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: MP2/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at MP2/cc-pVTZ
 hartrees
Energy at 0K-266.624679
Energy at 298.15K-266.628822
HF Energy-265.675490
Nuclear repulsion energy152.529404
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 MP2/cc-pVTZ
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 3811 3618 43.35      
2 A 3217 3055 5.30      
3 A 1513 1436 30.66      
4 A 1312 1246 0.59      
5 A 1229 1167 30.14      
6 A 952 904 95.63      
7 A 939 891 0.16      
8 A 539 512 97.45      
9 A 506 480 7.29      
10 A 339 322 16.05      
11 A 122 116 0.01      
12 B 3810 3618 54.97      
13 B 3217 3055 7.91      
14 B 2033 1930 361.29      
15 B 1408 1337 65.19      
16 B 1279 1215 1.63      
17 B 1119 1063 523.11      
18 B 876 832 13.91      
19 B 630 598 49.37      
20 B 497 472 91.83      
21 B 148 141 0.52      

Unscaled Zero Point Vibrational Energy (zpe) 14747.8 cm-1
Scaled (by 0.9495) Zero Point Vibrational Energy (zpe) 14003.0 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 MP2/cc-pVTZ
ABC
0.79284 0.07509 0.07338

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/cc-pVTZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.322
C2 0.000 1.313 0.358
C3 0.000 -1.313 0.358
O4 0.778 2.145 -0.398
O5 -0.778 -2.145 -0.398
H6 -0.646 1.881 1.013
H7 0.646 -1.881 1.013
H8 1.343 1.585 -0.945
H9 -1.343 -1.585 -0.945

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 H6 H7 H8 H9
C11.31301.31302.39222.39222.10582.10582.43342.4334
C21.31302.62501.36693.62321.08183.32381.89063.4492
C31.31302.62503.62321.36693.32381.08183.44921.8906
O42.39221.36693.62324.56252.02174.26790.96504.3252
O52.39223.62321.36694.56254.26792.02174.32520.9650
H62.10581.08183.32382.02174.26793.97882.80654.0416
H72.10583.32381.08184.26792.02173.97884.04162.8065
H82.43341.89063.44920.96504.32522.80654.04164.1550
H92.43343.44921.89064.32520.96504.04162.80654.1550

picture of allenediol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O4 126.406 C1 C2 H6 122.827
C1 C3 O5 126.406 C1 C3 H7 122.827
C2 C1 C3 176.893 C2 O4 H8 107.082
C3 O5 H9 107.082 O4 C2 H6 110.766
O5 C3 H7 110.766
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability