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All results from a given calculation for C5H6O (Pentadienal)

using model chemistry: CCD/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CCD/cc-pVDZ
 hartrees
Energy at 0K-268.548901
Energy at 298.15K-268.554400
HF Energy-267.672518
Nuclear repulsion energy192.314775
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 CCD/cc-pVDZ
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' 3278 3136 8.92      
2 A' 3215 3076 4.31      
3 A' 3198 3060 5.66      
4 A' 3178 3040 7.42      
5 A' 3171 3034 4.90      
6 A' 2954 2826 94.60      
7 A' 1854 1774 214.36      
8 A' 1757 1681 4.95      
9 A' 1687 1614 6.82      
10 A' 1464 1400 2.60      
11 A' 1429 1367 3.52      
12 A' 1324 1266 2.33      
13 A' 1322 1265 4.03      
14 A' 1260 1206 1.31      
15 A' 1194 1142 19.66      
16 A' 1132 1083 64.61      
17 A' 966 924 2.33      
18 A' 601 575 12.41      
19 A' 430 412 0.62      
20 A' 382 365 4.03      
21 A' 149 143 5.35      
22 A" 1047 1002 34.61      
23 A" 1028 984 13.53      
24 A" 993 950 3.89      
25 A" 946 905 29.34      
26 A" 863 825 4.61      
27 A" 648 620 2.07      
28 A" 275 263 6.63      
29 A" 198 190 1.53      
30 A" 93 89 2.68      

Unscaled Zero Point Vibrational Energy (zpe) 21018.2 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 20108.1 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 CCD/cc-pVDZ
ABC
0.94233 0.04408 0.04211

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.135 -1.594 0.000
O2 -1.121 -2.806 0.000
C3 0.086 -0.747 0.000
C4 0.000 0.603 0.000
C5 1.156 1.511 0.000
C6 1.040 2.856 0.000
H7 -2.099 -1.022 0.000
H8 1.051 -1.269 0.000
H9 -0.996 1.073 0.000
H10 2.151 1.046 0.000
H11 0.056 3.342 0.000
H12 1.921 3.506 0.000

Atom - Atom Distances (Å)
  C1 O2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.21181.48572.47283.85854.95251.12092.21002.67014.21565.07795.9452
O21.21182.38613.58834.88016.05952.03412.66043.88035.05436.25967.0063
C31.48572.38611.35302.49873.72692.20221.09722.11682.73564.08954.6321
C42.47283.58831.35301.46992.48092.65482.14711.10072.19672.73983.4808
C53.85854.88012.49871.46991.35014.12462.78182.19591.09822.13652.1368
C64.95256.05953.72692.48091.35014.98894.12482.70582.12361.09711.0951
H71.12092.03412.20222.65484.12464.98893.15982.36774.72724.86776.0550
H82.21002.66041.09722.14712.78184.12483.15983.11002.56374.71754.8537
H92.67013.88032.11681.10072.19592.70582.36773.11003.14712.50153.7981
H104.21565.05432.73562.19671.09822.12364.72722.56373.14713.10822.4705
H115.07796.25964.08952.73982.13651.09714.86774.71752.50153.10821.8715
H125.94527.00634.63213.48082.13681.09516.05504.85373.79812.47051.8715

picture of Pentadienal state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 C4 121.104 C1 C3 H8 116.851
O2 C1 C3 124.079 O2 C1 H7 121.330
C3 C1 H7 114.591 C3 C4 C5 124.490
C3 C4 H9 118.890 C4 C3 H8 122.045
C4 C5 C6 123.174 C4 C5 H10 116.859
C5 C4 H9 116.620 C5 C6 H11 121.284
C5 C6 H12 121.480 C6 C5 H10 119.966
H11 C6 H12 117.236
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability