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All results from a given calculation for CH3OCH3 (Dimethyl ether)

using model chemistry: B2PLYP=FULL/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B2PLYP=FULL/aug-cc-pVDZ
 hartrees
Energy at 0K-154.886162
Energy at 298.15K-154.892810
HF Energy-154.717302
Nuclear repulsion energy83.560415
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 B2PLYP=FULL/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 A1 3157 3037 21.68 97.34 0.31 0.48
2 A1 3004 2889 64.36 327.68 0.02 0.03
3 A1 1498 1441 3.40 5.09 0.74 0.85
4 A1 1471 1415 0.01 3.01 0.74 0.85
5 A1 1262 1213 6.65 0.43 0.60 0.75
6 A1 939 904 35.15 9.48 0.27 0.42
7 A1 416 400 2.35 1.22 0.14 0.25
8 A2 3058 2941 0.00 18.88 0.75 0.86
9 A2 1467 1411 0.00 12.14 0.75 0.86
10 A2 1154 1110 0.00 1.68 0.75 0.86
11 A2 198 191 0.00 0.23 0.75 0.86
12 B1 3053 2936 123.71 104.51 0.75 0.86
13 B1 1480 1424 13.56 0.05 0.75 0.86
14 B1 1185 1139 7.08 0.01 0.75 0.86
15 B1 248 239 5.35 0.00 0.75 0.86
16 B2 3156 3036 28.34 65.33 0.75 0.86
17 B2 2994 2880 59.46 1.66 0.75 0.86
18 B2 1482 1426 11.13 1.31 0.75 0.86
19 B2 1440 1385 2.33 1.55 0.75 0.86
20 B2 1192 1146 99.45 0.63 0.75 0.86
21 B2 1113 1071 39.48 1.75 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 17484.0 cm-1
Scaled (by 0.9618) Zero Point Vibrational Energy (zpe) 16816.1 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 B2PLYP=FULL/aug-cc-pVDZ
ABC
1.28969 0.33305 0.29469

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/aug-cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.596
C2 0.000 1.174 -0.198
C3 0.000 -1.174 -0.198
H4 0.000 2.029 0.486
H5 0.000 -2.029 0.486
H6 0.897 1.221 -0.841
H7 -0.897 1.221 -0.841
H8 -0.897 -1.221 -0.841
H9 0.897 -1.221 -0.841

Atom - Atom Distances (Å)
  O1 C2 C3 H4 H5 H6 H7 H8 H9
O11.41721.41722.03202.03202.08822.08822.08822.0882
C21.41722.34741.09523.27501.10411.10412.63702.6370
C31.41722.34743.27501.09522.63702.63701.10411.1041
H42.03201.09523.27504.05811.79331.79333.62353.6235
H52.03203.27501.09524.05813.62353.62351.79331.7933
H62.08821.10412.63701.79333.62351.79353.03062.4429
H72.08821.10412.63701.79333.62351.79352.44293.0306
H82.08822.63701.10413.62351.79333.03062.44291.7935
H92.08822.63701.10413.62351.79332.44293.03061.7935

picture of Dimethyl ether state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 H4 107.262 O1 C2 H6 111.220
O1 C2 H7 111.220 O1 C3 H5 107.262
O1 C3 H8 111.220 O1 C3 H9 111.220
C2 O1 C3 111.822 H4 C2 H6 109.245
H4 C2 H7 109.245 H5 C3 H8 109.245
H5 C3 H9 109.245 H6 C2 H7 108.612
H8 C3 H9 108.612
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability