393.68652.18191.08222.09322.70814.04174.5807
C42.44483.55451.33921.45692.45322.63042.12351.08592.17412.70583.4402
C53.81864.83562.47391.45691.33494.08742.75402.17251.08312.11042.1107
C64.89665.99863.68652.45321.33494.93864.08132.67312.09921.08161.0793
H71.10392.00762.18192.63044.08744.93863.12452.34814.68174.81635.9902
H82.18572.63661.08222.12352.75404.08133.12453.07312.54144.66284.8034
H92.63803.84092.09321.08592.17252.67312.34813.07313.11072.46983.7499
H104.17295.00952.70812.17411.08312.09924.68172.54143.11073.06942.4435
H115.01656.19184.04172.70582.11041.08164.81634.66282.46983.06941.8433
H125.87736.93454.58073.44022.11071.07935.99024.80343.74992.44351.8433

picture of Pentadienal state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 C4 120.845 C1 C3 H8 116.943
O2 C1 C3 124.090 O2 C1 H7 120.790
C3 C1 H7 115.120 C3 C4 C5 124.398
C3 C4 H9 118.978 C4 C3 H8 122.212
C4 C5 C6 122.913 C4 C5 H10 116.961
C5 C4 H9 116.624 C5 C6 H11 121.346
C5 C6 H12 121.562 C6 C5 H10 120.126
H11 C6 H12 117.092
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability