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All results from a given calculation for C5H6O (Pentadienal)

using model chemistry: PBEPBE/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 PBEPBE/6-31+G**
 hartrees
Energy at 0K-269.002943
Energy at 298.15K-269.008333
HF Energy-269.002943
Nuclear repulsion energy192.303416
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 PBEPBE/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' 3187 3151 6.65      
2 A' 3114 3078 6.29      
3 A' 3097 3062 5.89      
4 A' 3090 3055 7.28      
5 A' 3064 3029 6.90      
6 A' 2803 2771 108.43      
7 A' 1696 1677 359.08      
8 A' 1640 1621 79.58      
9 A' 1598 1580 26.13      
10 A' 1411 1395 4.44      
11 A' 1362 1347 0.14      
12 A' 1282 1267 1.78      
13 A' 1274 1259 1.81      
14 A' 1225 1211 4.10      
15 A' 1167 1154 22.95      
16 A' 1112 1099 104.64      
17 A' 940 929 6.26      
18 A' 584 578 15.28      
19 A' 422 417 0.55      
20 A' 371 367 3.89      
21 A' 143 142 5.59      
22 A" 1011 1000 55.68      
23 A" 975 964 1.53      
24 A" 943 932 12.22      
25 A" 911 901 32.10      
26 A" 848 839 9.15      
27 A" 630 623 2.94      
28 A" 276 272 7.08      
29 A" 212 210 1.56      
30 A" 95 94 2.36      

Unscaled Zero Point Vibrational Energy (zpe) 20242.0 cm-1
Scaled (by 0.9886) Zero Point Vibrational Energy (zpe) 20011.2 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 PBEPBE/6-31+G**
ABC
0.94983 0.04414 0.04218

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.098 -1.598 0.000
O2 -1.082 -2.830 0.000
C3 0.098 -0.752 0.000
C4 0.000 0.609 0.000
C5 1.124 1.523 0.000
C6 0.989 2.871 0.000
H7 -2.073 -1.039 0.000
H8 1.070 -1.260 0.000
H9 -1.004 1.058 0.000
H10 2.127 1.079 0.000
H11 0.001 3.345 0.000
H12 1.858 3.534 0.000

Atom - Atom Distances (Å)
  C1 O2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.23221.46482.46433.83044.93211.12382.19352.65754.19075.06315.9222
O21.23222.38993.60474.87976.06572.04662.66373.88875.05736.26887.0104
C31.46482.38991.36382.49513.73092.18951.09662.11932.73264.09754.6331
C42.46433.60471.36381.44862.46942.64752.15321.10052.17862.73613.4658
C53.83044.87972.49511.44861.35504.09602.78342.17831.09752.13982.1412
C64.93216.06573.73092.46941.35504.96604.13202.69472.12341.09541.0930
H71.12382.04662.18952.64754.09604.96603.15012.35324.70334.84926.0300
H82.19352.66371.09662.15322.78344.13203.15013.11072.56664.72704.8585
H92.65753.88872.11931.10052.17832.69472.35323.11073.13182.49793.7849
H104.19075.05732.73262.17861.09752.12344.70332.56663.13183.10732.4702
H115.06316.26884.09752.73612.13981.09544.84924.72702.49793.10731.8666
H125.92227.01044.63313.46582.14121.09306.03004.85853.78492.47021.8666

picture of Pentadienal state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 C4 121.156 C1 C3 H8 117.102
O2 C1 C3 124.567 O2 C1 H7 120.543
C3 C1 H7 114.890 C3 C4 C5 125.008
C3 C4 H9 118.236 C4 C3 H8 121.743
C4 C5 C6 123.434 C4 C5 H10 116.988
C5 C4 H9 116.756 C5 C6 H11 121.306
C5 C6 H12 121.635 C6 C5 H10 119.578
H11 C6 H12 117.058
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.058      
2 O -0.361      
3 C 0.010      
4 C -0.131      
5 C 0.035      
6 C -0.405      
7 H 0.118      
8 H 0.163      
9 H 0.150      
10 H 0.153      
11 H 0.161      
12 H 0.166      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.129 4.261 0.000 4.408
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.313 -3.206 0.000
y -3.206 -43.931 0.000
z 0.000 0.000 -38.811
Traceless
 xyz
x 8.058 -3.206 0.000
y -3.206 -7.869 0.000
z 0.000 0.000 -0.189
Polar
3z2-r2-0.378
x2-y210.618
xy-3.206
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.707 3.534 0.000
y 3.534 19.964 0.000
z 0.000 0.000 5.600


<r2> (average value of r2) Å2
<r2> 245.687
(<r2>)1/2 15.674