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All results from a given calculation for C5H6O (Pentadienal)

using model chemistry: B3LYP/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYP/6-31G**
 hartrees
Energy at 0K-269.328233
Energy at 298.15K-269.333776
HF Energy-269.328233
Nuclear repulsion energy193.459382
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 B3LYP/6-31G**
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' 3252 3124 9.26      
2 A' 3187 3062 6.75      
3 A' 3169 3044 6.87      
4 A' 3159 3035 7.96      
5 A' 3139 3016 6.28      
6 A' 2880 2767 111.53      
7 A' 1789 1718 318.06      
8 A' 1710 1643 58.92      
9 A' 1664 1599 25.68      
10 A' 1466 1408 3.61      
11 A' 1425 1369 0.36      
12 A' 1330 1278 2.68      
13 A' 1324 1272 1.85      
14 A' 1268 1218 2.93      
15 A' 1199 1152 28.00      
16 A' 1130 1086 108.18      
17 A' 969 931 5.06      
18 A' 603 580 15.88      
19 A' 432 415 0.58      
20 A' 384 369 4.06      
21 A' 149 144 5.59      
22 A" 1059 1017 32.40      
23 A" 1023 983 4.66      
24 A" 992 953 10.61      
25 A" 956 919 27.73      
26 A" 882 847 6.58      
27 A" 656 631 1.75      
28 A" 284 273 5.75      
29 A" 218 210 1.19      
30 A" 99 95 2.82      

Unscaled Zero Point Vibrational Energy (zpe) 20898.8 cm-1
Scaled (by 0.9608) Zero Point Vibrational Energy (zpe) 20079.6 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 B3LYP/6-31G**
ABC
0.96229 0.04458 0.04261

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.101 -1.592 0.000
O2 -1.084 -2.810 0.000
C3 0.095 -0.745 0.000
C4 0.000 0.602 0.000
C5 1.126 1.516 0.000
C6 0.994 2.852 0.000
H7 -2.065 -1.032 0.000
H8 1.057 -1.252 0.000
H9 -0.994 1.053 0.000
H10 2.119 1.071 0.000
H11 0.016 3.325 0.000
H12 1.856 3.510 0.000

Atom - Atom Distances (Å)
  C1 O2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.21801.46582.45463.82334.91271.11462.18472.64654.17895.04235.8972
O21.21802.37773.57954.85726.03052.03062.64713.86325.03196.23266.9701
C31.46582.37771.34992.48453.70702.17911.08762.10132.71944.07064.6049
C42.45463.57951.34991.45002.45962.63332.13421.09132.17062.72333.4501
C53.82334.85722.48451.45001.34204.08322.76922.16961.08872.12232.1237
C64.91276.03053.70702.45961.34204.94384.10432.68132.10601.08691.0848
H71.11462.03062.17912.63334.08324.94383.12972.34364.68324.82866.0006
H82.18472.64711.08762.13422.76924.10433.12973.08512.55484.69434.8289
H92.64653.86322.10131.09132.16962.68132.34363.08513.11322.48693.7634
H104.17895.03192.71942.17061.08872.10604.68322.55483.11323.08292.4530
H115.04236.23264.07062.72332.12231.08694.82864.69432.48693.08291.8496
H125.89726.97014.60493.45012.12371.08486.00064.82893.76342.45301.8496

picture of Pentadienal state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 C4 121.272 C1 C3 H8 116.872
O2 C1 C3 124.478 O2 C1 H7 120.979
C3 C1 H7 114.543 C3 C4 C5 125.048
C3 C4 H9 118.423 C4 C3 H8 121.856
C4 C5 C6 123.467 C4 C5 H10 116.802
C5 C4 H9 116.529 C5 C6 H11 121.449
C5 C6 H12 121.756 C6 C5 H10 119.731
H11 C6 H12 116.795
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.278      
2 O -0.423      
3 C -0.121      
4 C -0.050      
5 C -0.033      
6 C -0.237      
7 H 0.057      
8 H 0.106      
9 H 0.097      
10 H 0.099      
11 H 0.111      
12 H 0.117      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.006 3.880 0.000 4.008
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.593 -3.023 0.000
y -3.023 -42.185 0.000
z 0.000 0.000 -37.135
Traceless
 xyz
x 7.067 -3.023 0.000
y -3.023 -7.321 0.000
z 0.000 0.000 0.254
Polar
3z2-r20.508
x2-y29.592
xy-3.023
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.227 2.891 0.000
y 2.891 17.120 0.000
z 0.000 0.000 3.160


<r2> (average value of r2) Å2
<r2> 242.566
(<r2>)1/2 15.575