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All results from a given calculation for H2OCH3OCH3 (water dimethylether dimer)

using model chemistry: HF/TZVP

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/TZVP
 hartrees
Energy at 0K-230.083956
Energy at 298.15K-230.091872
HF Energy-230.083956
Counterpoise corrected energy 
CP Energy at 298.15K 
Counterpoise optimized geometry corrected energy 
CP opt. Energy at 298.15K 
Nuclear repulsion energy133.835834
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/TZVP
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 4162 3782 133.59      
2 A 4035 3666 185.58      
3 A 3324 3020 29.42      
4 A 3312 3009 41.98      
5 A 3241 2945 130.14      
6 A 3239 2943 18.37      
7 A 3194 2902 62.93      
8 A 3181 2890 46.48      
9 A 1850 1681 97.11      
10 A 1668 1516 0.24      
11 A 1652 1501 7.88      
12 A 1651 1500 9.15      
13 A 1649 1498 2.73      
14 A 1639 1489 0.10      
15 A 1613 1465 12.92      
16 A 1406 1277 12.96      
17 A 1341 1219 159.13      
18 A 1317 1197 13.05      
19 A 1280 1163 0.00      
20 A 1230 1117 50.74      
21 A 1035 941 56.96      
22 A 582 529 176.51      
23 A 446 405 5.10      
24 A 290 264 81.33      
25 A 254 231 40.34      
26 A 210 191 0.40      
27 A 145 132 29.91      
28 A 137 124 100.89      
29 A 54 50 9.62      
30 A 30 28 2.66      

Unscaled Zero Point Vibrational Energy (zpe) 24583.7 cm-1
Scaled (by 0.9086) Zero Point Vibrational Energy (zpe) 22336.8 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/TZVP
ABC
0.34767 0.10293 0.08311

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/TZVP

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 1.549 -0.347 0.079
O2 2.489 -0.211 0.133
O3 -0.434 -0.096 -0.212
C4 -0.692 1.255 0.034
C5 -1.508 -0.943 0.066
H6 2.815 -0.382 -0.740
H7 -0.967 1.420 1.073
H8 0.216 1.801 -0.180
H9 -1.492 1.622 -0.604
H10 -1.196 -1.953 -0.158
H11 -1.795 -0.884 1.113
H12 -2.371 -0.694 -0.547

Atom - Atom Distances (Å)
  H1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11 H12
H10.95152.02002.75493.11511.50833.23112.54103.68683.18953.54133.9853
O20.95152.94603.50434.06470.94683.93623.05214.44494.08684.44634.9318
O32.02002.94601.39791.39583.30392.05762.00572.05582.00772.05672.0549
C42.75493.50431.39792.34523.94651.08721.08011.08733.25352.63832.6379
C53.11514.06471.39582.34524.43352.62433.24982.65111.08091.08741.0874
H61.50830.94683.30393.94654.43354.56483.43994.75244.34704.99385.1994
H73.23113.93622.05761.08722.62434.56481.76461.76853.59762.44843.0102
H82.54103.05212.00571.08013.24983.43991.76461.76904.01073.59513.6129
H93.68684.44492.05581.08732.65114.75241.76851.76903.61493.05342.4780
H103.18954.08682.00773.25351.08094.34703.59764.01073.61491.76581.7656
H113.54134.44632.05672.63831.08744.99382.44843.59513.05341.76581.7678
H123.98534.93182.05492.63791.08745.19943.01023.61292.47801.76561.7678

picture of water dimethylether dimer state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 O2 H6 105.219 H1 O3 C4 105.982
H1 O3 C5 130.672 O2 H1 O3 163.870
O3 C4 H7 111.170 O3 C4 H8 107.379
O3 C4 H9 111.009 O3 C5 H10 107.640
O3 C5 H11 111.237 O3 C5 H12 111.082
C4 O3 C5 114.170 H7 C4 H8 109.008
H7 C4 H9 108.831 H8 C4 H9 109.402
H10 C5 H11 109.051 H10 C5 H12 109.030
H11 C5 H12 108.753
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.480      
2 O -0.922      
3 O -0.621      
4 C -0.173      
5 C -0.164      
6 H 0.424      
7 H 0.151      
8 H 0.193      
9 H 0.149      
10 H 0.181      
11 H 0.152      
12 H 0.149      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -3.022 0.009 -1.189 3.247
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.103 -0.154 -5.472
y -0.154 -23.695 0.595
z -5.472 0.595 -25.812
Traceless
 xyz
x -4.350 -0.154 -5.472
y -0.154 3.762 0.595
z -5.472 0.595 0.587
Polar
3z2-r21.175
x2-y2-5.408
xy-0.154
xz-5.472
yz0.595


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.731 0.159 -0.114
y 0.159 4.418 0.048
z -0.114 0.048 4.138


<r2> (average value of r2) Å2
<r2> 140.434
(<r2>)1/2 11.850