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All results from a given calculation for C5H6O (Pentadienal)

using model chemistry: CID/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CID/6-311G*
 hartrees
Energy at 0K-268.425133
Energy at 298.15K-268.430802
HF Energy-267.708075
Nuclear repulsion energy194.674062
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 CID/6-311G*
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' 3352 3114 11.25      
2 A' 3295 3061 5.65      
3 A' 3281 3048 5.91      
4 A' 3260 3028 10.85      
5 A' 3254 3024 3.04      
6 A' 3057 2840 91.79      
7 A' 1920 1784 389.87      
8 A' 1824 1695 24.57      
9 A' 1753 1628 18.33      
10 A' 1529 1420 4.89      
11 A' 1489 1384 2.83      
12 A' 1393 1294 1.98      
13 A' 1385 1287 3.17      
14 A' 1328 1234 1.21      
15 A' 1248 1159 30.81      
16 A' 1168 1085 95.77      
17 A' 1006 935 3.81      
18 A' 629 584 16.39      
19 A' 448 416 0.74      
20 A' 402 374 5.37      
21 A' 157 146 6.71      
22 A" 1096 1018 29.96      
23 A" 1080 1003 35.46      
24 A" 1042 968 13.90      
25 A" 1009 937 38.53      
26 A" 914 849 10.02      
27 A" 677 629 3.59      
28 A" 287 266 9.95      
29 A" 201 187 1.67      
30 A" 95 89 3.53      

Unscaled Zero Point Vibrational Energy (zpe) 21787.9 cm-1
Scaled (by 0.9291) Zero Point Vibrational Energy (zpe) 20243.2 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 CID/6-311G*
ABC
0.96810 0.04509 0.04308

See section I.F.4 to change rotational constant units
Geometric Data calculated at CID/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.123 -1.577 0.000
O2 -1.109 -2.773 0.000
C3 0.085 -0.737 0.000
C4 0.000 0.594 0.000
C5 1.146 1.497 0.000
C6 1.028 2.821 0.000
H7 -2.078 -1.026 0.000
H8 1.034 -1.254 0.000
H9 -0.980 1.058 0.000
H10 2.127 1.042 0.000
H11 0.062 3.305 0.000
H12 1.893 3.465 0.000

Atom - Atom Distances (Å)
  C1 O2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.19581.47212.44463.82134.89621.10252.18162.63884.17475.02415.8753
O21.19582.36043.54474.82895.98811.99762.62673.83275.00286.18976.9223
C31.47212.36041.33342.47313.68062.18281.08092.08672.70834.04184.5739
C42.44463.54471.33341.45912.45292.63522.11781.08412.17382.71183.4387
C53.82134.82892.47311.45911.32894.09432.75382.17071.08162.10752.1045
C64.89625.98813.68062.45291.32894.94484.07522.67222.09081.08011.0782
H71.10251.99762.18282.63524.09434.94483.12092.35574.68664.83145.9950
H82.18162.62671.08092.11782.75384.07523.12093.06612.54344.66164.7964
H92.63883.83272.08671.08412.17072.67222.35573.06613.10702.47723.7479
H104.17475.00282.70832.17381.08162.09084.68662.54343.10703.06302.4336
H115.02416.18974.04182.71182.10751.08014.83144.66162.47723.06301.8376
H125.87536.92234.57393.43872.10451.07825.99504.79643.74792.43361.8376

picture of Pentadienal state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 C4 121.151 C1 C3 H8 116.585
O2 C1 C3 124.120 O2 C1 H7 120.675
C3 C1 H7 115.204 C3 C4 C5 124.591
C3 C4 H9 118.989 C4 C3 H8 122.264
C4 C5 C6 123.167 C4 C5 H10 116.873
C5 C4 H9 116.420 C5 C6 H11 121.705
C5 C6 H12 121.568 C6 C5 H10 119.960
H11 C6 H12 116.726
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability