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/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-266.809810
Energy at 298.15K-266.813882
HF Energy-266.809810
Nuclear repulsion energy151.078469
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/cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A 3608 3587 14.71      
2 A 3084 3066 10.28      
3 A 1472 1463 25.46      
4 A 1273 1266 0.46      
5 A 1178 1171 25.35      
6 A 924 918 68.86      
7 A 890 884 17.08      
8 A 561 558 95.94      
9 A 490 487 5.62      
10 A 323 321 10.27      
11 A 120 119 0.06      
12 B 3610 3589 19.61      
13 B 3082 3064 20.43      
14 B 2006 1994 347.45      
15 B 1353 1345 72.92      
16 B 1225 1218 6.51      
17 B 1092 1086 478.95      
18 B 834 829 16.63      
19 B 595 592 52.30      
20 B 542 539 75.39      
21 B 144 143 0.69      

Unscaled Zero Point Vibrational Energy (zpe) 14201.9 cm-1
Scaled (by 0.9942) Zero Point Vibrational Energy (zpe) 14119.6 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 PBEPBE/cc-pVDZ
ABC
0.79184 0.07342 0.07180

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/cc-pVDZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.320
C2 0.000 1.325 0.357
C3 0.000 -1.325 0.357
O4 0.775 2.174 -0.396
O5 -0.775 -2.174 -0.396
H6 -0.658 1.911 1.022
H7 0.658 -1.911 1.022
H8 1.349 1.602 -0.951
H9 -1.349 -1.602 -0.951

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 H6 H7 H8 H9
C11.32551.32552.41652.41652.13992.13992.44992.4499
C21.32552.64991.37423.66181.10433.36901.89883.4782
C31.32552.64993.66181.37423.36901.10433.47821.8988
O42.41651.37423.66184.61592.03324.32600.98134.3680
O52.41653.66181.37424.61594.32602.03324.36800.9813
H62.13991.10433.36902.03324.32604.04292.83094.0887
H72.13993.36901.10434.32602.03324.04294.08872.8309
H82.44991.89883.47820.98134.36802.83094.08874.1890
H92.44993.47821.89884.36800.98134.08872.83094.1890

picture of allenediol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O4 127.036 C1 C2 H6 123.203
C1 C3 O5 127.036 C1 C3 H7 123.203
C2 C1 C3 176.832 C2 O4 H8 106.241
C3 O5 H9 106.241 O4 C2 H6 109.761
O5 C3 H7 109.761
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.091      
2 C -0.094      
3 C -0.094      
4 O -0.133      
5 O -0.133      
6 H 0.042      
7 H 0.042      
8 H 0.139      
9 H 0.139      


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 -0.834 0.834
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.845 -0.705 0.000
y -0.705 -33.908 0.000
z 0.000 0.000 -26.679
Traceless
 xyz
x 4.449 -0.705 0.000
y -0.705 -7.646 0.000
z 0.000 0.000 3.197
Polar
3z2-r26.395
x2-y28.064
xy-0.705
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.443 1.030 0.000
y 1.030 10.708 0.000
z 0.000 0.000 4.208


<r2> (average value of r2) Å2
<r2> 149.781
(<r2>)1/2 12.238