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

using model chemistry: CISD/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 CISD/3-21G*
 hartrees
Energy at 0K-301.444629
Energy at 298.15K-301.450266
HF Energy-300.961403
Nuclear repulsion energy177.908455
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 CISD/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' 3664 3424 44.30      
2 A' 3632 3393 30.46      
3 A' 3137 2931 13.90      
4 A' 1846 1725 182.26      
5 A' 1625 1518 11.13      
6 A' 1530 1429 35.34      
7 A' 1430 1337 96.77      
8 A' 1374 1284 44.39      
9 A' 1179 1102 223.56      
10 A' 1087 1015 139.44      
11 A' 866 810 39.28      
12 A' 664 621 24.05      
13 A' 478 447 30.84      
14 A' 283 265 8.03      
15 A" 3167 2959 20.17      
16 A" 1284 1200 1.02      
17 A" 1120 1046 1.52      
18 A" 667 623 199.51      
19 A" 533 498 18.46      
20 A" 317 296 100.25      
21 A" 79 74 25.22      

Unscaled Zero Point Vibrational Energy (zpe) 14979.7 cm-1
Scaled (by 0.9344) Zero Point Vibrational Energy (zpe) 13997.0 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 CISD/3-21G*
ABC
0.34789 0.13343 0.09821

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.616 -0.865 0.000
C2 0.000 0.520 0.000
O3 -0.951 1.497 0.000
O4 1.203 0.733 0.000
O5 0.429 -1.859 0.000
H6 -1.250 -0.958 0.884
H7 -1.250 -0.958 -0.884
H8 1.286 -1.373 0.000
H9 -0.531 2.387 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 O5 H6 H7 H8 H9
C11.51592.38552.42141.44291.09161.09161.96893.2532
C21.51591.36361.22172.41822.12792.12792.28901.9412
O32.38551.36362.28593.62942.62602.62603.63950.9844
O42.42141.22172.28592.70583.10773.10772.10832.3967
O51.44292.41823.62942.70582.10092.10090.98514.3541
H61.09162.12792.62603.10772.10091.76752.71753.5336
H71.09162.12792.62603.10772.10091.76752.71753.5336
H81.96892.28903.63952.10830.98512.71752.71754.1768
H93.25321.94120.98442.39674.35413.53363.53364.1768

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 111.768 C1 C2 O4 124.021
C1 O5 H8 106.849 C2 C1 O5 109.601
C2 C1 H6 108.288 C2 C1 H7 108.288
C2 O3 H9 110.487 O3 C2 O4 124.211
O5 C1 H6 111.223 O5 C1 H7 111.223
H6 C1 H7 108.119
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability