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All results from a given calculation for C5H6O (Pentadienal)

using model chemistry: mPW1PW91/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/6-31G(2df,p)
 hartrees
Energy at 0K-269.266698
Energy at 298.15K-269.272254
HF Energy-269.266698
Nuclear repulsion energy194.376320
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 mPW1PW91/6-31G(2df,p)
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' 3272 3124 5.45      
2 A' 3206 3061 4.41      
3 A' 3190 3046 5.62      
4 A' 3176 3032 5.32      
5 A' 3158 3015 5.34      
6 A' 2893 2762 100.35      
7 A' 1822 1740 332.21      
8 A' 1723 1645 64.16      
9 A' 1675 1599 25.65      
10 A' 1459 1392 4.45      
11 A' 1422 1358 0.57      
12 A' 1326 1266 3.19      
13 A' 1319 1259 1.98      
14 A' 1260 1203 4.49      
15 A' 1198 1143 24.77      
16 A' 1136 1085 105.32      
17 A' 965 921 5.74      
18 A' 600 572 15.59      
19 A' 433 414 0.46      
20 A' 379 362 3.85      
21 A' 146 139 5.66      
22 A" 1068 1020 30.35      
23 A" 1038 991 5.79      
24 A" 1005 959 10.61      
25 A" 969 926 26.21      
26 A" 892 852 6.33      
27 A" 663 633 1.77      
28 A" 288 275 5.73      
29 A" 215 205 1.28      
30 A" 98 93 2.68      

Unscaled Zero Point Vibrational Energy (zpe) 20996.6 cm-1
Scaled (by 0.9547) Zero Point Vibrational Energy (zpe) 20045.5 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 mPW1PW91/6-31G(2df,p)
ABC
0.96598 0.04504 0.04303

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.082 -1.594 0.000
O2 -1.064 -2.800 0.000
C3 0.108 -0.744 0.000
C4 0.000 0.595 0.000
C5 1.110 1.519 0.000
C6 0.961 2.846 0.000
H7 -2.043 -1.032 0.000
H8 1.072 -1.244 0.000
H9 -0.998 1.034 0.000
H10 2.107 1.086 0.000
H11 -0.024 3.303 0.000
H12 1.811 3.517 0.000

Atom - Atom Distances (Å)
  C1 O2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.20671.46202.44113.80694.88691.11362.18132.62854.16535.00985.8723
O21.20672.36683.55774.83545.99812.02142.64203.83425.01576.19136.9402
C31.46202.36681.34272.47473.68962.17031.08592.09292.71034.04884.5882
C42.44113.55771.34271.44452.44772.61182.12821.08992.16372.70843.4377
C53.80694.83542.47471.44451.33544.05612.76332.16311.08692.11392.1171
C64.88695.99813.68962.44771.33544.90544.09162.66852.10041.08521.0831
H71.11362.02142.17032.61184.05614.90543.12192.31514.65974.78265.9622
H82.18132.64201.08592.12822.76334.09163.12193.07712.55004.67724.8178
H92.62853.83422.09291.08992.16312.66852.31513.07713.10542.46993.7492
H104.16535.01572.71032.16371.08692.10044.65972.55003.10543.07492.4484
H115.00986.19134.04882.70842.11391.08524.78264.67722.46993.07491.8471
H125.87236.94024.58823.43772.11711.08315.96224.81783.74922.44841.8471

picture of Pentadienal state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 C4 120.947 C1 C3 H8 117.002
O2 C1 C3 124.698 O2 C1 H7 121.140
C3 C1 H7 114.162 C3 C4 C5 125.171
C3 C4 H9 118.341 C4 C3 H8 122.050
C4 C5 C6 123.349 C4 C5 H10 116.756
C5 C4 H9 116.489 C5 C6 H11 121.338
C5 C6 H12 121.826 C6 C5 H10 119.895
H11 C6 H12 116.836
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.153      
2 O -0.299      
3 C -0.206      
4 C -0.062      
5 C -0.040      
6 C -0.367      
7 H 0.092      
8 H 0.144      
9 H 0.136      
10 H 0.138      
11 H 0.151      
12 H 0.160      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.977 3.808 0.000 3.931
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.111 -2.929 0.000
y -2.929 -41.520 0.000
z 0.000 0.000 -36.978
Traceless
 xyz
x 7.138 -2.929 0.000
y -2.929 -6.976 0.000
z 0.000 0.000 -0.162
Polar
3z2-r2-0.324
x2-y29.409
xy-2.929
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.358 2.778 0.000
y 2.778 16.953 0.000
z 0.000 0.000 3.927


<r2> (average value of r2) Å2
<r2> 240.129
(<r2>)1/2 15.496