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All results from a given calculation for C4H10O (Ethoxy ethane)

using model chemistry: MP2/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 no C2V 1A1
Energy calculated at MP2/3-21G*
 hartrees
Energy at 0K-231.346322
Energy at 298.15K-231.357493
HF Energy-230.858832
Nuclear repulsion energy186.914954
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 MP2/3-21G*
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 3176 3021 25.59      
2 A1 3101 2950 2.72      
3 A1 3035 2887 73.63      
4 A1 1638 1559 0.01      
5 A1 1607 1528 5.79      
6 A1 1492 1419 7.74      
7 A1 1488 1416 0.01      
8 A1 1194 1136 8.69      
9 A1 1026 976 2.59      
10 A1 835 795 7.03      
11 A1 430 409 0.24      
12 A1 184 175 0.73      
13 A2 3188 3033 0.00      
14 A2 3065 2916 0.00      
15 A2 1589 1512 0.00      
16 A2 1350 1284 0.00      
17 A2 1206 1147 0.00      
18 A2 873 830 0.00      
19 A2 253 241 0.00      
20 A2 106 100 0.00      
21 B1 3188 3033 43.36      
22 B1 3065 2916 109.04      
23 B1 1589 1512 9.24      
24 B1 1348 1283 0.03      
25 B1 1237 1177 11.53      
26 B1 883 840 1.64      
27 B1 260 247 2.23      
28 B1 95 91 5.43      
29 B2 3176 3021 16.01      
30 B2 3100 2949 21.81      
31 B2 3030 2883 4.57      
32 B2 1623 1544 4.76      
33 B2 1605 1526 5.51      
34 B2 1490 1418 9.77      
35 B2 1422 1353 71.90      
36 B2 1153 1097 45.36      
37 B2 1093 1039 84.69      
38 B2 947 901 2.92      
39 B2 410 390 6.22      

Unscaled Zero Point Vibrational Energy (zpe) 30774.0 cm-1
Scaled (by 0.9513) Zero Point Vibrational Energy (zpe) 29275.3 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 MP2/3-21G*
ABC
0.56475 0.07323 0.06816

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/3-21G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.271
C2 0.000 1.218 -0.554
C3 0.000 -1.218 -0.554
C4 0.000 2.393 0.434
C5 0.000 -2.393 0.434
H6 0.890 1.249 -1.200
H7 -0.890 1.249 -1.200
H8 0.890 -1.249 -1.200
H9 -0.890 -1.249 -1.200
H10 0.000 3.349 -0.099
H11 0.000 -3.349 -0.099
H12 -0.888 2.332 1.068
H13 0.888 2.332 1.068
H14 0.888 -2.332 1.068
H15 -0.888 -2.332 1.068

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13 H14 H15
O11.47081.47082.39842.39842.12512.12512.12512.12513.36943.36942.61942.61942.61942.6194
C21.47082.43601.53503.74351.10031.10032.70132.70132.17914.58972.15882.15884.00254.0025
C31.47082.43603.74351.53502.70132.70131.10031.10034.58972.17914.00254.00252.15882.1588
C42.39841.53503.74354.78562.18432.18434.08994.08991.09485.76661.09291.09294.84884.8488
C52.39843.74351.53504.78564.08994.08992.18432.18435.76661.09484.84884.84881.09291.0929
H62.12511.10032.70132.18434.08991.77962.49853.06752.53264.81143.07882.51384.23914.5967
H72.12511.10032.70132.18434.08991.77963.06752.49852.53264.81142.51383.07884.59674.2391
H82.12512.70131.10034.08992.18432.49853.06751.77964.81142.53264.59674.23912.51383.0788
H92.12512.70131.10034.08992.18433.06752.49851.77964.81142.53264.23914.59673.07882.5138
H103.36942.17914.58971.09485.76662.53262.53264.81144.81146.69821.78501.78505.86705.8670
H113.36944.58972.17915.76661.09484.81144.81142.53262.53266.69825.86705.86701.78501.7850
H122.61942.15884.00251.09294.84883.07882.51384.59674.23911.78505.86701.77574.98994.6632
H132.61942.15884.00251.09294.84882.51383.07884.23914.59671.78505.86701.77574.66324.9899
H142.61944.00252.15884.84881.09294.23914.59672.51383.07885.86701.78504.98994.66321.7757
H152.61944.00252.15884.84881.09294.59674.23913.07882.51385.86701.78504.66324.98991.7757

picture of Ethoxy ethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 C4 105.841 O1 C2 H6 110.663
O1 C2 H7 110.663 O1 C3 C5 105.841
O1 C3 H8 110.663 O1 C3 H9 110.663
C2 O1 C3 111.810 C2 C4 H10 110.800
C2 C4 H12 109.314 C2 C4 H13 109.314
C3 C5 H11 110.800 C3 C5 H14 109.314
C3 C5 H15 109.314 C4 C2 H6 110.884
C4 C2 H7 110.884 C5 C3 H8 110.884
C5 C3 H9 110.884 H6 C2 H7 107.933
H8 C3 H9 107.933 H10 C4 H12 109.358
H10 C4 H13 109.358 H11 C5 H14 109.358
H11 C5 H15 109.358 H12 C4 H13 108.663
H14 C5 H15 108.663
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability