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All results from a given calculation for HOCHCCHOH (allenediol)

using model chemistry: MP2/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at MP2/3-21G
 hartrees
Energy at 0K-264.589790
Energy at 298.15K-264.593864
HF Energy-264.085069
Nuclear repulsion energy149.792430
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 MP2/3-21G
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 3504 3344 7.39      
2 A 3223 3076 8.05      
3 A 1494 1426 15.67      
4 A 1342 1280 0.96      
5 A 1239 1183 29.56      
6 A 997 952 32.97      
7 A 900 859 81.94      
8 A 546 521 94.03      
9 A 510 487 83.99      
10 A 344 328 14.48      
11 A 102 97 0.00      
12 B 3503 3344 20.26      
13 B 3224 3077 19.07      
14 B 2028 1936 228.48      
15 B 1437 1371 51.83      
16 B 1331 1270 15.62      
17 B 1023 976 410.05      
18 B 919 878 11.55      
19 B 625 596 53.55      
20 B 499 476 153.12      
21 B 128 123 1.56      

Unscaled Zero Point Vibrational Energy (zpe) 14458.4 cm-1
Scaled (by 0.9545) Zero Point Vibrational Energy (zpe) 13800.5 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 MP2/3-21G
ABC
0.70661 0.07392 0.07169

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/3-21G

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.410
C2 0.000 1.317 0.375
C3 0.000 -1.317 0.375
O4 0.799 2.156 -0.436
O5 -0.799 -2.156 -0.436
H6 -0.632 1.936 1.001
H7 0.632 -1.936 1.001
H8 1.391 1.581 -0.993
H9 -1.391 -1.581 -0.993

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 H6 H7 H8 H9
C11.31711.31712.45022.45022.12082.12082.53032.5303
C21.31712.63331.41453.65461.08463.37231.96813.4932
C31.31712.63333.65461.41453.37231.08463.49321.9681
O42.45021.41453.65464.59902.04084.34040.99494.3675
O52.45023.65461.41454.59904.34042.04084.36750.9949
H62.12081.08463.37232.04084.34044.07342.86274.1138
H72.12083.37231.08464.34042.04084.07344.11382.8627
H82.53031.96813.49320.99494.36752.86274.11384.2116
H92.53033.49321.96814.36750.99494.11382.86274.2116

picture of allenediol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O4 127.490 C1 C2 H6 123.730
C1 C3 O5 127.490 C1 C3 H7 123.730
C2 C1 C3 176.922 C2 O4 H8 108.287
C3 O5 H9 108.287 O4 C2 H6 108.775
O5 C3 H7 108.775
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability