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All results from a given calculation for C5H6O (Pentadienal)

using model chemistry: QCISD(T)=FULL/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 QCISD(T)=FULL/cc-pVDZ
 hartrees
Energy at 0K-268.606752
Energy at 298.15K-268.612178
HF Energy-267.670243
Nuclear repulsion energy191.753261
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 QCISD(T)=FULL/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' 3258 3124        
2 A' 3189 3058        
3 A' 3174 3044        
4 A' 3155 3026        
5 A' 3144 3015        
6 A' 2902 2783        
7 A' 1767 1694        
8 A' 1698 1629        
9 A' 1638 1571        
10 A' 1446 1386        
11 A' 1404 1347        
12 A' 1304 1250        
13 A' 1301 1247        
14 A' 1244 1193        
15 A' 1180 1131        
16 A' 1121 1075        
17 A' 955 916        
18 A' 590 566        
19 A' 425 407        
20 A' 375 360        
21 A' 144 138        
22 A" 1028 986        
23 A" 1005 963        
24 A" 970 930        
25 A" 915 877        
26 A" 841 807        
27 A" 636 610        
28 A" 273 262        
29 A" 199 191        
30 A" 93 89        

Unscaled Zero Point Vibrational Energy (zpe) 20685.1 cm-1
Scaled (by 0.959) Zero Point Vibrational Energy (zpe) 19837.0 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 QCISD(T)=FULL/cc-pVDZ
ABC
0.93796 0.04386 0.04190

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)=FULL/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.127 -1.598 0.000
O2 -1.115 -2.820 0.000
C3 0.091 -0.752 0.000
C4 0.000 0.607 0.000
C5 1.150 1.516 0.000
C6 1.027 2.869 0.000
H7 -2.091 -1.021 0.000
H8 1.060 -1.270 0.000
H9 -1.000 1.071 0.000
H10 2.149 1.057 0.000
H11 0.040 3.351 0.000
H12 1.907 3.524 0.000

Atom - Atom Distances (Å)
  C1 O2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.22211.48302.47653.85834.95971.12412.21182.67274.21675.08485.9529
O21.22212.39403.60414.89266.07942.04722.67153.89345.06796.27837.0268
C31.48302.39401.36232.50363.74052.19921.09872.12502.73994.10334.6454
C42.47653.60411.36231.46642.48452.65062.15551.10232.19572.74403.4845
C53.85834.89262.50361.46641.35864.11692.78722.19581.09952.14432.1452
C64.95976.07943.74052.48451.35864.98624.13892.70952.13181.09831.0962
H71.12412.04722.19922.65064.11694.98623.16172.36024.72244.86406.0532
H82.21182.67151.09872.15552.78724.13893.16173.11842.56824.73164.8674
H92.67273.89342.12501.10232.19582.70952.36023.11843.14902.50553.8028
H104.21675.06792.73992.19571.09952.13184.72242.56823.14903.11632.4792
H115.08486.27834.10332.74402.14431.09834.86404.73162.50553.11631.8743
H125.95297.02684.64543.48452.14521.09626.05324.86743.80282.47921.8743

picture of Pentadienal state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 C4 120.947 C1 C3 H8 117.127
O2 C1 C3 124.222 O2 C1 H7 121.451
C3 C1 H7 114.328 C3 C4 C5 124.482
C3 C4 H9 118.748 C4 C3 H8 121.926
C4 C5 C6 123.117 C4 C5 H10 116.963
C5 C4 H9 116.770 C5 C6 H11 121.208
C5 C6 H12 121.461 C6 C5 H10 119.920
H11 C6 H12 117.330
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability