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All results from a given calculation for C5H6O (Pentadienal)

using model chemistry: CCD/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 CCD/6-311G**
 hartrees
Energy at 0K-268.631633
Energy at 298.15K-268.637108
HF Energy-267.716688
Nuclear repulsion energy193.298124
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/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' 3265 3118 10.78      
2 A' 3206 3062 5.03      
3 A' 3189 3046 6.05      
4 A' 3171 3028 7.57      
5 A' 3162 3020 5.63      
6 A' 2955 2822 90.58      
7 A' 1849 1766 223.97      
8 A' 1750 1671 5.89      
9 A' 1681 1606 8.29      
10 A' 1475 1408 2.95      
11 A' 1441 1377 3.03      
12 A' 1334 1274 2.69      
13 A' 1331 1271 2.58      
14 A' 1273 1216 0.72      
15 A' 1203 1149 22.71      
16 A' 1130 1079 69.33      
17 A' 969 925 2.02      
18 A' 606 579 12.64      
19 A' 432 413 0.72      
20 A' 385 368 4.34      
21 A' 150 143 5.75      
22 A" 1044 997 37.09      
23 A" 1027 981 21.74      
24 A" 987 943 4.22      
25 A" 932 890 34.55      
26 A" 852 814 5.08      
27 A" 640 611 2.69      
28 A" 271 259 7.87      
29 A" 188 179 1.61      
30 A" 90 86 2.91      

Unscaled Zero Point Vibrational Energy (zpe) 20991.9 cm-1
Scaled (by 0.9551) Zero Point Vibrational Energy (zpe) 20049.4 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/6-311G**
ABC
0.95338 0.04449 0.04251

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.133 -1.586 0.000
O2 -1.116 -2.792 0.000
C3 0.085 -0.742 0.000
C4 0.000 0.600 0.000
C5 1.153 1.504 0.000
C6 1.037 2.841 0.000
H7 -2.090 -1.023 0.000
H8 1.041 -1.262 0.000
H9 -0.987 1.067 0.000
H10 2.139 1.042 0.000
H11 0.062 3.324 0.000
H12 1.910 3.487 0.000

Atom - Atom Distances (Å)
  C1 O2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.20591.48142.46263.84404.93051.11102.19762.65774.19695.05335.9156
O21.20592.37603.57154.85896.03082.01932.64513.86175.02996.22836.9703
C31.48142.37601.34512.48753.70762.19311.08812.10292.72124.06584.6061
C42.46263.57151.34511.46522.46912.64682.13301.09172.18452.72403.4612
C53.84404.85892.48751.46521.34204.11202.76792.18421.08902.12152.1223
C64.93056.03083.70762.46911.34204.97134.10262.69122.10991.08761.0856
H71.11102.01932.19312.64684.11204.97133.14022.36404.70704.85076.0285
H82.19762.64511.08812.13302.76794.10263.14023.08782.55204.68834.8274
H92.65773.86172.10291.09172.18422.69122.36403.08783.12622.48833.7741
H104.19695.02992.72122.18451.08902.10994.70702.55203.12623.08542.4559
H115.05336.22834.06582.72402.12151.08764.85074.68832.48833.08541.8544
H125.91566.97034.60613.46122.12231.08566.02854.82743.77412.45591.8544

picture of Pentadienal state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 C4 121.131 C1 C3 H8 116.747
O2 C1 C3 123.970 O2 C1 H7 121.224
C3 C1 H7 114.805 C3 C4 C5 124.472
C3 C4 H9 118.937 C4 C3 H8 122.121
C4 C5 C6 123.117 C4 C5 H10 116.806
C5 C4 H9 116.592 C5 C6 H11 121.303
C5 C6 H12 121.552 C6 C5 H10 120.076
H11 C6 H12 117.145
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability