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All results from a given calculation for C5H6O (Pentadienal)

using model chemistry: MP4/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 MP4/TZVP
 hartrees
Energy at 0K-268.706784
Energy at 298.15K-268.711906
HF Energy-267.737324
Nuclear repulsion energy193.040442
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 MP4/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 3140        
2 A' 3189 3070        
3 A' 3176 3058        
4 A' 3163 3046        
5 A' 3140 3023        
6 A' 2911 2803        
7 A' 1693 1631        
8 A' 1681 1619        
9 A' 1624 1564        
10 A' 1464 1410        
11 A' 1419 1366        
12 A' 1327 1277        
13 A' 1318 1269        
14 A' 1269 1222        
15 A' 1196 1152        
16 A' 1117 1076        
17 A' 962 926        
18 A' 599 576        
19 A' 427 411        
20 A' 382 367        
21 A' 146 141        
22 A" 991 954        
23 A" 964 928        
24 A" 925 891        
25 A" 794 765        
26 A" 732 705        
27 A" 565 544        
28 A" 246 237        
29 A" 123 119        
30 A" 72 70        

Unscaled Zero Point Vibrational Energy (zpe) 20437.5 cm-1
Scaled (by 0.9629) Zero Point Vibrational Energy (zpe) 19679.3 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 MP4/TZVP
ABC
0.95304 0.04446 0.04247

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.114 -1.584 0.000
O2 -1.102 -2.809 0.000
C3 0.094 -0.745 0.000
C4 0.000 0.604 0.000
C5 1.140 1.510 0.000
C6 1.011 2.850 0.000
H7 -2.073 -1.023 0.000
H8 1.054 -1.255 0.000
H9 -0.990 1.062 0.000
H10 2.130 1.059 0.000
H11 0.034 3.322 0.000
H12 1.876 3.503 0.000

Atom - Atom Distances (Å)
  C1 O2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.22531.47092.45543.82814.91721.11082.19292.64914.18415.03865.9006
O21.22532.38623.58694.86676.04122.03292.65833.87305.04066.23576.9795
C31.47092.38621.35182.48563.70992.18421.08732.10702.71984.06704.6062
C42.45543.58691.35181.45622.46332.63502.13661.09132.17782.71823.4530
C53.82814.86672.48561.45621.34614.09122.76602.17711.08782.12292.1243
C64.91726.04123.70992.46331.34614.95104.10482.68412.11181.08551.0835
H71.11082.03292.18422.63504.09124.95103.13522.34914.68984.82876.0063
H82.19292.65831.08732.13662.76604.10483.13523.08972.55124.68894.8278
H92.64913.87302.10701.09132.17712.68412.34913.08973.12022.48133.7650
H104.18415.04062.71982.17781.08782.11184.68982.55123.12023.08472.4571
H115.03866.23574.06702.71822.12291.08554.82874.68892.48133.08471.8512
H125.90066.97954.60623.45302.12431.08356.00634.82783.76502.45711.8512

picture of Pentadienal state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 C4 120.828 C1 C3 H8 117.221
O2 C1 C3 124.256 O2 C1 H7 120.890
C3 C1 H7 114.853 C3 C4 C5 124.501
C3 C4 H9 118.796 C4 C3 H8 121.950
C4 C5 C6 122.996 C4 C5 H10 117.006
C5 C4 H9 116.703 C5 C6 H11 121.254
C5 C6 H12 121.560 C6 C5 H10 119.998
H11 C6 H12 117.186
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability