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

using model chemistry: MP2/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/cc-pVDZ
 hartrees
Energy at 0K-303.508395
Energy at 298.15K-303.514004
HF Energy-302.686965
Nuclear repulsion energy179.503181
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/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' 3768 3589 47.57      
2 A' 3766 3587 118.12      
3 A' 3071 2925 30.46      
4 A' 1843 1755 230.59      
5 A' 1506 1434 3.27      
6 A' 1498 1427 11.87      
7 A' 1382 1317 148.60      
8 A' 1307 1245 14.18      
9 A' 1200 1143 128.40      
10 A' 1145 1091 220.06      
11 A' 882 840 31.97      
12 A' 656 625 19.00      
13 A' 477 455 26.34      
14 A' 282 268 9.27      
15 A" 3116 2968 24.23      
16 A" 1257 1197 0.27      
17 A" 1050 1000 0.64      
18 A" 666 634 124.77      
19 A" 514 489 6.83      
20 A" 313 298 66.24      
21 A" 70 67 13.63      

Unscaled Zero Point Vibrational Energy (zpe) 14884.4 cm-1
Scaled (by 0.9525) Zero Point Vibrational Energy (zpe) 14177.4 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/cc-pVDZ
ABC
0.35331 0.13554 0.09981

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.603 -0.868 0.000
C2 0.000 0.523 0.000
O3 -0.937 1.492 0.000
O4 1.200 0.728 0.000
O5 0.404 -1.846 0.000
H6 -1.256 -0.953 0.889
H7 -1.256 -0.953 -0.889
H8 1.232 -1.337 0.000
H9 -0.441 2.331 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 O5 H6 H7 H8 H9
C11.51542.38292.40731.40421.10621.10621.89383.2024
C21.51541.34781.21732.40322.13202.13202.23051.8611
O32.38291.34782.26923.59722.62102.62103.56420.9745
O42.40731.21732.26922.69423.10593.10592.06472.2940
O51.40422.40323.59722.69422.08392.08390.97214.2616
H61.10622.13202.62103.10592.08391.77752.66953.4983
H71.10622.13202.62103.10592.08391.77752.66953.4983
H81.89382.23053.56422.06470.97212.66952.66954.0311
H93.20241.86110.97452.29404.26163.49833.49834.0311

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 112.527 C1 C2 O4 123.138
C1 O5 H8 104.207 C2 C1 O5 110.741
C2 C1 H6 107.810 C2 C1 H7 107.810
C2 O3 H9 105.393 O3 C2 O4 124.335
O5 C1 H6 111.677 O5 C1 H7 111.677
H6 C1 H7 106.922
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability