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

using model chemistry: HF/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A
Energy calculated at HF/6-31G(2df,p)
 hartrees
Energy at 0K-302.697418
Energy at 298.15K-302.703199
HF Energy-302.697418
Nuclear repulsion energy182.207844
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 HF/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' 4125 3736 94.35      
2 A' 4115 3726 121.54      
3 A' 3177 2877 30.68      
4 A' 2014 1824 376.58      
5 A' 1626 1472 7.23      
6 A' 1618 1465 1.22      
7 A' 1474 1335 152.75      
8 A' 1408 1275 50.49      
9 A' 1307 1183 163.66      
10 A' 1240 1122 228.42      
11 A' 932 844 39.14      
12 A' 712 645 29.48      
13 A' 511 463 24.10      
14 A' 304 275 8.25      
15 A" 3209 2905 28.01      
16 A" 1366 1237 0.16      
17 A" 1144 1036 3.08      
18 A" 705 638 144.85      
19 A" 549 497 16.28      
20 A" 292 264 83.82      
21 A" 81 73 17.13      

Unscaled Zero Point Vibrational Energy (zpe) 15953.5 cm-1
Scaled (by 0.9055) Zero Point Vibrational Energy (zpe) 14445.9 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 HF/6-31G(2df,p)
ABC
0.36861 0.13770 0.10212

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.578 -0.869 0.000
C2 0.000 0.525 0.000
O3 -0.933 1.459 0.000
O4 1.161 0.753 0.000
O5 0.417 -1.827 0.000
H6 -1.216 -0.965 0.875
H7 -1.216 -0.965 -0.875
H8 1.253 -1.388 0.000
H9 -0.514 2.307 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 O5 H6 H7 H8 H9
C11.50892.35432.37771.38121.08731.08731.90303.1764
C21.50891.31971.18312.38862.11322.11322.28691.8545
O32.35431.31972.20943.55192.59262.59263.58900.9461
O42.37771.18312.20942.68493.06083.06082.14312.2846
O51.38122.38863.55192.68492.04332.04330.94404.2373
H61.08732.11322.59263.06082.04331.75012.65333.4592
H71.08732.11322.59263.06082.04331.75012.65333.4592
H81.90302.28693.58902.14310.94402.65332.65334.0957
H93.17641.85450.94612.28464.23733.45923.45924.0957

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 112.503 C1 C2 O4 123.627
C1 O5 H8 108.386 C2 C1 O5 111.398
C2 C1 H6 107.866 C2 C1 H7 107.866
C2 O3 H9 108.741 O3 C2 O4 123.870
O5 C1 H6 111.174 O5 C1 H7 111.174
H6 C1 H7 107.176
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.032      
2 C 0.551      
3 O -0.500      
4 O -0.464      
5 O -0.572      
6 H 0.153      
7 H 0.153      
8 H 0.355      
9 H 0.355      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.386 1.815 0.000 2.284
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.193 -0.728 0.000
y -0.728 -28.324 0.000
z 0.000 0.000 -27.684
Traceless
 xyz
x -2.188 -0.728 0.000
y -0.728 0.614 0.000
z 0.000 0.000 1.574
Polar
3z2-r23.149
x2-y2-1.868
xy-0.728
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.865 -0.040 0.000
y -0.040 4.723 0.000
z 0.000 0.000 3.268


<r2> (average value of r2) Å2
<r2> 108.958
(<r2>)1/2 10.438