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

using model chemistry: PBEPBEultrafine_cp_opt/6-31+G**

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_cp_opt/6-31+G**
 hartrees
Energy at 0K-231.195706
Energy at 298.15K-231.203508
Nuclear repulsion energy83.014062
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_cp_opt/6-31+G**
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 3797 3753 79.06      
2 A 3514 3474 520.03      
3 A 3084 3049 14.59      
4 A 3083 3048 16.46      
5 A 2992 2958 0.01      
6 A 2985 2951 102.78      
7 A 2933 2900 72.00      
8 A 2924 2891 54.43      
9 A 1593 1575 48.13      
10 A 1468 1451 4.13      
11 A 1448 1431 15.93      
12 A 1444 1427 19.15      
13 A 1437 1421 1.08      
14 A 1433 1417 0.06      
15 A 1412 1396 0.72      
16 A 1225 1211 4.33      
17 A 1154 1141 3.95      
18 A 1147 1134 81.57      
19 A 1122 1109 0.01      
20 A 1083 1071 45.92      
21 A 909 899 53.08      
22 A 640 632 72.89      
23 A 405 400 12.07      
24 A 347 344 111.30      
25 A 251 249 24.34      
26 A 203 200 0.17      
27 A 157 155 3.68      
28 A 120 119 131.56      
29 A 45 45 11.90      
30 A 40 39 14.47      

Unscaled Zero Point Vibrational Energy (zpe) 22196.9 cm-1
Scaled (by 0.9886) Zero Point Vibrational Energy (zpe) 21943.9 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_cp_opt/6-31+G**
ABC
0.30671 0.11304 0.08845

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine_cp_opt/6-31+G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 1.434 -0.000 -0.105
O2 2.381 -0.000 0.168
O3 -0.429 -0.000 -0.390
C4 -1.056 1.185 0.101
C5 -1.056 -1.185 0.101
H6 2.886 -0.000 -0.662
H7 -1.017 1.231 1.208
H8 -0.502 2.038 -0.316
H9 -2.113 1.237 -0.226
H10 -0.502 -2.038 -0.316
H11 -1.017 -1.231 1.208
H12 -2.113 -1.237 -0.226

Atom - Atom Distances (Å)
  H1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11 H12
H10.98501.88502.76562.76561.55543.04122.81893.75902.81903.04123.7590
O20.98502.86473.63603.63600.97173.76093.56324.67783.56333.76094.6778
O31.88502.86471.42801.42803.32662.10142.04082.09622.04082.10142.0962
C42.76563.63601.42802.37004.18691.10811.09961.10793.29692.65762.6632
C52.76563.63601.42802.37004.18692.65763.29692.66321.09961.10811.1079
H61.55540.97173.32664.18694.18694.50013.96915.16883.96914.50015.1689
H73.04123.76092.10141.10812.65764.50011.79961.80493.64342.46203.0578
H82.81893.56322.04081.09963.29693.96911.79961.80164.07623.64343.6515
H93.75904.67782.09621.10792.66325.16881.80491.80163.65153.05782.4747
H102.81903.56332.04083.29691.09963.96913.64344.07623.65151.79961.8016
H113.04123.76092.10142.65761.10814.50012.46203.64343.05781.79961.8049
H123.75904.67782.09622.66321.10795.16893.05783.65152.47471.80161.8049

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 105.292 H1 O3 C4 112.449
H1 O3 C5 112.450 O2 H1 O3 172.645
O3 C4 H7 111.283 O3 C4 H8 106.967
O3 C4 H9 110.875 O3 C5 H10 106.967
O3 C5 H11 111.283 O3 C5 H12 110.875
C4 O3 C5 112.159 H7 C4 H8 109.205
H7 C4 H9 109.069 H8 C4 H9 109.398
H10 C5 H11 109.205 H10 C5 H12 109.398
H11 C5 H12 109.069
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine_cp_opt/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.000      
2 O 0.000      
3 O -0.291      
4 C -0.315      
5 C -0.315      
6 H 0.000      
7 H 0.146      
8 H 0.168      
9 H 0.146      
10 H 0.168      
11 H 0.146      
12 H 0.146      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.655 0.000 -1.053 2.857
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.410 -0.000 -0.172
y -0.000 -17.431 0.000
z -0.172 0.000 -21.121
Traceless
 xyz
x -0.134 -0.000 -0.172
y -0.000 2.835 0.000
z -0.172 0.000 -2.701
Polar
3z2-r2-5.401
x2-y2-1.980
xy-0.000
xz-0.172
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.390 0.001 -0.025
y 0.001 5.404 -0.000
z -0.025 -0.000 4.384


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