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

using model chemistry: HF/CEP-121G*

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/CEP-121G*
 hartrees
Energy at 0K-60.413686
Energy at 298.15K 
HF Energy-60.413686
Nuclear repulsion energy101.164916
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/CEP-121G*
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' 4094 3699 86.45      
2 A' 4079 3685 108.88      
3 A' 3224 2913 37.39      
4 A' 1977 1786 449.11      
5 A' 1641 1482 5.51      
6 A' 1622 1465 2.19      
7 A' 1463 1321 132.49      
8 A' 1400 1265 77.85      
9 A' 1311 1185 184.46      
10 A' 1232 1113 242.78      
11 A' 926 836 36.16      
12 A' 700 632 32.40      
13 A' 502 454 26.75      
14 A' 297 268 7.86      
15 A" 3263 2948 34.67      
16 A" 1362 1231 0.01      
17 A" 1142 1032 1.72      
18 A" 696 628 180.97      
19 A" 544 491 13.48      
20 A" 259 234 96.62      
21 A" 53i 48i 39.03      

Unscaled Zero Point Vibrational Energy (zpe) 15840.3 cm-1
Scaled (by 0.9034) Zero Point Vibrational Energy (zpe) 14310.1 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/CEP-121G*
ABC
0.36238 0.13510 0.10023

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/CEP-121G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.585 -0.875 0.000
C2 0.000 0.529 0.000
O3 -0.940 1.472 0.000
O4 1.171 0.764 0.000
O5 0.418 -1.846 0.000
H6 -1.217 -0.975 0.878
H7 -1.217 -0.975 -0.878
H8 1.265 -1.416 0.000
H9 -0.513 2.323 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 O5 H6 H7 H8 H9
C11.52092.37392.40261.39551.08661.08661.92733.1992
C21.52091.33181.19472.41062.12472.12472.31951.8664
O32.37391.33182.22683.58462.61472.61473.63320.9524
O42.40261.19472.22682.71633.08263.08262.18192.2950
O51.39552.41063.58462.71632.04992.04990.94984.2714
H61.08662.12472.61473.08262.04991.75602.66953.4853
H71.08662.12472.61473.08262.04991.75602.66953.4853
H81.92732.31953.63322.18190.94982.66952.66954.1400
H93.19921.86640.95242.29504.27143.48533.48534.1400

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 112.474 C1 C2 O4 123.996
C1 O5 H8 109.042 C2 C1 O5 111.427
C2 C1 H6 107.989 C2 C1 H7 107.989
C2 O3 H9 108.450 O3 C2 O4 123.529
O5 C1 H6 110.744 O5 C1 H7 110.744
H6 C1 H7 107.810
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-121G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.104      
2 C 0.434      
3 O -0.537      
4 O -0.442      
5 O -0.660      
6 H 0.180      
7 H 0.180      
8 H 0.472      
9 H 0.477      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.418 1.962 0.000 2.421
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.921 -0.709 0.000
y -0.709 -29.412 0.000
z 0.000 0.000 -28.220
Traceless
 xyz
x -2.105 -0.709 0.000
y -0.709 0.159 0.000
z 0.000 0.000 1.947
Polar
3z2-r23.894
x2-y2-1.509
xy-0.709
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.997 -0.009 0.000
y -0.009 4.605 0.000
z 0.000 0.000 3.235


<r2> (average value of r2) Å2
<r2> 91.181
(<r2>)1/2 9.549