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=FULL/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 MP2=FULL/6-31G
 hartrees
Energy at 0K-265.969309
Energy at 298.15K-265.973260
HF Energy-265.449116
Nuclear repulsion energy149.196206
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=FULL/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 3608 3428 15.17      
2 A 3248 3086 6.91      
3 A 1474 1401 15.68      
4 A 1303 1238 0.95      
5 A 1226 1164 28.34      
6 A 976 927 42.31      
7 A 906 861 85.24      
8 A 514 489 65.18      
9 A 479 455 122.72      
10 A 335 318 20.25      
11 A 103 98 0.35      
12 B 3607 3427 31.27      
13 B 3250 3088 14.21      
14 B 2023 1922 234.52      
15 B 1414 1343 47.84      
16 B 1292 1227 18.27      
17 B 1012 962 464.38      
18 B 893 848 15.58      
19 B 610 580 44.90      
20 B 461 438 173.89      
21 B 129 123 2.29      

Unscaled Zero Point Vibrational Energy (zpe) 14429.8 cm-1
Scaled (by 0.9501) Zero Point Vibrational Energy (zpe) 13709.8 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=FULL/6-31G
ABC
0.70922 0.07303 0.07099

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.385
C2 0.000 1.327 0.379
C3 0.000 -1.327 0.379
O4 0.812 2.163 -0.430
O5 -0.812 -2.163 -0.430
H6 -0.629 1.949 1.009
H7 0.629 -1.949 1.009
H8 1.409 1.623 -0.995
H9 -1.409 -1.623 -0.995

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 H6 H7 H8 H9
C11.32711.32712.45012.45012.14152.14152.55382.5538
C21.32712.65421.41933.67391.08613.39531.99023.5464
C31.32712.65423.67391.41933.39531.08613.54641.9902
O42.45011.41933.67394.62132.04824.36110.98294.4258
O52.45013.67391.41934.62134.36112.04824.42580.9829
H62.14151.08613.39532.04824.36114.09692.87664.1698
H72.14153.39531.08614.36112.04824.09694.16982.8766
H82.55381.99023.54640.98294.42582.87664.16984.2984
H92.55383.54641.99024.42580.98294.16982.87664.2984

picture of allenediol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O4 126.247 C1 C2 H6 124.801
C1 C3 O5 126.247 C1 C3 H7 124.801
C2 C1 C3 179.550 C2 O4 H8 110.570
C3 O5 H9 110.570 O4 C2 H6 108.951
O5 C3 H7 108.951
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability