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All results from a given calculation for C5H6O (Pentadienal)

using model chemistry: HF/CEP-121G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HF/CEP-121G
 hartrees
Energy at 0K-46.470947
Energy at 298.15K-46.476811
HF Energy-46.470947
Nuclear repulsion energy101.727059
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 HF/CEP-121G
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' 3391 3094 25.32 107.37 0.58 0.74
2 A' 3341 3049 10.26 75.69 0.32 0.48
3 A' 3320 3029 10.57 61.40 0.31 0.48
4 A' 3293 3005 15.86 81.56 0.30 0.47
5 A' 3281 2994 7.27 47.44 0.15 0.26
6 A' 3173 2895 76.42 78.72 0.34 0.51
7 A' 1854 1692 517.65 1374.12 0.31 0.47
8 A' 1828 1668 100.35 242.21 0.26 0.41
9 A' 1753 1599 0.98 2.41 0.04 0.08
10 A' 1575 1437 8.59 65.29 0.38 0.55
11 A' 1517 1384 5.88 1.04 0.59 0.74
12 A' 1439 1313 0.62 0.53 0.49 0.66
13 A' 1424 1299 5.22 161.63 0.30 0.46
14 A' 1384 1263 1.20 3.26 0.67 0.80
15 A' 1292 1179 44.31 176.16 0.44 0.61
16 A' 1197 1092 95.46 11.76 0.51 0.67
17 A' 1033 943 6.53 6.65 0.50 0.66
18 A' 638 582 24.64 0.15 0.73 0.84
19 A' 457 417 0.96 7.64 0.21 0.35
20 A' 410 374 8.52 6.42 0.47 0.64
21 A' 163 148 9.18 1.11 0.64 0.78
22 A" 1141 1041 54.90 0.86 0.75 0.86
23 A" 1125 1026 24.59 44.77 0.75 0.86
24 A" 1108 1011 67.69 4.40 0.75 0.86
25 A" 1083 988 0.20 0.20 0.75 0.86
26 A" 973 888 18.05 23.56 0.75 0.86
27 A" 714 651 4.73 3.30 0.75 0.86
28 A" 294 268 13.14 0.14 0.75 0.86
29 A" 219 200 2.31 0.11 0.75 0.86
30 A" 104 95 6.61 1.45 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 22260.0 cm-1
Scaled (by 0.9125) Zero Point Vibrational Energy (zpe) 20312.2 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 HF/CEP-121G
ABC
0.96255 0.04413 0.04219

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/CEP-121G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.165 -1.564 0.000
O2 -1.156 -2.794 0.000
C3 0.059 -0.738 0.000
C4 0.000 0.608 0.000
C5 1.181 1.490 0.000
C6 1.100 2.830 0.000
H7 -2.115 -1.027 0.000
H8 0.995 -1.269 0.000
H9 -0.964 1.096 0.000
H10 2.144 1.008 0.000
H11 0.153 3.343 0.000
H12 1.983 3.444 0.000

Atom - Atom Distances (Å)
  C1 O2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.22971.47762.46483.85184.94401.09112.18022.66804.19205.08165.9159
O21.22972.38843.59254.88006.05952.01072.63593.89475.03456.27526.9833
C31.47762.38841.34652.49443.71642.19361.07612.09972.71954.08214.6032
C42.46483.59251.34651.47442.47982.67322.12431.08042.18152.74013.4610
C53.85184.88002.49441.47441.34204.14742.76612.18041.07742.11922.1121
C64.94406.05953.71642.47981.34205.02154.10072.69562.09971.07781.0752
H71.09112.01072.19362.67324.14745.02153.11942.41524.72084.92386.0651
H82.18022.63591.07612.12432.76614.10073.11943.07092.55144.68914.8163
H92.66803.89472.09971.08042.18042.69562.41523.07093.10922.50933.7676
H104.19205.03452.71952.18151.07742.09974.72082.55143.10923.06922.4416
H115.08166.27524.08212.74012.11921.07784.92384.68912.50933.06921.8327
H125.91596.98334.60323.46102.11211.07526.06514.81633.76762.44161.8327

picture of Pentadienal state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 C4 121.493 C1 C3 H8 116.366
O2 C1 C3 123.557 O2 C1 H7 119.958
C3 C1 H7 116.485 C3 C4 C5 124.260
C3 C4 H9 119.404 C4 C3 H8 122.141
C4 C5 C6 123.342 C4 C5 H10 116.634
C5 C4 H9 116.336 C5 C6 H11 121.892
C5 C6 H12 121.418 C6 C5 H10 120.024
H11 C6 H12 116.690
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.030      
2 O -0.282      
3 C -0.136      
4 C -0.118      
5 C 0.041      
6 C -0.467      
7 H 0.115      
8 H 0.206      
9 H 0.179      
10 H 0.177      
11 H 0.161      
12 H 0.152      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.811 4.750 0.000 4.819
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.795 -4.409 0.000
y -4.409 -47.072 0.000
z 0.000 0.000 -39.262
Traceless
 xyz
x 10.372 -4.409 0.000
y -4.409 -11.043 0.000
z 0.000 0.000 0.671
Polar
3z2-r21.343
x2-y214.277
xy-4.409
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.394 2.360 0.000
y 2.360 17.980 0.000
z 0.000 0.000 4.077


<r2> (average value of r2) Å2
<r2> 192.750
(<r2>)1/2 13.883