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: CCSD/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A
Energy calculated at CCSD/cc-pVTZ
 hartrees
Energy at 0K-303.830583
Energy at 298.15K 
HF Energy-302.784700
Nuclear repulsion energy180.556415
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 CCSD/cc-pVTZ
Rotational Constants (cm-1) from geometry optimized at CCSD/cc-pVTZ
See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.595 -0.865 0.000
C2 0.000 0.521 0.000
O3 -0.935 1.480 0.000
O4 1.184 0.736 0.000
O5 0.408 -1.840 0.000
H6 -1.235 -0.957 0.881
H7 -1.235 -0.957 -0.881
H8 1.244 -1.362 0.000
H9 -0.468 2.324 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 O5 H6 H7 H8 H9
C11.50832.36932.39351.39931.09251.09251.90483.1915
C21.50831.33901.20362.39642.11762.11762.25671.8629
O32.36931.33902.24553.58152.60842.60843.58080.9644
O42.39351.20362.24552.69083.08103.08102.09902.2918
O51.39932.39643.58152.69082.06302.06300.96284.2557
H61.09252.11762.60843.08102.06301.76182.66143.4825
H71.09252.11762.60843.08102.06301.76182.66143.4825
H81.90482.25673.58082.09900.96282.66142.66144.0643
H93.19151.86290.96442.29184.25573.48253.48254.0643

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 112.500 C1 C2 O4 123.530
C1 O5 H8 106.015 C2 C1 O5 110.960
C2 C1 H6 107.955 C2 C1 H7 107.955
C2 O3 H9 106.818 O3 C2 O4 123.970
O5 C1 H6 111.170 O5 C1 H7 111.170
H6 C1 H7 107.473
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability