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All results from a given calculation for CH3OC2H5 (Ethane, methoxy-)

using model chemistry: MP3/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP3/cc-pVDZ
 hartrees
Energy at 0K-193.782930
Energy at 298.15K-193.791943
HF Energy-193.117852
Nuclear repulsion energy133.385597
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 MP3/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' 3185 3019 25.05      
2 A' 3182 3016 31.09      
3 A' 3094 2933 16.33      
4 A' 3031 2873 74.62      
5 A' 3014 2857 34.16      
6 A' 1544 1463 1.02      
7 A' 1514 1435 7.19      
8 A' 1506 1428 2.38      
9 A' 1491 1413 0.13      
10 A' 1450 1374 47.21      
11 A' 1401 1328 4.41      
12 A' 1267 1201 75.46      
13 A' 1212 1149 100.56      
14 A' 1128 1069 3.08      
15 A' 1076 1020 16.97      
16 A' 895 849 9.40      
17 A' 477 453 0.69      
18 A' 293 278 2.44      
19 A" 3188 3022 25.38      
20 A" 3087 2927 62.87      
21 A" 3052 2893 74.24      
22 A" 1492 1415 5.49      
23 A" 1485 1408 4.10      
24 A" 1310 1242 2.36      
25 A" 1214 1151 11.88      
26 A" 1179 1118 0.00      
27 A" 828 784 0.04      
28 A" 272 258 2.34      
29 A" 216 204 1.46      
30 A" 112 106 2.22      

Unscaled Zero Point Vibrational Energy (zpe) 24096.8 cm-1
Scaled (by 0.9479) Zero Point Vibrational Energy (zpe) 22841.4 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 MP3/cc-pVDZ
ABC
0.92985 0.13911 0.13005

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.324 1.222 0.000
O2 0.011 0.715 0.000
C3 0.000 -0.697 0.000
C4 -1.449 -1.163 0.000
H5 1.257 2.320 0.000
H6 1.890 0.898 0.898
H7 1.890 0.898 -0.898
H8 0.534 -1.087 -0.893
H9 0.534 -1.087 0.893
H10 -1.502 -2.265 0.000
H11 -1.971 -0.783 0.894
H12 -1.971 -0.783 -0.894

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12
C11.40692.33113.65741.10061.10951.10952.59892.59894.48753.95893.9589
O21.40691.41182.37902.03252.09022.09022.07802.07803.34152.64042.6404
C32.33111.41181.52233.26902.63132.63131.11131.11132.17072.16572.1657
C43.65742.37901.52234.41144.02584.02582.17612.17611.10271.10231.1023
H51.10062.03253.26904.41141.79671.79673.59643.59645.35114.56654.5665
H61.10952.09022.63134.02581.79671.79512.99842.40484.72384.21144.5764
H71.10952.09022.63134.02581.79671.79512.40482.99844.72384.57644.2114
H82.59892.07801.11132.17613.59642.99842.40481.78662.51523.09162.5230
H92.59892.07801.11132.17613.59642.40482.99841.78662.51522.52303.0916
H104.48753.34152.17071.10275.35114.72384.72382.51522.51521.79261.7926
H113.95892.64042.16571.10234.56654.21144.57643.09162.52301.79261.7871
H123.95892.64042.16571.10234.56654.57644.21142.52303.09161.79261.7871

picture of Ethane, methoxy- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 C3 111.590 O2 C1 H5 107.674
O2 C1 H6 111.788 O2 C1 H7 111.788
O2 C3 C4 108.290 O2 C3 H8 110.321
O2 C3 H9 110.321 C3 C4 H10 110.552
C3 C4 H11 110.182 C3 C4 H12 110.182
C4 C3 H8 110.464 C4 C3 H9 110.464
H5 C1 H6 108.765 H5 C1 H7 108.765
H6 C1 H7 107.986 H8 C3 H9 106.990
H10 C4 H11 108.773 H10 C4 H12 108.773
H11 C4 H12 108.323
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability