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All results from a given calculation for C5H6O (Pentadienal)

using model chemistry: HF/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 HF/TZVP
 hartrees
Energy at 0K-267.742216
Energy at 298.15K-267.748028
HF Energy-267.742216
Nuclear repulsion energy195.426994
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/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' 3382 3073 11.38 97.65 0.59 0.74
2 A' 3336 3031 5.59 79.79 0.33 0.50
3 A' 3318 3015 5.79 45.78 0.32 0.48
4 A' 3298 2996 10.55 117.33 0.22 0.36
5 A' 3291 2991 2.74 18.51 0.30 0.46
6 A' 3104 2821 81.55 83.17 0.32 0.48
7 A' 1969 1789 578.95 270.55 0.35 0.51
8 A' 1861 1691 36.63 1081.11 0.28 0.43
9 A' 1791 1628 36.89 4.87 0.71 0.83
10 A' 1576 1432 4.79 46.25 0.37 0.54
11 A' 1539 1398 1.90 1.41 0.49 0.66
12 A' 1436 1305 1.98 0.06 0.30 0.46
13 A' 1427 1296 3.26 107.76 0.26 0.42
14 A' 1370 1245 1.17 14.38 0.48 0.65
15 A' 1277 1160 49.21 172.26 0.42 0.59
16 A' 1178 1071 116.60 9.80 0.52 0.68
17 A' 1027 933 2.87 8.17 0.48 0.65
18 A' 648 589 19.44 0.13 0.43 0.60
19 A' 457 416 1.09 5.32 0.15 0.26
20 A' 418 379 5.88 4.06 0.45 0.62
21 A' 165 150 8.19 1.30 0.65 0.79
22 A" 1141 1037 28.12 3.82 0.75 0.86
23 A" 1119 1017 27.41 13.44 0.75 0.86
24 A" 1097 997 61.47 11.33 0.75 0.86
25 A" 1075 977 3.41 0.19 0.75 0.86
26 A" 950 863 14.35 19.02 0.75 0.86
27 A" 703 639 4.30 1.90 0.75 0.86
28 A" 294 267 9.77 0.01 0.75 0.86
29 A" 201 183 2.21 0.20 0.75 0.86
30 A" 98 89 4.93 1.11 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 22272.9 cm-1
Scaled (by 0.9086) Zero Point Vibrational Energy (zpe) 20237.2 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/TZVP
ABC
0.97734 0.04536 0.04335

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.127 -1.572 0.000
O2 -1.116 -2.757 0.000
C3 0.082 -0.733 0.000
C4 0.000 0.589 0.000
C5 1.149 1.492 0.000
C6 1.038 2.807 0.000
H7 -2.077 -1.024 0.000
H8 1.026 -1.249 0.000
H9 -0.973 1.055 0.000
H10 2.124 1.035 0.000
H11 0.078 3.295 0.000
H12 1.903 3.443 0.000

Atom - Atom Distances (Å)
  C1 O2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.18581.47192.43723.81704.88491.09582.17712.63074.16675.01335.8591
O21.18582.35263.52794.81585.96701.98162.61973.81464.98776.16876.8964
C31.47192.35261.32482.46783.66702.17831.07552.07592.70044.02764.5557
C42.43723.52791.32481.46152.44882.62942.10541.07862.16972.70643.4301
C53.81704.81582.46781.46151.31994.09092.74432.16691.07632.09652.0914
C64.88495.96703.66702.44881.31994.93714.05672.66732.07871.07581.0738
H71.09581.98162.17832.62944.09094.93713.11042.35324.67744.82625.9824
H82.17712.61971.07552.10542.74434.05673.11043.05012.53434.64164.7737
H92.63073.81462.07591.07862.16692.66732.35323.05013.09662.47453.7385
H104.16674.98772.70042.16971.07632.07874.67742.53433.09663.04772.4182
H115.01336.16874.02762.70642.09651.07584.82624.64162.47453.04771.8306
H125.85916.89644.55573.43012.09141.07385.98244.77373.73852.41821.8306

picture of Pentadienal state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 C4 121.169 C1 C3 H8 116.579
O2 C1 C3 124.197 O2 C1 H7 120.521
C3 C1 H7 115.281 C3 C4 C5 124.596
C3 C4 H9 119.120 C4 C3 H8 122.252
C4 C5 C6 123.304 C4 C5 H10 116.697
C5 C4 H9 116.284 C5 C6 H11 121.782
C5 C6 H12 121.443 C6 C5 H10 120.000
H11 C6 H12 116.774
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.169      
2 O -0.377      
3 C -0.077      
4 C -0.054      
5 C -0.091      
6 C -0.243      
7 H 0.049      
8 H 0.143      
9 H 0.125      
10 H 0.125      
11 H 0.114      
12 H 0.116      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.762 4.191 0.000 4.260
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.768 -3.772 0.000
y -3.772 -44.885 0.000
z 0.000 0.000 -38.821
Traceless
 xyz
x 9.085 -3.772 0.000
y -3.772 -9.091 0.000
z 0.000 0.000 0.005
Polar
3z2-r20.011
x2-y212.118
xy-3.772
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.610 2.093 0.000
y 2.093 17.077 0.000
z 0.000 0.000 5.013


<r2> (average value of r2) Å2
<r2> 239.814
(<r2>)1/2 15.486