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

using model chemistry: G4

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A
Energy calculated at G4
 hartrees
Energy at 0K-304.177322
Energy at 298.15K-304.171041
HF Energy-304.320023
Nuclear repulsion energy180.074768
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 B3LYP/6-31G(2df,p)
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' 3749 3618 58.96      
2 A' 3726 3596 71.68      
3 A' 2998 2893 30.91      
4 A' 1831 1767 254.68      
5 A' 1497 1444 6.09      
6 A' 1476 1425 18.83      
7 A' 1371 1323 135.80      
8 A' 1304 1258 20.14      
9 A' 1181 1140 126.15      
10 A' 1125 1085 215.26      
11 A' 860 830 37.77      
12 A' 652 629 16.85      
13 A' 472 456 24.70      
14 A' 286 276 8.98      
15 A" 3018 2913 23.16      
16 A" 1244 1200 0.18      
17 A" 1041 1005 1.15      
18 A" 664 641 116.67      
19 A" 509 491 5.35      
20 A" 341 329 67.67      
21 A" 91 88 7.56      

Unscaled Zero Point Vibrational Energy (zpe) 14717.4 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 14202.3 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 B3LYP/6-31G(2df,p)
ABC
0.35819 0.13570 0.10025

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.599 -0.868 0.000
C2 0.000 0.523 0.000
O3 -0.930 1.491 0.000
O4 1.190 0.728 0.000
O5 0.404 -1.842 0.000
H6 -1.251 -0.960 0.882
H7 -1.251 -0.960 -0.882
H8 1.243 -1.357 0.000
H9 -0.458 2.338 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 O5 H6 H7 H8 H9
C11.51492.38252.39741.39861.10041.10041.90563.2093
C21.51491.34241.20722.39982.13132.13132.25391.8718
O32.38251.34242.25293.59072.62512.62513.58250.9693
O42.39741.20722.25292.68753.09563.09562.08582.3039
O51.39862.39983.59072.68752.07232.07230.96854.2684
H61.10042.13132.62513.09562.07231.76442.67423.5050
H71.10042.13132.62513.09562.07231.76442.67423.5050
H81.90562.25393.58252.08580.96852.67422.67424.0679
H93.20931.87180.96932.30394.26843.50503.50504.0679

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 112.328 C1 C2 O4 122.994
C1 O5 H8 106.265 C2 C1 O5 111.010
C2 C1 H6 107.972 C2 C1 H7 107.972
C2 O3 H9 107.738 O3 C2 O4 124.678
O5 C1 H6 111.486 O5 C1 H7 111.486
H6 C1 H7 106.715
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.133      
2 C 0.388      
3 O -0.359      
4 O -0.347      
5 O -0.418      
6 H 0.131      
7 H 0.131      
8 H 0.298      
9 H 0.310      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.200 1.922 0.000 2.266
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.000 0.000 0.000
y 0.000 0.000 0.000
z 0.000 0.000 0.000


<r2> (average value of r2) Å2
<r2> 110.476
(<r2>)1/2 10.511