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All results from a given calculation for HOCHCCHOH (allenediol)

using model chemistry: MP2/CEP-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/CEP-31G*
 hartrees
Energy at 0K-50.778055
Energy at 298.15K-50.781906
HF Energy-50.075521
Nuclear repulsion energy80.789654
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/CEP-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 3759 3569 34.93      
2 A 3237 3074 8.88      
3 A 1505 1429 31.73      
4 A 1298 1233 0.92      
5 A 1213 1152 33.42      
6 A 951 903 98.97      
7 A 907 862 22.36      
8 A 524 497 130.19      
9 A 465 442 17.17      
10 A 317 301 9.49      
11 A 95 90 0.07      
12 B 3759 3569 46.80      
13 B 3238 3074 11.08      
14 B 2030 1927 371.05      
15 B 1402 1331 93.97      
16 B 1254 1191 1.42      
17 B 1115 1059 589.47      
18 B 827 785 30.14      
19 B 591 561 45.38      
20 B 503 478 142.71      
21 B 97 92 0.10      

Unscaled Zero Point Vibrational Energy (zpe) 14544.3 cm-1
Scaled (by 0.9494) Zero Point Vibrational Energy (zpe) 13808.3 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/CEP-31G*
ABC
0.81098 0.07085 0.06952

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.260
C2 0.000 1.349 0.365
C3 0.000 -1.349 0.365
O4 0.784 2.216 -0.383
O5 -0.784 -2.216 -0.383
H6 -0.656 1.907 1.041
H7 0.656 -1.907 1.041
H8 1.360 1.659 -0.947
H9 -1.360 -1.659 -0.947

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 H6 H7 H8 H9
C11.35341.35342.43682.43682.16252.16252.46102.4610
C21.35342.69871.38713.72631.09493.38961.91433.5523
C31.35342.69873.72631.38713.38961.09493.55231.9143
O42.43681.38713.72634.70132.04854.36360.98004.4642
O52.43683.72631.38714.70134.36362.04854.46420.9800
H62.16251.09493.38962.04854.36364.03262.84204.1427
H72.16253.38961.09494.36362.04854.03264.14272.8420
H82.46101.91433.55230.98004.46422.84204.14274.2898
H92.46103.55231.91434.46420.98004.14272.84204.2898

picture of allenediol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O4 125.536 C1 C2 H6 123.738
C1 C3 O5 125.536 C1 C3 H7 123.738
C2 C1 C3 171.100 C2 O4 H8 106.674
C3 O5 H9 106.674 O4 C2 H6 110.698
O5 C3 H7 110.698
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability