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All results from a given calculation for C5H6O (Pentadienal)

using model chemistry: B1B95/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B1B95/6-311G**
 hartrees
Energy at 0K-269.260207
Energy at 298.15K-269.265751
HF Energy-269.260207
Nuclear repulsion energy194.658318
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 B1B95/6-311G**
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' 3260 3130 7.94      
2 A' 3197 3069 5.42      
3 A' 3181 3054 6.72      
4 A' 3164 3038 6.52      
5 A' 3147 3021 6.90      
6 A' 2890 2775 110.91      
7 A' 1814 1742 367.33      
8 A' 1725 1656 61.65      
9 A' 1674 1607 25.03      
10 A' 1453 1395 5.24      
11 A' 1405 1349 0.80      
12 A' 1321 1269 3.11      
13 A' 1315 1263 2.73      
14 A' 1257 1207 5.14      
15 A' 1194 1146 23.11      
16 A' 1134 1089 108.73      
17 A' 964 926 5.73      
18 A' 600 576 16.02      
19 A' 431 414 0.33      
20 A' 376 361 4.57      
21 A' 141 136 5.97      
22 A" 1058 1016 46.33      
23 A" 1030 989 5.95      
24 A" 997 957 18.89      
25 A" 965 927 28.18      
26 A" 886 851 9.20      
27 A" 658 632 2.87      
28 A" 287 276 7.69      
29 A" 214 205 1.34      
30 A" 97 94 2.55      

Unscaled Zero Point Vibrational Energy (zpe) 20918.0 cm-1
Scaled (by 0.9601) Zero Point Vibrational Energy (zpe) 20083.3 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 B1B95/6-311G**
ABC
0.96686 0.04519 0.04317

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.084 -1.588 0.000
O2 -1.067 -2.793 0.000
C3 0.106 -0.742 0.000
C4 0.000 0.594 0.000
C5 1.113 1.514 0.000
C6 0.965 2.839 0.000
H7 -2.045 -1.029 0.000
H8 1.067 -1.244 0.000
H9 -0.995 1.033 0.000
H10 2.108 1.081 0.000
H11 -0.018 3.295 0.000
H12 1.817 3.506 0.000

Atom - Atom Distances (Å)
  C1 O2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.20531.46032.43683.80144.87891.11112.17882.62314.16074.99855.8621
O21.20532.36283.55154.82745.98802.01682.63723.82745.00856.17836.9278
C31.46032.36281.34062.47063.68312.16981.08412.08962.70734.03934.5795
C42.43683.55151.34061.44382.44392.61082.12531.08812.16302.70113.4320
C53.80144.82742.47061.44381.33354.05452.75822.16241.08492.10962.1126
C64.87895.98803.68312.44391.33354.90174.08442.66572.09691.08351.0812
H71.11112.01682.16982.61084.05454.90173.11912.31434.65774.77615.9564
H82.17882.63721.08412.12532.75824.08443.11913.07252.54684.66684.8084
H92.62313.82742.08961.08812.16242.66572.31433.07253.10342.46413.7445
H104.16075.00852.70732.16301.08492.09694.65772.54683.10343.06912.4424
H114.99856.17834.03932.70112.10961.08354.77614.66682.46413.06911.8463
H125.86216.92784.57953.43202.11261.08125.95644.80843.74452.44241.8463

picture of Pentadienal state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 C4 120.862 C1 C3 H8 117.036
O2 C1 C3 124.573 O2 C1 H7 121.021
C3 C1 H7 114.406 C3 C4 C5 125.037
C3 C4 H9 118.350 C4 C3 H8 122.102
C4 C5 C6 123.226 C4 C5 H10 116.891
C5 C4 H9 116.613 C5 C6 H11 121.233
C5 C6 H12 121.708 C6 C5 H10 119.883
H11 C6 H12 117.059
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.188      
2 O -0.302      
3 C -0.180      
4 C -0.087      
5 C -0.127      
6 C -0.198      
7 H 0.071      
8 H 0.128      
9 H 0.123      
10 H 0.122      
11 H 0.126      
12 H 0.135      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.934 3.836 0.000 3.948
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.492 -3.003 0.000
y -3.003 -42.242 0.000
z 0.000 0.000 -37.853
Traceless
 xyz
x 7.556 -3.003 0.000
y -3.003 -7.070 0.000
z 0.000 0.000 -0.486
Polar
3z2-r2-0.972
x2-y29.750
xy-3.003
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.370 2.653 0.000
y 2.653 17.230 0.000
z 0.000 0.000 4.006


<r2> (average value of r2) Å2
<r2> 239.834
(<r2>)1/2 15.487