return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for HOCHCCHOH (allenediol)

using model chemistry: PBEPBE/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at PBEPBE/STO-3G
 hartrees
Energy at 0K-263.259555
Energy at 298.15K-263.263342
HF Energy-263.259555
Nuclear repulsion energy148.544258
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/STO-3G
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 3575 3266 5.91      
2 A 3315 3029 0.39      
3 A 1607 1469 11.25      
4 A 1411 1289 0.01      
5 A 1227 1121 10.67      
6 A 953 871 46.60      
7 A 936 855 3.11      
8 A 566 517 61.31      
9 A 510 466 5.48      
10 A 321 293 4.74      
11 A 118 108 0.00      
12 B 3575 3266 49.93      
13 B 3317 3030 0.45      
14 B 2099 1917 312.97      
15 B 1501 1371 62.74      
16 B 1342 1226 13.99      
17 B 1119 1022 139.64      
18 B 860 785 20.00      
19 B 586 535 14.17      
20 B 559 511 58.39      
21 B 154 141 1.24      

Unscaled Zero Point Vibrational Energy (zpe) 14824.2 cm-1
Scaled (by 0.9136) Zero Point Vibrational Energy (zpe) 13543.4 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/STO-3G
ABC
0.69167 0.07329 0.07120

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/STO-3G

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.398
C2 0.000 1.327 0.380
C3 0.000 -1.327 0.380
O4 0.820 2.162 -0.441
O5 -0.820 -2.162 -0.441
H6 -0.648 1.967 1.019
H7 0.648 -1.967 1.019
H8 1.375 1.457 -0.965
H9 -1.375 -1.457 -0.965

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 H6 H7 H8 H9
C11.32751.32752.45942.45942.16232.16232.42302.4230
C21.32752.65481.42913.67701.11223.41791.92793.3845
C31.32752.65483.67701.42913.41791.11223.38451.9279
O42.45941.42913.67704.62382.07924.38291.03894.2648
O52.45943.67701.42914.62384.38292.07924.26481.0389
H62.16231.11223.41792.07924.38294.14222.87894.0239
H72.16233.41791.11224.38292.07924.14224.02392.8789
H82.42301.92793.38451.03894.26482.87894.02394.0074
H92.42303.38451.92794.26481.03894.02392.87894.0074

picture of allenediol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O4 126.251 C1 C2 H6 124.586
C1 C3 O5 126.251 C1 C3 H7 124.586
C2 C1 C3 178.495 C2 O4 H8 101.565
C3 O5 H9 101.565 O4 C2 H6 109.163
O5 C3 H7 109.163
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.131      
2 C -0.040      
3 C -0.040      
4 O -0.181      
5 O -0.181      
6 H 0.089      
7 H 0.089      
8 H 0.197      
9 H 0.197      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -0.985 0.985
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.824 -0.812 0.000
y -0.812 -30.778 0.000
z 0.000 0.000 -24.822
Traceless
 xyz
x 3.976 -0.812 0.000
y -0.812 -6.456 0.000
z 0.000 0.000 2.480
Polar
3z2-r24.959
x2-y26.954
xy-0.812
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.372 0.909 0.000
y 0.909 7.429 0.000
z 0.000 0.000 2.163


<r2> (average value of r2) Å2
<r2> 149.542
(<r2>)1/2 12.229