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

using model chemistry: B3LYPultrafine/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/6-311+G(3df,2pd)
 hartrees
Energy at 0K-192.246477
Energy at 298.15K-192.251917
Counterpoise corrected energy-192.245985
CP Energy at 298.15K-192.251368
Counterpoise optimized geometry corrected energy 
CP opt. Energy at 298.15K 
Nuclear repulsion energy78.898479
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/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 3896 3779 84.44      
2 A 3848 3733 45.59      
3 A 3675 3564 424.14      
4 A 3126 3032 16.66      
5 A 3069 2977 37.47      
6 A 3013 2923 53.08      
7 A 1653 1603 47.66      
8 A 1510 1465 6.42      
9 A 1500 1455 4.35      
10 A 1482 1437 3.20      
11 A 1367 1326 27.38      
12 A 1176 1140 0.34      
13 A 1079 1046 13.42      
14 A 1037 1006 122.54      
15 A 645 625 65.64      
16 A 384 373 56.83      
17 A 296 288 155.41      
18 A 177 171 2.99      
19 A 117 113 114.37      
20 A 65 63 14.18      
21 A 50 49 9.17      

Unscaled Zero Point Vibrational Energy (zpe) 16581.6 cm-1
Scaled (by 0.97) Zero Point Vibrational Energy (zpe) 16084.1 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 B3LYPultrafine/6-311+G(3df,2pd)
ABC
1.06270 0.12921 0.11955

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/6-311+G(3df,2pd)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 1.210 0.108 -0.029
O2 2.119 -0.203 0.108
O3 -0.635 0.628 -0.101
H4 2.602 0.066 -0.676
H5 -0.814 1.276 0.585
C6 -1.574 -0.443 0.004
H7 -2.596 -0.090 -0.152
H8 -1.326 -1.154 -0.779
H9 -1.505 -0.946 0.970

Atom - Atom Distances (Å)
  H1 O2 O3 H4 H5 C6 H7 H8 H9
H10.97031.91831.53552.41662.83873.81352.93033.0795
O20.97032.88420.95973.31963.70264.72373.68213.7987
O31.91832.88423.33510.96061.42832.08932.02822.0937
H41.53550.95973.33513.83734.26195.22694.11434.5393
H52.41663.31960.96063.83731.96672.36302.83332.3585
C62.83873.70261.42834.26191.96671.09191.08681.0919
H73.81354.72372.08935.22692.36301.09191.77191.7837
H82.93033.68212.02824.11432.83331.08681.77191.7705
H93.07953.79872.09374.53932.35851.09191.78371.7705

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 105.413 H1 O3 H5 109.617
H1 O3 C6 115.259 O2 H1 O3 173.259
O3 C6 H7 111.300 O3 C6 H8 106.705
O3 C6 H9 111.663 H5 O3 C6 109.263
H7 C6 H8 108.831 H7 C6 H9 109.523
H8 C6 H9 108.712
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