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: CBS-Q

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at CBS-Q
 hartrees
Energy at 0K-266.712686
Energy at 298.15K-266.706249
HF Energy-265.557189
Nuclear repulsion energy154.055569
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 CBS-Q
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A 4097 4097 46.19      
2 A 3377 3377 11.17      
3 A 1681 1681 40.34      
4 A 1402 1402 0.09      
5 A 1332 1332 31.34      
6 A 1064 1064 34.34      
7 A 1047 1047 72.39      
8 A 595 595 94.80      
9 A 537 537 75.96      
10 A 369 369 33.82      
11 A 151 151 0.12      
12 B 4096 4096 57.05      
13 B 3377 3377 20.24      
14 B 2239 2239 421.40      
15 B 1528 1528 136.05      
16 B 1375 1375 2.84      
17 B 1226 1226 646.75      
18 B 983 983 3.89      
19 B 699 699 61.58      
20 B 508 508 160.52      
21 B 190 190 2.17      

Unscaled Zero Point Vibrational Energy (zpe) 15935.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 15935.2 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 CBS-Q
ABC
0.79049 0.07426 0.07259

See section I.F.4 to change rotational constant units
Geometric Data calculated at CBS-Q

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.332
C2 0.000 1.295 0.358
C3 0.000 -1.295 0.358
O4 0.765 2.113 -0.400
O5 -0.765 -2.113 -0.400
H6 -0.643 1.866 1.002
H7 0.643 -1.866 1.002
H8 1.340 1.597 -0.944
H9 -1.340 -1.597 -0.944

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 H6 H7 H8 H9
C11.29501.29502.36372.36372.08472.08472.44412.4441
C21.29502.58961.35253.57391.07523.28971.89193.4427
C31.29502.58963.57391.35253.28971.07523.44271.8919
O42.36371.35253.57394.49472.00284.22100.94414.3003
O52.36373.57391.35254.49474.22102.00284.30030.9441
H62.08471.07523.28972.00284.22103.94822.79114.0333
H72.08473.28971.07524.22102.00283.94824.03332.7911
H82.44411.89193.44270.94414.30032.79114.03334.1694
H92.44413.44271.89194.30030.94414.03332.79114.1694

picture of allenediol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O4 126.436 C1 C2 H6 122.906
C1 C3 O5 126.436 C1 C3 H7 122.906
C2 C1 C3 177.751 C2 O4 H8 109.646
C3 O5 H9 109.646 O4 C2 H6 110.654
O5 C3 H7 110.654
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability