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All results from a given calculation for H2OCH3OH (water methanol dimer)

using model chemistry: PBEPBEultrafine/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 PBEPBEultrafine/aug-cc-pVTZ
 hartrees
Energy at 0K-192.019631
Energy at 298.15K-192.025076
Counterpoise corrected energy-192.019512
CP Energy at 298.15K-192.024946
Counterpoise optimized geometry corrected energy 
CP opt. Energy at 298.15K 
Nuclear repulsion energy78.989238
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 PBEPBEultrafine/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 3767 3725 65.18      
2 A 3714 3672 35.81      
3 A 3490 3451 493.81      
4 A 3061 3027 14.29      
5 A 3002 2968 34.98      
6 A 2943 2910 55.00      
7 A 1611 1593 37.69      
8 A 1455 1439 6.67      
9 A 1443 1427 4.36      
10 A 1422 1406 2.68      
11 A 1328 1313 22.22      
12 A 1131 1119 0.04      
13 A 1047 1035 3.41      
14 A 1004 993 119.91      
15 A 649 641 47.21      
16 A 391 387 39.11      
17 A 298 295 160.89      
18 A 183 181 3.96      
19 A 111 110 98.66      
20 A 67 67 13.58      
21 A 51 50 9.97      

Unscaled Zero Point Vibrational Energy (zpe) 16084.1 cm-1
Scaled (by 0.9888) Zero Point Vibrational Energy (zpe) 15904.0 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 PBEPBEultrafine/aug-cc-pVTZ
ABC
0.99948 0.13437 0.12321

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 1.169 0.132 -0.051
O2 2.075 -0.212 0.107
O3 -0.639 0.660 -0.105
H4 2.588 0.091 -0.658
H5 -0.791 1.244 0.654
C6 -1.532 -0.461 0.002
H7 -2.585 -0.141 -0.033
H8 -1.329 -1.105 -0.861
H9 -1.354 -1.040 0.922

Atom - Atom Distances (Å)
  H1 O2 O3 H4 H5 C6 H7 H8 H9
H10.98261.88361.54432.36042.76563.76352.90312.9467
O20.98262.85850.96913.26083.61754.66293.65073.6206
O31.88362.85853.32280.97041.43712.10542.03982.1108
H41.54430.96913.32283.80354.20905.21574.10114.3946
H52.36043.26080.97043.80351.97042.36842.84662.3678
C62.76563.61751.43714.20901.97041.10121.09581.1013
H73.76354.66292.10545.21572.36841.10121.78621.7993
H82.90313.65072.03984.10112.84661.09581.78621.7845
H92.94673.62062.11084.39462.36781.10131.79931.7845

picture of water methanol dimer state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 O2 H4 104.608 H1 O3 H5 107.218
H1 O3 C6 112.084 O2 H1 O3 171.193
O3 C6 H7 111.397 O3 C6 H8 106.504
O3 C6 H9 111.836 H5 O3 C6 108.294
H7 C6 H8 108.789 H7 C6 H9 109.566
H8 C6 H9 108.626
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.260      
2 O -0.406      
3 O -0.361      
4 H 0.137      
5 H 0.122      
6 C -0.465      
7 H 0.224      
8 H 0.260      
9 H 0.229      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.467 0.809 -0.175 2.602
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.267 1.955 -4.707
y 1.955 -19.880 1.749
z -4.707 1.749 -19.378
Traceless
 xyz
x -0.638 1.955 -4.707
y 1.955 -0.058 1.749
z -4.707 1.749 0.696
Polar
3z2-r21.392
x2-y2-0.386
xy1.955
xz-4.707
yz1.749


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.569 0.187 -0.075
y 0.187 4.850 0.076
z -0.075 0.076 4.535


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