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/aug-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 MP2/aug-cc-pVDZ
 hartrees
Energy at 0K-266.417080
Energy at 298.15K-266.421083
HF Energy-265.612654
Nuclear repulsion energy150.881696
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/aug-cc-pVDZ
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 3774 3619 41.43      
2 A 3226 3093 3.67      
3 A 1493 1432 30.80      
4 A 1289 1236 0.40      
5 A 1216 1166 26.74      
6 A 942 903 95.70      
7 A 926 888 2.34      
8 A 515 494 93.98      
9 A 488 468 3.01      
10 A 331 317 15.06      
11 A 109 105 0.01      
12 B 3774 3619 52.48      
13 B 3227 3095 6.41      
14 B 2017 1934 385.73      
15 B 1395 1338 69.82      
16 B 1256 1205 1.10      
17 B 1093 1049 542.15      
18 B 862 826 18.67      
19 B 615 590 44.09      
20 B 479 459 90.42      
21 B 124 119 0.12      

Unscaled Zero Point Vibrational Energy (zpe) 14575.4 cm-1
Scaled (by 0.959) Zero Point Vibrational Energy (zpe) 13977.8 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/aug-cc-pVDZ
ABC
0.79746 0.07300 0.07147

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.297
C2 0.000 1.327 0.361
C3 0.000 -1.327 0.361
O4 0.783 2.179 -0.392
O5 -0.783 -2.179 -0.392
H6 -0.655 1.894 1.028
H7 0.655 -1.894 1.028
H8 1.355 1.632 -0.953
H9 -1.355 -1.632 -0.953

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 H6 H7 H8 H9
C11.32901.32902.41532.41532.13332.13332.46162.4616
C21.32902.65481.37993.67061.09313.35421.91183.5097
C31.32902.65483.67061.37993.35421.09313.50971.9118
O42.41531.37993.67064.63042.04064.31510.97064.4051
O52.41533.67061.37994.63044.31512.04064.40510.9706
H62.13331.09313.35422.04064.31514.00782.83434.1041
H72.13333.35421.09314.31512.04064.00784.10412.8343
H82.46161.91183.50970.97064.40512.83434.10414.2418
H92.46163.50971.91184.40510.97064.10412.83434.2418

picture of allenediol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O4 126.150 C1 C2 H6 123.174
C1 C3 O5 126.150 C1 C3 H7 123.174
C2 C1 C3 174.447 C2 O4 H8 107.573
C3 O5 H9 107.573 O4 C2 H6 110.668
O5 C3 H7 110.668
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability