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

using model chemistry: mPW1PW91/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A
Energy calculated at mPW1PW91/6-31G*
 hartrees
Energy at 0K-304.209961
Energy at 298.15K-304.215583
HF Energy-304.209961
Nuclear repulsion energy180.502607
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 mPW1PW91/6-31G*
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' 3752 3558 68.08      
2 A' 3723 3530 78.01      
3 A' 3050 2892 28.66      
4 A' 1874 1778 278.84      
5 A' 1530 1451 4.97      
6 A' 1513 1435 18.10      
7 A' 1396 1324 163.96      
8 A' 1324 1255 21.74      
9 A' 1217 1154 139.95      
10 A' 1162 1102 213.01      
11 A' 881 836 42.37      
12 A' 660 626 19.33      
13 A' 480 455 28.80      
14 A' 289 274 8.70      
15 A" 3078 2919 24.25      
16 A" 1261 1196 0.68      
17 A" 1057 1002 1.63      
18 A" 682 647 146.80      
19 A" 513 486 3.54      
20 A" 328 311 84.25      
21 A" 72 68 14.83      

Unscaled Zero Point Vibrational Energy (zpe) 14920.2 cm-1
Scaled (by 0.9483) Zero Point Vibrational Energy (zpe) 14148.8 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 mPW1PW91/6-31G*
ABC
0.35937 0.13677 0.10093

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.607 -0.862 0.000
C2 0.000 0.520 0.000
O3 -0.914 1.495 0.000
O4 1.194 0.713 0.000
O5 0.389 -1.836 0.000
H6 -1.256 -0.952 0.882
H7 -1.256 -0.952 -0.882
H8 1.233 -1.355 0.000
H9 -0.428 2.337 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 O5 H6 H7 H8 H9
C11.50892.37702.39231.39341.09901.09901.90453.2037
C21.50891.33711.20972.38792.12632.12632.24331.8669
O32.37701.33712.24913.57742.62342.62343.56810.9719
O42.39231.20972.24912.67323.09083.09082.06762.2957
O51.39342.38793.57742.67322.06592.06590.97154.2524
H61.09902.12632.62343.09082.06591.76412.67133.5040
H71.09902.12632.62343.09082.06591.76412.67133.5040
H81.90452.24333.56812.06760.97152.67132.67134.0479
H93.20371.86690.97192.29574.25243.50403.50404.0479

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 113.136 C1 C2 O4 122.899
C1 O5 H8 105.900 C2 C1 O5 110.658
C2 C1 H6 108.209 C2 C1 H7 108.209
C2 O3 H9 106.841 O3 C2 O4 123.965
O5 C1 H6 111.421 O5 C1 H7 111.421
H6 C1 H7 106.758
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.122      
2 C 0.548      
3 O -0.571      
4 O -0.478      
5 O -0.638      
6 H 0.197      
7 H 0.197      
8 H 0.430      
9 H 0.436      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.178 2.145 0.000 2.447
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.955 -0.344 0.000
y -0.344 -28.254 0.000
z 0.000 0.000 -27.857
Traceless
 xyz
x -1.899 -0.344 0.000
y -0.344 0.652 0.000
z 0.000 0.000 1.247
Polar
3z2-r22.494
x2-y2-1.700
xy-0.344
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.096 -0.102 0.000
y -0.102 5.011 0.000
z 0.000 0.000 2.961


<r2> (average value of r2) Å2
<r2> 109.962
(<r2>)1/2 10.486