return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: MP2=FULL/cc-pVDZ

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=FULL/cc-pVDZ
 hartrees
Energy at 0K-303.520110
Energy at 298.15K-303.525727
HF Energy-302.687207
Nuclear repulsion energy179.628837
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=FULL/cc-pVDZ
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' 3771 3584 46.84      
2 A' 3769 3582 119.62      
3 A' 3077 2924 30.33      
4 A' 1845 1754 231.12      
5 A' 1508 1433 3.08      
6 A' 1500 1426 12.12      
7 A' 1384 1315 149.06      
8 A' 1309 1244 14.01      
9 A' 1201 1142 127.78      
10 A' 1147 1090 220.75      
11 A' 884 840 32.17      
12 A' 657 625 19.01      
13 A' 478 455 26.39      
14 A' 282 268 9.33      
15 A" 3122 2967 23.89      
16 A" 1259 1197 0.27      
17 A" 1051 999 0.67      
18 A" 666 633 124.74      
19 A" 514 489 6.93      
20 A" 315 299 66.51      
21 A" 72 68 13.48      

Unscaled Zero Point Vibrational Energy (zpe) 14906.2 cm-1
Scaled (by 0.9504) Zero Point Vibrational Energy (zpe) 14166.8 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=FULL/cc-pVDZ
ABC
0.35380 0.13575 0.09995

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.603 -0.867 0.000
C2 0.000 0.522 0.000
O3 -0.936 1.491 0.000
O4 1.199 0.727 0.000
O5 0.403 -1.845 0.000
H6 -1.255 -0.952 0.888
H7 -1.255 -0.952 -0.888
H8 1.231 -1.336 0.000
H9 -0.440 2.330 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 O5 H6 H7 H8 H9
C11.51392.38102.40541.40321.10521.10521.89283.2004
C21.51391.34691.21682.40132.12992.12992.22931.8603
O32.38101.34692.26793.59462.61872.61873.56210.9740
O42.40541.21682.26792.69213.10333.10332.06322.2933
O51.40322.40133.59462.69212.08242.08240.97164.2590
H61.10522.12992.61873.10332.08241.77572.66793.4957
H71.10522.12992.61873.10332.08241.77572.66793.4957
H81.89282.22933.56212.06320.97162.66792.66794.0291
H93.20041.86030.97402.29334.25903.49573.49574.0291

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 112.538 C1 C2 O4 123.128
C1 O5 H8 104.226 C2 C1 O5 110.750
C2 C1 H6 107.802 C2 C1 H7 107.802
C2 O3 H9 105.430 O3 C2 O4 124.333
O5 C1 H6 111.688 O5 C1 H7 111.688
H6 C1 H7 106.904
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability