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: CCD/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 CCD/cc-pVDZ
 hartrees
Energy at 0K-303.526709
Energy at 298.15K-303.532310
HF Energy-302.688628
Nuclear repulsion energy179.776644
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 CCD/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' 3828 3662 48.64      
2 A' 3825 3659 102.16      
3 A' 3061 2928 29.62      
4 A' 1908 1825 280.71      
5 A' 1525 1459 5.33      
6 A' 1509 1444 6.38      
7 A' 1403 1343 143.35      
8 A' 1326 1269 26.60      
9 A' 1230 1177 165.37      
10 A' 1164 1113 181.79      
11 A' 891 853 32.14      
12 A' 667 639 23.00      
13 A' 482 461 24.85      
14 A' 285 273 8.59      
15 A" 3099 2964 26.59      
16 A" 1264 1209 0.06      
17 A" 1060 1014 0.98      
18 A" 663 635 128.30      
19 A" 517 494 9.78      
20 A" 294 281 67.48      
21 A" 64 62 16.13      

Unscaled Zero Point Vibrational Energy (zpe) 15032.1 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 14381.2 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 CCD/cc-pVDZ
ABC
0.35641 0.13526 0.09991

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.596 -0.871 0.000
C2 0.000 0.525 0.000
O3 -0.939 1.486 0.000
O4 1.189 0.739 0.000
O5 0.412 -1.847 0.000
H6 -1.248 -0.961 0.890
H7 -1.248 -0.961 -0.890
H8 1.243 -1.351 0.000
H9 -0.461 2.330 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 O5 H6 H7 H8 H9
C11.51832.38212.40331.40231.10751.10751.90063.2046
C21.51831.34361.20772.40742.13502.13502.25051.8633
O32.38211.34362.25543.59612.62162.62163.57910.9705
O42.40331.20772.25542.69963.10153.10152.08992.2928
O51.40232.40743.59612.69962.08182.08180.96854.2675
H61.10752.13502.62163.10152.08181.78042.67473.4989
H71.10752.13502.62163.10152.08181.78042.67473.4989
H81.90062.25053.57912.08990.96852.67472.67474.0567
H93.20461.86330.97052.29284.26753.49893.49894.0567

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 112.540 C1 C2 O4 123.280
C1 O5 H8 105.106 C2 C1 O5 110.974
C2 C1 H6 107.777 C2 C1 H7 107.777
C2 O3 H9 106.135 O3 C2 O4 124.180
O5 C1 H6 111.555 O5 C1 H7 111.555
H6 C1 H7 106.998
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability