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

using model chemistry: HSEh1PBE/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A
Energy calculated at HSEh1PBE/3-21G
 hartrees
Energy at 0K-302.298366
Energy at 298.15K-302.304096
HF Energy-302.298366
Nuclear repulsion energy178.574901
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 HSEh1PBE/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 3534 3404 34.58      
2 A 3439 3313 41.46      
3 A 3070 2958 22.02      
4 A 3046 2935 19.75      
5 A 1793 1727 165.35      
6 A 1552 1495 14.69      
7 A 1498 1443 49.19      
8 A 1399 1348 116.66      
9 A 1329 1280 37.70      
10 A 1242 1196 2.67      
11 A 1146 1104 184.85      
12 A 1075 1036 2.40      
13 A 1072 1033 145.67      
14 A 857 826 45.13      
15 A 673 648 179.46      
16 A 647 623 17.51      
17 A 526 506 8.25      
18 A 470 453 33.49      
19 A 391 377 97.27      
20 A 276 266 10.14      
21 A 108 104 11.81      

Unscaled Zero Point Vibrational Energy (zpe) 14570.8 cm-1
Scaled (by 0.9633) Zero Point Vibrational Energy (zpe) 14036.1 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 HSEh1PBE/3-21G
ABC
0.34974 0.13541 0.09943

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/3-21G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.719 -0.781 0.001
C2 0.505 0.097 0.000
O3 1.659 -0.617 -0.001
O4 0.448 1.323 0.000
O5 -1.890 0.042 -0.001
H6 -0.671 -1.433 -0.882
H7 -0.671 -1.430 0.887
H8 -1.545 0.979 0.001
H9 2.436 0.003 -0.001

Atom - Atom Distances (Å)
  C1 C2 O3 O4 O5 H6 H7 H8 H9
C11.50702.38322.40651.43151.09901.09911.94403.2505
C21.50701.35681.22732.39622.12252.12162.23131.9326
O32.38321.35682.28743.60952.62082.62183.57880.9940
O42.40651.22732.28742.66633.10333.10102.02212.3865
O51.43152.39623.60952.66632.10692.10750.99874.3259
H61.09902.12252.62083.10332.10691.76942.71323.5337
H71.09912.12162.62183.10102.10751.76942.71113.5341
H81.94402.23133.57882.02210.99872.71322.71114.0981
H93.25051.93260.99402.38654.32593.53373.53414.0981

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 112.546 C1 C2 O4 122.984
C1 O5 H8 104.848 C2 C1 O5 109.238
C2 C1 H6 108.054 C2 C1 H7 107.981
C2 O3 H9 109.624 O3 C2 O4 124.470
O5 C1 H6 112.067 O5 C1 H7 112.115
H6 C1 H7 107.222
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability