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All results from a given calculation for HOCHCCHOH (allenediol)

using model chemistry: QCISD/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 QCISD/6-31G
 hartrees
Energy at 0K-265.994978
Energy at 298.15K-265.998879
HF Energy-265.448892
Nuclear repulsion energy149.049953
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 QCISD/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 3613 3481 10.14      
2 A 3205 3089 7.22      
3 A 1479 1425 17.01      
4 A 1308 1261 1.45      
5 A 1220 1176 22.04      
6 A 950 915 41.09      
7 A 905 873 76.11      
8 A 511 492 42.66      
9 A 452 435 142.08      
10 A 327 315 27.68      
11 A 108 105 0.54      
12 B 3612 3481 23.34      
13 B 3207 3090 12.27      
14 B 2036 1961 176.14      
15 B 1408 1357 58.19      
16 B 1293 1246 17.56      
17 B 1019 981 398.11      
18 B 867 835 13.06      
19 B 608 586 45.15      
20 B 428 413 177.58      
21 B 138 133 2.71      

Unscaled Zero Point Vibrational Energy (zpe) 14346.2 cm-1
Scaled (by 0.9636) Zero Point Vibrational Energy (zpe) 13824.0 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 QCISD/6-31G
ABC
0.70892 0.07286 0.07086

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.379
C2 0.000 1.329 0.380
C3 0.000 -1.329 0.380
O4 0.815 2.165 -0.430
O5 -0.815 -2.165 -0.430
H6 -0.633 1.947 1.015
H7 0.633 -1.947 1.015
H8 1.414 1.630 -0.993
H9 -1.414 -1.630 -0.993

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 H6 H7 H8 H9
C11.32911.32912.45012.45012.14432.14432.55722.5572
C21.32912.65811.42043.67781.08923.39691.99403.5557
C31.32912.65813.67781.42043.39691.08923.55571.9940
O42.45011.42043.67784.62592.05674.36230.98114.4371
O52.45013.67781.42044.62594.36232.05674.43710.9811
H62.14431.08923.39692.05674.36234.09552.88514.1762
H72.14433.39691.08924.36232.05674.09554.17622.8851
H82.55721.99403.55570.98114.43712.88514.17624.3167
H92.55723.55571.99404.43710.98114.17622.88514.3167

picture of allenediol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O4 125.997 C1 C2 H6 124.637
C1 C3 O5 125.997 C1 C3 H7 124.637
C2 C1 C3 179.877 C2 O4 H8 110.934
C3 O5 H9 110.934 O4 C2 H6 109.366
O5 C3 H7 109.366
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability