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All results from a given calculation for C3H8O2 (Methane, dimethoxy-)

using model chemistry: mPW1PW91/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at mPW1PW91/aug-cc-pVDZ
 hartrees
Energy at 0K-269.519179
Energy at 298.15K-269.528784
Nuclear repulsion energy198.456293
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 mPW1PW91/aug-cc-pVDZ
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 3166 3034 4.95      
2 A 3102 2973 64.39      
3 A 3032 2906 59.29      
4 A 3020 2894 18.09      
5 A 1494 1431 7.65      
6 A 1483 1421 0.03      
7 A 1464 1403 4.84      
8 A 1443 1383 0.30      
9 A 1331 1275 1.01      
10 A 1214 1163 51.47      
11 A 1169 1120 20.32      
12 A 1155 1107 41.35      
13 A 953 914 3.40      
14 A 606 581 5.63      
15 A 319 306 4.00      
16 A 148 142 0.14      
17 A 98 94 2.40      
18 B 3166 3034 37.37      
19 B 3101 2972 6.06      
20 B 3091 2962 41.22      
21 B 3021 2895 108.78      
22 B 1484 1422 9.07      
23 B 1464 1403 2.72      
24 B 1459 1398 12.68      
25 B 1411 1352 5.76      
26 B 1249 1197 17.76      
27 B 1172 1123 194.28      
28 B 1165 1116 45.77      
29 B 1081 1036 113.25      
30 B 971 930 68.26      
31 B 452 433 5.18      
32 B 212 203 15.87      
33 B 134 128 1.83      

Unscaled Zero Point Vibrational Energy (zpe) 24914.5 cm-1
Scaled (by 0.9583) Zero Point Vibrational Energy (zpe) 23875.5 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 mPW1PW91/aug-cc-pVDZ
ABC
0.34892 0.10795 0.10173

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/aug-cc-pVDZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.921
H2 -0.718 0.551 1.548
H3 0.718 -0.551 1.548
O4 0.773 0.880 0.158
O5 -0.773 -0.880 0.158
C6 0.000 1.826 -0.556
C7 0.000 -1.826 -0.556
H8 0.702 2.473 -1.090
H9 -0.702 -2.473 -1.090
H10 -0.670 1.339 -1.278
H11 -0.604 2.439 0.133
H12 0.670 -1.339 -1.278
H13 0.604 -2.439 0.133

Atom - Atom Distances (Å)
  C1 H2 H3 O4 O5 C6 C7 H8 H9 H10 H11 H12 H13
C11.10121.10121.39781.39782.34882.34883.26433.26432.66052.63362.66052.6336
H21.10121.81042.06451.99602.56293.25513.55974.01372.93442.36223.67253.5629
H31.10121.81041.99602.06453.25512.56294.01373.55973.67253.56292.93442.3622
O41.39782.06451.99602.34281.41522.90392.02533.87062.08692.08012.64573.3239
O51.39781.99602.06452.34282.90391.41523.87062.02532.64573.32392.08692.0801
C62.34882.56293.25511.41522.90393.65241.09424.38931.09861.10243.31514.3628
C72.34883.25512.56292.90391.41523.65244.38931.09423.31514.36281.09861.1024
H83.26433.55974.01372.02533.87061.09424.38935.14251.79011.78963.81755.0637
H93.26434.01373.55973.87062.02534.38931.09425.14253.81755.06371.79011.7896
H102.66052.93443.67252.08692.64571.09863.31511.79013.81751.79042.99464.2296
H112.63362.36223.56292.08013.32391.10244.36281.78965.06371.79044.22965.0259
H122.66053.67252.93442.64572.08693.31511.09863.81751.79012.99464.22961.7904
H132.63363.56292.36223.32392.08014.36281.10245.06371.78964.22965.02591.7904

picture of Methane, dimethoxy- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O4 C6 113.229 C1 O5 C7 113.229
H2 C1 H3 110.579 H2 C1 O4 110.850
H2 C1 O5 105.397 H3 C1 O4 105.397
H3 C1 O5 110.850 O4 C1 O5 113.861
O4 C6 H8 106.933 O4 C6 H10 111.614
O4 C6 H11 110.819 O5 C7 H9 106.933
O5 C7 H12 111.614 O5 C7 H13 110.819
H8 C6 H10 109.437 H8 C6 H11 109.121
H9 C7 H12 109.437 H9 C7 H13 109.121
H10 C6 H11 108.868 H12 C7 H13 108.868
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 1.043      
2 H -0.267      
3 H -0.267      
4 O -0.565      
5 O -0.565      
6 C 0.755      
7 C 0.755      
8 H -0.281      
9 H -0.281      
10 H -0.075      
11 H -0.089      
12 H -0.075      
13 H -0.089      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -0.197 0.197
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.926 -2.357 0.000
y -2.357 -28.355 0.000
z 0.000 0.000 -29.790
Traceless
 xyz
x -5.853 -2.357 0.000
y -2.357 4.002 0.000
z 0.000 0.000 1.850
Polar
3z2-r23.701
x2-y2-6.570
xy-2.357
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.600 -0.083 0.000
y -0.083 8.443 0.000
z 0.000 0.000 7.202


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