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All results from a given calculation for H2OHCOOH (Water formic acid dimer 1)

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-264.911920
Energy at 298.15K-264.915307
HF Energy-264.911920
Counterpoise corrected energy 
CP Energy at 298.15K 
Counterpoise optimized geometry corrected energy 
CP opt. Energy at 298.15K 
Nuclear repulsion energy116.711142
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 4217 3815 122.39      
2 A 4114 3721 19.08      
3 A 4083 3694 113.72      
4 A 3273 2960 15.79      
5 A 1987 1798 487.25      
6 A 1745 1579 129.88      
7 A 1536 1390 13.58      
8 A 1409 1274 11.30      
9 A 1245 1126 311.97      
10 A 1198 1084 0.05      
11 A 695 629 49.98      
12 A 683 618 176.57      
13 A 267 241 77.34      
14 A 231 209 126.83      
15 A 96 86 0.80      
16 A 68 61 161.90      
17 A 65 59 13.19      
18 A 51 46 1.76      

Unscaled Zero Point Vibrational Energy (zpe) 13481.6 cm-1
Scaled (by 0.9046) Zero Point Vibrational Energy (zpe) 12195.4 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
0.68538 0.08907 0.07882

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 2.071 0.545 0.002
O2 2.460 -0.313 0.000
O3 -0.343 0.933 -0.001
H4 3.393 -0.189 0.004
H5 -1.046 1.566 0.004
C6 -0.861 -0.288 -0.002
O7 -2.015 -0.515 0.002
H8 -0.076 -1.034 -0.009

Atom - Atom Distances (Å)
  H1 O2 O3 H4 H5 C6 O7 H8
H10.94222.44461.51223.28013.04764.22092.6656
O20.94223.06750.94063.97833.32114.47972.6374
O32.44463.06753.90050.94661.32642.21191.9854
H41.51220.94063.90054.77354.25455.41743.5706
H53.28013.97830.94664.77351.86392.29582.7758
C63.04763.32111.32644.25451.86391.17631.0826
O74.22094.47972.21195.41742.29581.17632.0069
H82.66562.63741.98543.57062.77581.08262.0069

picture of Water formic acid dimer 1 state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 O2 H4 106.872 H1 O3 H5 147.124
H1 O3 C6 103.848 O2 H1 O3 123.550
O3 C6 O7 124.096 O3 C6 H8 110.601
H5 O3 C6 109.025 O7 C6 H8 125.304
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 0.350      
2 O -0.589      
3 O -0.731      
4 H 0.222      
5 H 0.267      
6 C 0.087      
7 O -1.178      
8 H 1.572      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.422 2.444 0.004 3.441
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.352 -1.542 0.037
y -1.542 -20.985 0.029
z 0.037 0.029 -24.378
Traceless
 xyz
x -0.671 -1.542 0.037
y -1.542 2.880 0.029
z 0.037 0.029 -2.209
Polar
3z2-r2-4.418
x2-y2-2.367
xy-1.542
xz0.037
yz0.029


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.962 0.153 -0.004
y 0.153 4.206 0.002
z -0.004 0.002 3.219


<r2> (average value of r2) Å2
<r2> 131.716
(<r2>)1/2 11.477