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All results from a given calculation for C5H6O (Pentadienal)

using model chemistry: HF/6-31+G**

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/6-31+G**
 hartrees
Energy at 0K-267.672405
Energy at 298.15K-267.678215
HF Energy-267.672405
Nuclear repulsion energy194.852722
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/6-31+G**
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' 3405 3078 11.77 104.05 0.60 0.75
2 A' 3355 3033 5.35 80.22 0.35 0.52
3 A' 3338 3018 5.88 50.69 0.35 0.52
4 A' 3316 2998 12.69 107.27 0.22 0.35
5 A' 3310 2993 2.65 15.84 0.75 0.86
6 A' 3132 2832 78.28 81.68 0.36 0.53
7 A' 1979 1789 616.51 324.97 0.35 0.51
8 A' 1872 1693 35.34 1194.09 0.26 0.41
9 A' 1798 1626 36.81 4.57 0.73 0.85
10 A' 1579 1427 3.93 50.81 0.37 0.54
11 A' 1535 1388 1.75 1.00 0.48 0.65
12 A' 1436 1299 1.84 0.30 0.05 0.09
13 A' 1428 1291 3.26 123.22 0.24 0.38
14 A' 1372 1240 0.93 17.58 0.49 0.66
15 A' 1283 1160 54.47 177.03 0.44 0.61
16 A' 1192 1078 110.77 7.56 0.53 0.69
17 A' 1030 932 3.63 7.60 0.53 0.69
18 A' 645 584 20.88 0.12 0.38 0.55
19 A' 458 414 1.04 6.22 0.12 0.21
20 A' 416 376 6.13 3.89 0.41 0.59
21 A' 165 149 8.81 1.27 0.64 0.78
22 A" 1147 1037 29.20 4.20 0.75 0.86
23 A" 1131 1022 36.19 13.51 0.75 0.86
24 A" 1105 999 57.71 13.64 0.75 0.86
25 A" 1082 978 12.19 2.60 0.75 0.86
26 A" 964 872 13.39 16.34 0.75 0.86
27 A" 706 639 4.66 0.71 0.75 0.86
28 A" 296 267 11.51 0.07 0.75 0.86
29 A" 206 186 2.66 0.26 0.75 0.86
30 A" 98 89 4.80 0.91 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 22387.8 cm-1
Scaled (by 0.9042) Zero Point Vibrational Energy (zpe) 20243.0 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 HF/6-31+G**
ABC
0.97237 0.04510 0.04310

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.132 -1.573 0.000
O2 -1.119 -2.766 0.000
C3 0.080 -0.737 0.000
C4 0.000 0.592 0.000
C5 1.153 1.494 0.000
C6 1.043 2.816 0.000
H7 -2.082 -1.027 0.000
H8 1.024 -1.255 0.000
H9 -0.973 1.060 0.000
H10 2.128 1.035 0.000
H11 0.084 3.305 0.000
H12 1.910 3.451 0.000

Atom - Atom Distances (Å)
  C1 O2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.19261.47262.44323.82474.89831.09602.17932.63754.17475.02755.8731
O21.19262.35693.53934.82785.98571.98732.62223.82804.99886.18896.9153
C31.47262.35691.33112.47533.68072.18181.07682.08242.70784.04194.5699
C42.44323.53931.33111.46392.45632.63782.11181.07992.17342.71453.4382
C53.82474.82782.47531.46391.32634.10172.75202.17031.07752.10322.0981
C64.89835.98573.68072.45631.32634.95354.07072.67412.08511.07701.0748
H71.09601.98732.18182.63784.10174.95353.11472.36314.68804.84375.9994
H82.17932.62221.07682.11182.75204.07073.11473.05722.54204.65604.7883
H92.63753.82802.08241.07992.17032.67412.36313.05723.10132.48203.7462
H104.17474.99882.70782.17341.07752.08514.68802.54203.10133.05482.4254
H115.02756.18894.04192.71452.10321.07704.84374.65602.48203.05481.8325
H125.87316.91534.56993.43822.09811.07485.99944.78833.74622.42541.8325

picture of Pentadienal state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 C4 121.161 C1 C3 H8 116.625
O2 C1 C3 124.004 O2 C1 H7 120.478
C3 C1 H7 115.518 C3 C4 C5 124.592
C3 C4 H9 119.105 C4 C3 H8 122.214
C4 C5 C6 123.289 C4 C5 H10 116.744
C5 C4 H9 116.304 C5 C6 H11 121.778
C5 C6 H12 121.448 C6 C5 H10 119.967
H11 C6 H12 116.774
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.202      
2 O -0.485      
3 C -0.167      
4 C -0.044      
5 C -0.253      
6 C -0.190      
7 H 0.117      
8 H 0.182      
9 H 0.165      
10 H 0.167      
11 H 0.147      
12 H 0.159      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.764 4.337 0.000 4.404
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.838 -3.892 0.000
y -3.892 -45.336 0.000
z 0.000 0.000 -39.194
Traceless
 xyz
x 9.427 -3.892 0.000
y -3.892 -9.320 0.000
z 0.000 0.000 -0.107
Polar
3z2-r2-0.214
x2-y212.499
xy-3.892
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.777 2.232 0.000
y 2.232 17.539 0.000
z 0.000 0.000 5.396


<r2> (average value of r2) Å2
<r2> 241.222
(<r2>)1/2 15.531