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All results from a given calculation for H2OHCOOH (Water formic acid dimer 2)

using model chemistry: HF/daug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at HF/daug-cc-pVTZ
 hartrees
Energy at 0K-264.914638
Energy at 298.15K-264.918352
HF Energy-264.914638
Counterpoise corrected energy 
CP Energy at 298.15K 
Counterpoise optimized geometry corrected energy 
CP opt. Energy at 298.15K 
Nuclear repulsion energy117.249191
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/daug-cc-pVTZ
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 4205 3804 146.00      
2 A 4080 3691 56.33      
3 A 4075 3686 184.10      
4 A 3264 2952 20.42      
5 A 1965 1778 501.68      
6 A 1758 1591 120.30      
7 A 1537 1390 11.67      
8 A 1426 1290 28.39      
9 A 1266 1145 304.84      
10 A 1201 1087 0.07      
11 A 701 634 64.04      
12 A 699 632 180.42      
13 A 447 404 95.34      
14 A 324 293 149.42      
15 A 138 125 7.45      
16 A 62 56 21.70      
17 A 44 40 19.13      
18 A 42 38 120.21      

Unscaled Zero Point Vibrational Energy (zpe) 13617.1 cm-1
Scaled (by 0.9046) Zero Point Vibrational Energy (zpe) 12318.1 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/daug-cc-pVTZ
ABC
0.95665 0.08542 0.07841

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/daug-cc-pVTZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -1.866 0.386 0.000
O2 -2.519 -0.296 0.000
O3 0.220 0.854 0.000
H4 -3.357 0.129 -0.000
C5 0.749 -0.202 0.000
O6 2.051 -0.384 -0.000
H7 0.219 -1.147 0.000
H8 2.488 0.456 -0.000

Atom - Atom Distances (Å)
  H1 O2 O3 H4 C5 O6 H7 H8
H10.94482.13781.51392.68013.99172.58794.3544
O20.94482.97110.94013.26954.57102.86755.0635
O32.13782.97113.65051.18132.21012.00112.3025
H41.51390.94013.65054.11995.43283.79765.8548
C52.68013.26951.18134.11991.31461.08321.8595
O63.99174.57102.21015.43281.31461.98440.9469
H72.58792.86752.00113.79761.08321.98442.7781
H84.35445.06352.30255.85481.85950.94692.7781

picture of Water formic acid dimer 2 state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 O2 H4 106.867 H1 O3 C5 103.946
O2 H1 O3 146.408 O3 C5 O6 124.535
O3 C5 H7 124.126 C5 O6 H8 109.547
O6 C5 H7 111.339
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/daug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.424      
2 O -0.707      
3 O -0.873      
4 H 0.227      
5 C 0.074      
6 O -0.852      
7 H 1.402      
8 H 0.304      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.307 0.647 -0.000 1.458
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.297 -1.001 0.001
y -1.001 -25.028 -0.000
z 0.001 -0.000 -24.362
Traceless
 xyz
x 7.398 -1.001 0.001
y -1.001 -4.198 -0.000
z 0.001 -0.000 -3.200
Polar
3z2-r2-6.400
x2-y27.731
xy-1.001
xz0.001
yz-0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.927 -0.215 0.000
y -0.215 4.257 0.000
z 0.000 0.000 3.209


<r2> (average value of r2) Å2
<r2> 132.705
(<r2>)1/2 11.520