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

using model chemistry: MP2/CEP-31G*

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-31G*
 hartrees
Energy at 0K-44.120929
Energy at 298.15K-44.132117
HF Energy-43.455396
Nuclear repulsion energy109.463418
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-31G*
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 3194 3033 48.10      
2 A1 3097 2941 3.11      
3 A1 3043 2889 131.47      
4 A1 1557 1478 0.89      
5 A1 1527 1450 6.42      
6 A1 1480 1405 2.57      
7 A1 1420 1349 0.90      
8 A1 1196 1136 19.88      
9 A1 1082 1027 15.74      
10 A1 871 827 6.50      
11 A1 442 419 0.07      
12 A1 194 184 0.92      
13 A2 3207 3045 0.00      
14 A2 3096 2939 0.00      
15 A2 1510 1434 0.00      
16 A2 1308 1242 0.00      
17 A2 1184 1125 0.00      
18 A2 823 782 0.00      
19 A2 257 244 0.00      
20 A2 93 88 0.00      
21 B1 3207 3045 72.48      
22 B1 3092 2935 131.85      
23 B1 1510 1434 11.07      
24 B1 1316 1249 1.13      
25 B1 1213 1152 13.79      
26 B1 840 797 1.83      
27 B1 263 250 1.88      
28 B1 118 112 5.88      
29 B2 3194 3032 24.14      
30 B2 3097 2940 46.44      
31 B2 3036 2883 11.00      
32 B2 1543 1465 1.75      
33 B2 1524 1447 0.61      
34 B2 1447 1374 49.35      
35 B2 1398 1327 37.75      
36 B2 1171 1111 173.79      
37 B2 1122 1065 1.51      
38 B2 961 912 6.10      
39 B2 426 405 4.18      

Unscaled Zero Point Vibrational Energy (zpe) 30529.8 cm-1
Scaled (by 0.9494) Zero Point Vibrational Energy (zpe) 28985.0 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-31G*
ABC
0.58715 0.07373 0.06899

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.286
C2 0.000 1.182 -0.528
C3 0.000 -1.182 -0.528
C4 0.000 2.396 0.411
C5 0.000 -2.396 0.411
H6 0.898 1.188 -1.183
H7 -0.898 1.188 -1.183
H8 0.898 -1.188 -1.183
H9 -0.898 -1.188 -1.183
H10 0.000 3.332 -0.177
H11 0.000 -3.332 -0.177
H12 -0.896 2.377 1.053
H13 0.896 2.377 1.053
H14 0.896 -2.377 1.053
H15 -0.896 -2.377 1.053

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13 H14 H15
O11.43511.43512.39922.39922.09172.09172.09172.09173.36403.36402.65402.65402.65402.6540
C21.43512.36351.53493.69881.11131.11132.61752.61752.17884.52742.17592.17593.99643.9964
C31.43512.36353.69881.53492.61752.61751.11131.11134.52742.17883.99643.99642.17592.1759
C42.39921.53493.69884.79182.19182.19184.02384.02381.10535.75801.10321.10324.89894.8989
C52.39923.69881.53494.79184.02384.02382.19182.19185.75801.10534.89894.89891.10321.1032
H62.09171.11132.61752.19184.02381.79662.37632.97902.53264.71703.10392.53244.20854.5752
H72.09171.11132.61752.19184.02381.79662.97902.37632.53264.71702.53243.10394.57524.2085
H82.09172.61751.11134.02382.19182.37632.97901.79664.71702.53264.57524.20852.53243.1039
H92.09172.61751.11134.02382.19182.97902.37631.79664.71702.53264.20854.57523.10392.5324
H103.36402.17884.52741.10535.75802.53262.53264.71704.71706.66411.79701.79705.90875.9087
H113.36404.52742.17885.75801.10534.71704.71702.53262.53266.66415.90875.90871.79701.7970
H122.65402.17593.99641.10324.89893.10392.53244.57524.20851.79705.90871.79295.08124.7544
H132.65402.17593.99641.10324.89892.53243.10394.20854.57521.79705.90871.79294.75445.0812
H142.65403.99642.17594.89891.10324.20854.57522.53243.10395.90871.79705.08124.75441.7929
H152.65403.99642.17594.89891.10324.57524.20853.10392.53245.90871.79704.75445.08121.7929

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 107.713 O1 C2 H6 109.804
O1 C2 H7 109.804 O1 C3 C5 107.713
O1 C3 H8 109.804 O1 C3 H9 109.804
C2 O1 C3 110.862 C2 C4 H10 110.162
C2 C4 H12 110.058 C2 C4 H13 110.058
C3 C5 H11 110.162 C3 C5 H14 110.058
C3 C5 H15 110.058 C4 C2 H6 110.828
C4 C2 H7 110.828 C5 C3 H8 110.828
C5 C3 H9 110.828 H6 C2 H7 107.867
H8 C3 H9 107.867 H10 C4 H12 108.911
H10 C4 H13 108.911 H11 C5 H14 108.911
H11 C5 H15 108.911 H12 C4 H13 108.705
H14 C5 H15 108.705
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability