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All results from a given calculation for HOCHCCHOH (allenediol)

using model chemistry: MP4/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at MP4/3-21G
 hartrees
Energy at 0K-264.635558
Energy at 298.15K-264.639565
HF Energy-264.083101
Nuclear repulsion energy149.196128
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 MP4/3-21G
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 3454 3350        
2 A 3168 3072        
3 A 1476 1431        
4 A 1328 1288        
5 A 1218 1181        
6 A 963 934        
7 A 882 855        
8 A 532 516        
9 A 499 484        
10 A 335 325        
11 A 103 100        
12 B 3454 3350        
13 B 3169 3074        
14 B 1997 1937        
15 B 1420 1377        
16 B 1317 1277        
17 B 1005 975        
18 B 889 862        
19 B 611 593        
20 B 487 472        
21 B 131 127        

Unscaled Zero Point Vibrational Energy (zpe) 14218.5 cm-1
Scaled (by 0.9698) Zero Point Vibrational Energy (zpe) 13789.1 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 MP4/3-21G
ABC
0.69768 0.07342 0.07120

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/3-21G

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.413
C2 0.000 1.322 0.377
C3 0.000 -1.322 0.377
O4 0.805 2.162 -0.439
O5 -0.805 -2.162 -0.439
H6 -0.634 1.946 1.005
H7 0.634 -1.946 1.005
H8 1.396 1.579 -0.994
H9 -1.396 -1.579 -0.994

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 H6 H7 H8 H9
C11.32251.32252.45952.45952.13052.13052.53412.5341
C21.32252.64401.42163.66791.08863.38761.97333.4995
C31.32252.64403.66791.42163.38761.08863.49951.9733
O42.45951.42163.66794.61402.05034.35780.99764.3760
O52.45953.66791.42164.61404.35782.05034.37600.9976
H62.13051.08863.38762.05034.35784.09362.87194.1234
H72.13053.38761.08864.35782.05034.09364.12342.8719
H82.53411.97333.49950.99764.37602.87194.12344.2157
H92.53413.49951.97334.37600.99764.12342.87194.2157

picture of allenediol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O4 127.312 C1 C2 H6 123.878
C1 C3 O5 127.312 C1 C3 H7 123.878
C2 C1 C3 176.898 C2 O4 H8 108.030
C3 O5 H9 108.030 O4 C2 H6 108.805
O5 C3 H7 108.805
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability