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All results from a given calculation for HOCH2COOH (Hydroxyacetic acid)

using model chemistry: MP2/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A
Energy calculated at MP2/6-31G(2df,p)
 hartrees
Energy at 0K-303.661754
Energy at 298.15K-303.667405
HF Energy-302.693741
Nuclear repulsion energy180.405973
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 MP2/6-31G(2df,p)
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' 3792 3581 41.91      
2 A' 3789 3579 124.20      
3 A' 3086 2915 21.71      
4 A' 1843 1741 219.57      
5 A' 1527 1442 5.85      
6 A' 1505 1422 9.94      
7 A' 1387 1310 151.89      
8 A' 1318 1245 16.88      
9 A' 1194 1128 106.19      
10 A' 1146 1082 234.38      
11 A' 882 833 34.00      
12 A' 656 619 18.45      
13 A' 477 451 26.49      
14 A' 289 273 7.96      
15 A" 3129 2955 13.05      
16 A" 1268 1198 0.24      
17 A" 1055 997 0.86      
18 A" 671 634 120.01      
19 A" 517 488 6.36      
20 A" 326 308 68.79      
21 A" 82 77 11.56      

Unscaled Zero Point Vibrational Energy (zpe) 14968.9 cm-1
Scaled (by 0.9445) Zero Point Vibrational Energy (zpe) 14138.2 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 MP2/6-31G(2df,p)
ABC
0.35653 0.13699 0.10082

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.600 -0.863 0.000
C2 0.000 0.521 0.000
O3 -0.936 1.481 0.000
O4 1.193 0.726 0.000
O5 0.407 -1.835 0.000
H6 -1.244 -0.954 0.882
H7 -1.244 -0.954 -0.882
H8 1.235 -1.338 0.000
H9 -0.456 2.322 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 O5 H6 H7 H8 H9
C11.50882.36872.39591.39911.09571.09571.89553.1891
C21.50881.34091.21032.39062.12172.12172.23141.8583
O32.36871.34092.25863.57762.60872.60873.55790.9683
O42.39591.21032.25862.67863.08863.08862.06382.2949
O51.39912.39063.57762.67862.06862.06860.96624.2458
H61.09572.12172.60873.08862.06861.76342.65933.4837
H71.09572.12172.60873.08862.06861.76342.65933.4837
H81.89552.23143.55792.06380.96622.65932.65934.0317
H93.18911.85830.96832.29494.24583.48373.48374.0317

picture of Hydroxyacetic acid state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 112.315 C1 C2 O4 123.187
C1 O5 H8 105.049 C2 C1 O5 110.535
C2 C1 H6 108.052 C2 C1 H7 108.052
C2 O3 H9 106.041 O3 C2 O4 124.498
O5 C1 H6 111.442 O5 C1 H7 111.442
H6 C1 H7 107.156
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability