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All results from a given calculation for CH3OHH2O (methanol water dimer)

using model chemistry: B97D3/aug-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 B97D3/aug-cc-pVTZ
 hartrees
Energy at 0K-192.142457
Energy at 298.15K-192.147562
HF Energy-192.142457
Nuclear repulsion energy77.958414
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 B97D3/aug-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' 3720 3663 4.46      
2 A' 3604 3549 412.85      
3 A' 3042 2996 44.76      
4 A' 2920 2875 88.99      
5 A' 1615 1591 68.58      
6 A' 1479 1457 2.85      
7 A' 1443 1421 5.33      
8 A' 1399 1377 29.33      
9 A' 1091 1074 7.18      
10 A' 1022 1006 104.08      
11 A' 269 265 200.63      
12 A' 151 148 3.00      
13 A' 73 72 28.08      
14 A" 3826 3767 65.66      
15 A" 2961 2916 75.60      
16 A" 1463 1441 1.73      
17 A" 1146 1128 0.35      
18 A" 652 642 90.05      
19 A" 194 191 1.61      
20 A" 77 76 12.85      
21 A" 62 61 45.40      

Unscaled Zero Point Vibrational Energy (zpe) 16104.8 cm-1
Scaled (by 0.9847) Zero Point Vibrational Energy (zpe) 15858.3 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 B97D3/aug-cc-pVTZ
ABC
1.09400 0.12330 0.11502

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 0.000 0.368 0.000
O2 -0.969 0.298 0.000
O3 1.952 0.700 0.000
C4 -1.311 -1.085 0.000
H5 2.139 1.259 0.765
H6 2.139 1.259 -0.765
H7 -2.403 -1.149 0.000
H8 -0.934 -1.606 -0.893
H9 -0.934 -1.606 0.893

Atom - Atom Distances (Å)
  H1 O2 O3 C4 H5 H6 H7 H8 H9
H10.97181.97941.95712.44012.44012.84202.36012.3601
O20.97182.94821.42433.34223.34222.03712.10382.1038
O31.97942.94823.71860.96570.96574.73073.80033.8003
C41.95711.42433.71864.24044.24041.09391.10101.1010
H52.44013.34220.96574.24041.52925.19764.51714.2038
H62.44013.34220.96574.24041.52925.19764.20384.5171
H72.84202.03714.73071.09395.19765.19761.77901.7790
H82.36012.10383.80031.10104.51714.20381.77901.7866
H92.36012.10383.80031.10104.20384.51711.77901.7866

picture of methanol water dimer state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 O2 C4 108.039 H1 O3 H5 106.769
H1 O3 H6 106.769 O2 H1 O3 174.522
O2 C4 H7 107.256 O2 C4 H8 112.201
O2 C4 H9 112.201 H5 O3 H6 104.696
H7 C4 H8 108.291 H7 C4 H9 108.291
H8 C4 H9 108.457
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.297      
2 O -0.494      
3 O -0.340      
4 C -0.307      
5 H 0.166      
6 H 0.166      
7 H 0.185      
8 H 0.163      
9 H 0.163      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.341 0.783 0.000 2.469
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.357 6.845 0.000
y 6.845 -17.234 0.000
z 0.000 0.000 -18.443
Traceless
 xyz
x -0.518 6.845 0.000
y 6.845 1.166 0.000
z 0.000 0.000 -0.648
Polar
3z2-r2-1.295
x2-y2-1.122
xy6.845
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.210 0.480 0.000
y 0.480 5.095 0.000
z 0.000 0.000 4.547


<r2> (average value of r2) Å2
<r2> 100.454
(<r2>)1/2 10.023