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

using model chemistry: MP2/CEP-121G

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/CEP-121G
 hartrees
Energy at 0K-43.844674
Energy at 298.15K-43.855675
HF Energy-43.361659
Nuclear repulsion energy107.769502
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/CEP-121G
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 3082 3008 54.74      
2 A1 2980 2908 1.32      
3 A1 2940 2869 129.60      
4 A1 1552 1514 0.64      
5 A1 1524 1487 6.76      
6 A1 1459 1423 5.66      
7 A1 1435 1400 0.28      
8 A1 1164 1136 5.80      
9 A1 1037 1012 9.65      
10 A1 805 786 10.56      
11 A1 416 406 0.18      
12 A1 180 175 0.90      
13 A2 3102 3027 0.00      
14 A2 2998 2926 0.00      
15 A2 1508 1471 0.00      
16 A2 1273 1243 0.00      
17 A2 1156 1128 0.00      
18 A2 820 800 0.00      
19 A2 238 232 0.00      
20 A2 70 68 0.00      
21 B1 3102 3028 87.57      
22 B1 2998 2926 125.91      
23 B1 1508 1472 11.74      
24 B1 1279 1249 0.21      
25 B1 1188 1159 14.59      
26 B1 832 812 0.38      
27 B1 243 237 2.12      
28 B1 93 91 7.88      
29 B2 3082 3008 28.15      
30 B2 2979 2907 57.10      
31 B2 2933 2863 4.20      
32 B2 1539 1502 0.78      
33 B2 1521 1485 3.92      
34 B2 1449 1414 16.39      
35 B2 1390 1356 59.83      
36 B2 1109 1082 13.31      
37 B2 1082 1056 132.33      
38 B2 932 910 20.70      
39 B2 411 402 4.45      

Unscaled Zero Point Vibrational Energy (zpe) 29701.8 cm-1
Scaled (by 0.976) Zero Point Vibrational Energy (zpe) 28989.0 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/CEP-121G
ABC
0.56568 0.07087 0.06619

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-121G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.273
C2 0.000 1.238 -0.550
C3 0.000 -1.238 -0.550
C4 0.000 2.433 0.431
C5 0.000 -2.433 0.431
H6 0.902 1.244 -1.195
H7 -0.902 1.244 -1.195
H8 0.902 -1.244 -1.195
H9 -0.902 -1.244 -1.195
H10 0.000 3.385 -0.129
H11 0.000 -3.385 -0.129
H12 -0.895 2.396 1.070
H13 0.895 2.396 1.070
H14 0.895 -2.396 1.070
H15 -0.895 -2.396 1.070

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13 H14 H15
O11.48661.48662.43842.43842.12512.12512.12512.12513.40863.40862.67882.67882.67882.6788
C21.48662.47641.54573.80021.10871.10872.71892.71892.18734.64202.18302.18304.07814.0781
C31.48662.47643.80021.54572.71892.71891.10871.10874.64202.18734.07814.07812.18302.1830
C42.43841.54573.80024.86672.20652.20654.12084.12081.10405.84501.10091.10094.95274.9527
C52.43843.80021.54574.86674.12084.12082.20652.20655.84501.10404.95274.95271.10091.1009
H62.12511.10872.71892.20654.12081.80312.48893.07342.55524.83503.11212.54114.28744.6486
H72.12511.10872.71892.20654.12081.80313.07342.48892.55524.83502.54113.11214.64864.2874
H82.12512.71891.10874.12082.20652.48893.07341.80314.83502.55524.64864.28742.54113.1121
H92.12512.71891.10874.12082.20653.07342.48891.80314.83502.55524.28744.64863.11212.5411
H103.40862.18734.64201.10405.84502.55522.55524.83504.83506.76951.79421.79425.97115.9711
H113.40864.64202.18735.84501.10404.83504.83502.55522.55526.76955.97115.97111.79421.7942
H122.67882.18304.07811.10094.95273.11212.54114.64864.28741.79425.97111.79015.11474.7913
H132.67882.18304.07811.10094.95272.54113.11214.28744.64861.79425.97111.79014.79135.1147
H142.67884.07812.18304.95271.10094.28744.64862.54113.11215.97111.79425.11474.79131.7901
H152.67884.07812.18304.95271.10094.64864.28743.11212.54115.97111.79424.79135.11471.7901

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 107.042 O1 C2 H6 109.072
O1 C2 H7 109.072 O1 C3 C5 107.042
O1 C3 H8 109.072 O1 C3 H9 109.072
C2 O1 C3 112.801 C2 C4 H10 110.154
C2 C4 H12 110.005 C2 C4 H13 110.005
C3 C5 H11 110.154 C3 C5 H14 110.005
C3 C5 H15 110.005 C4 C2 H6 111.392
C4 C2 H7 111.392 C5 C3 H8 111.392
C5 C3 H9 111.392 H6 C2 H7 108.812
H8 C3 H9 108.812 H10 C4 H12 108.929
H10 C4 H13 108.929 H11 C5 H14 108.929
H11 C5 H15 108.929 H12 C4 H13 108.785
H14 C5 H15 108.785
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability