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: mPW1PW91/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at mPW1PW91/6-31G*
 hartrees
Energy at 0K-267.013300
Energy at 298.15K-267.017503
HF Energy-267.013300
Nuclear repulsion energy152.693875
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*
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 3787 3592 26.11      
2 A 3216 3050 10.54      
3 A 1559 1478 29.32      
4 A 1331 1263 0.71      
5 A 1249 1184 31.54      
6 A 975 924 83.04      
7 A 953 904 9.03      
8 A 558 529 133.02      
9 A 520 493 2.31      
10 A 340 322 17.08      
11 A 131 124 0.02      
12 B 3788 3592 33.87      
13 B 3215 3049 20.74      
14 B 2091 1983 368.96      
15 B 1428 1354 93.66      
16 B 1295 1228 0.97      
17 B 1152 1092 553.52      
18 B 886 841 11.03      
19 B 637 604 53.55      
20 B 525 498 116.29      
21 B 162 153 1.42      

Unscaled Zero Point Vibrational Energy (zpe) 14897.9 cm-1
Scaled (by 0.9483) Zero Point Vibrational Energy (zpe) 14127.7 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*
ABC
0.79965 0.07517 0.07346

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G*

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.322
C2 0.000 1.310 0.355
C3 0.000 -1.310 0.355
O4 0.770 2.146 -0.395
O5 -0.770 -2.146 -0.395
H6 -0.648 1.887 1.010
H7 0.648 -1.887 1.010
H8 1.347 1.599 -0.947
H9 -1.347 -1.599 -0.947

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 H6 H7 H8 H9
C11.31091.31092.38972.38972.11092.11092.44602.4460
C21.31092.62101.36143.61941.08703.32801.89603.4606
C31.31092.62103.61941.36143.32801.08703.46061.8960
O42.38971.36143.61944.55892.01294.27260.96804.3366
O52.38973.61941.36144.55894.27262.01294.33660.9680
H62.11091.08703.32802.01294.27263.99132.80994.0589
H72.11093.32801.08704.27262.01293.99134.05892.8099
H82.44601.89603.46060.96804.33662.80994.05894.1813
H92.44603.46061.89604.33660.96804.05892.80994.1813

picture of allenediol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O4 126.818 C1 C2 H6 123.085
C1 C3 O5 126.818 C1 C3 H7 123.085
C2 C1 C3 177.104 C2 O4 H8 107.773
C3 O5 H9 107.773 O4 C2 H6 110.095
O5 C3 H7 110.095
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.069      
2 C -0.063      
3 C -0.063      
4 O -0.586      
5 O -0.586      
6 H 0.194      
7 H 0.194      
8 H 0.419      
9 H 0.419      


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 -0.719 0.719
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.340 -1.281 0.000
y -1.281 -35.204 0.000
z 0.000 0.000 -26.175
Traceless
 xyz
x 5.349 -1.281 0.000
y -1.281 -9.446 0.000
z 0.000 0.000 4.097
Polar
3z2-r28.194
x2-y29.864
xy-1.281
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.885 0.866 0.000
y 0.866 9.982 0.000
z 0.000 0.000 3.709


<r2> (average value of r2) Å2
<r2> 146.978
(<r2>)1/2 12.123