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

using model chemistry: B3LYPultrafine_cp_opt/6-311+G(3df,2pd)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3LYPultrafine_cp_opt/6-311+G(3df,2pd)
 hartrees
Energy at 0K-266.309329
Energy at 298.15K-266.312677
Nuclear repulsion energy70.218582
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 B3LYPultrafine_cp_opt/6-311+G(3df,2pd)
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 3916 3798 103.62      
2 A 3805 3691 34.68      
3 A 3743 3631 68.24      
4 A 3076 2984 11.77      
5 A 1822 1767 363.16      
6 A 1626 1577 109.21      
7 A 1409 1367 6.87      
8 A 1284 1245 3.09      
9 A 1108 1075 277.36      
10 A 1061 1029 1.88      
11 A 660 640 143.25      
12 A 630 611 35.25      
13 A 316 307 66.82      
14 A 261 254 140.11      
15 A 118 114 2.34      
16 A 60 58 16.95      
17 A 53 52 36.52      
18 A 23 22 107.71      

Unscaled Zero Point Vibrational Energy (zpe) 12485.3 cm-1
Scaled (by 0.97) Zero Point Vibrational Energy (zpe) 12110.7 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 B3LYPultrafine_cp_opt/6-311+G(3df,2pd)
ABC
0.70680 0.09074 0.08042

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine_cp_opt/6-311+G(3df,2pd)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 1.926 0.491 -0.001
O2 2.420 -0.335 -0.010
O3 -0.266 0.918 0.002
H4 3.346 -0.090 0.051
H5 -0.966 1.587 -0.010
C6 -0.856 -0.299 0.005
O7 -2.039 -0.472 -0.003
H8 -0.090 -1.080 0.017

Atom - Atom Distances (Å)
  H1 O2 O3 H4 H5 C6 O7 H8
H10.96302.23251.53523.09262.89234.07992.5557
O20.96302.96320.96013.89363.27644.46062.6177
O32.23252.96323.74960.96921.35232.25262.0053
H41.53520.96013.74964.62704.20775.39853.5756
H53.09263.89360.96924.62701.88952.32172.8076
C62.89233.27641.35234.20771.88951.19501.0945
O74.07994.46062.25265.39852.32171.19502.0419
H82.55572.61772.00533.57562.80761.09452.0419

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 105.936 H1 O3 H5 147.282
H1 O3 C6 104.898 O2 H1 O3 131.863
O3 C6 O7 124.216 O3 C6 H8 109.626
H5 O3 C6 107.813 O7 C6 H8 126.158
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine_cp_opt/6-311+G(3df,2pd) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.000      
2 O 0.000      
3 O -0.398      
4 H 0.000      
5 H 0.202      
6 C 0.696      
7 O -0.586      
8 H 0.087      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.870 2.425 0.116 3.065
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.711 -0.629 0.410
y -0.629 -21.377 -0.054
z 0.410 -0.054 -24.934
Traceless
 xyz
x -1.555 -0.629 0.410
y -0.629 3.445 -0.054
z 0.410 -0.054 -1.890
Polar
3z2-r2-3.780
x2-y2-3.333
xy-0.629
xz0.410
yz-0.054


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.854 0.266 0.040
y 0.266 3.651 -0.030
z 0.040 -0.030 2.306


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000