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

using model chemistry: MP2/CEP-121G*

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/CEP-121G*
 hartrees
Energy at 0K-61.212875
Energy at 298.15K 
HF Energy-60.408410
Nuclear repulsion energy99.618659
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/CEP-121G*
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' 3726 3550 59.36      
2 A' 3707 3532 76.08      
3 A' 3086 2940 27.10      
4 A' 1787 1703 261.48      
5 A' 1536 1463 8.15      
6 A' 1498 1427 8.57      
7 A' 1361 1296 121.61      
8 A' 1308 1246 35.84      
9 A' 1189 1133 160.56      
10 A' 1115 1062 234.13      
11 A' 866 825 27.58      
12 A' 639 609 18.99      
13 A' 466 444 27.84      
14 A' 277 264 7.58      
15 A" 3139 2991 17.79      
16 A" 1245 1187 0.87      
17 A" 1056 1006 0.20      
18 A" 647 616 149.90      
19 A" 495 472 5.96      
20 A" 245 233 71.41      
21 A" 106i 101i 43.96      

Unscaled Zero Point Vibrational Energy (zpe) 14640.7 cm-1
Scaled (by 0.9528) Zero Point Vibrational Energy (zpe) 13949.7 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/CEP-121G*
ABC
0.34708 0.13262 0.09772

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-121G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.605 -0.874 0.000
C2 0.000 0.527 0.000
O3 -0.955 1.498 0.000
O4 1.206 0.752 0.000
O5 0.414 -1.867 0.000
H6 -1.240 -0.974 0.889
H7 -1.240 -0.974 -0.889
H8 1.265 -1.388 0.000
H9 -0.474 2.352 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 O5 H6 H7 H8 H9
C11.52542.39702.43431.42341.09691.09691.93943.2280
C21.52541.36201.22722.42932.14012.14012.29451.8856
O32.39701.36202.28603.63282.64232.64233.64050.9802
O42.43431.22722.28602.73693.12353.12352.14122.3194
O51.42342.42933.63282.73692.07942.07940.97664.3113
H61.09692.14012.64233.12352.07941.77742.69003.5269
H71.09692.14012.64233.12352.07941.77742.69003.5269
H81.93942.29453.64052.14120.97662.69002.69004.1239
H93.22801.88560.98022.31944.31133.52693.52694.1239

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 112.110 C1 C2 O4 123.987
C1 O5 H8 106.328 C2 C1 O5 110.896
C2 C1 H6 108.292 C2 C1 H7 108.292
C2 O3 H9 106.090 O3 C2 O4 123.903
O5 C1 H6 110.520 O5 C1 H7 110.520
H6 C1 H7 108.231
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability