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

using model chemistry: MP2/SDD

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/SDD
 hartrees
Energy at 0K-303.110472
Energy at 298.15K 
HF Energy-302.569553
Nuclear repulsion energy173.773228
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/SDD
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' 3627 3501 31.39      
2 A' 3614 3488 58.83      
3 A' 3080 2974 25.37      
4 A' 1662 1605 178.11      
5 A' 1536 1482 19.52      
6 A' 1448 1398 8.59      
7 A' 1314 1268 80.83      
8 A' 1289 1244 47.02      
9 A' 1096 1058 179.58      
10 A' 1001 966 240.63      
11 A' 834 805 21.87      
12 A' 604 583 14.66      
13 A' 441 425 32.68      
14 A' 258 249 8.42      
15 A" 3146 3036 17.70      
16 A" 1224 1181 1.13      
17 A" 1069 1032 0.36      
18 A" 628 606 216.08      
19 A" 501 483 11.82      
20 A" 216 208 98.14      
21 A" 84i 81i 70.88      

Unscaled Zero Point Vibrational Energy (zpe) 14249.8 cm-1
Scaled (by 0.9653) Zero Point Vibrational Energy (zpe) 13755.4 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/SDD
ABC
0.33026 0.12667 0.09320

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/SDD

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.604 -0.881 0.000
C2 0.000 0.531 0.000
O3 -1.004 1.510 0.000
O4 1.229 0.796 0.000
O5 0.447 -1.910 0.000
H6 -1.230 -1.004 0.898
H7 -1.230 -1.004 -0.898
H8 1.340 -1.488 0.000
H9 -0.626 2.424 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 O5 H6 H7 H8 H9
C11.53602.42362.48431.47111.10121.10122.03723.3048
C21.53601.40211.25702.48172.16242.16242.42381.9936
O32.42361.40212.34473.71472.67872.67873.80590.9895
O42.48431.25702.34472.81633.17663.17662.28692.4684
O51.47112.48173.71472.81632.10662.10660.98764.4647
H61.10122.16242.67873.17662.10661.79592.76493.5947
H71.10122.16242.67873.17662.10661.79592.76493.5947
H82.03722.42383.80592.28690.98762.76492.76494.3787
H93.30481.99360.98952.46844.46473.59473.59474.3787

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 111.074 C1 C2 O4 125.316
C1 O5 H8 110.355 C2 C1 O5 111.216
C2 C1 H6 109.049 C2 C1 H7 109.049
C2 O3 H9 111.775 O3 C2 O4 123.610
O5 C1 H6 109.121 O5 C1 H7 109.121
H6 C1 H7 109.260
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability