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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-231.357508
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 3031 25.59      
2 A1 3101 2959 2.72      
3 A1 3035 2897 73.63      
4 A1 1638 1564 0.01      
5 A1 1607 1533 5.79      
6 A1 1492 1424 7.74      
7 A1 1488 1421 0.01      
8 A1 1194 1139 8.69      
9 A1 1026 979 2.59      
10 A1 835 797 7.03      
11 A1 430 410 0.24      
12 A1 184 176 0.73      
13 A2 3188 3043 0.00      
14 A2 3065 2926 0.00      
15 A2 1589 1517 0.00      
16 A2 1350 1289 0.00      
17 A2 1206 1151 0.00      
18 A2 873 833 0.00      
19 A2 253 242 0.00      
20 A2 106 101 0.00      
21 B1 3188 3043 43.36      
22 B1 3065 2926 109.04      
23 B1 1589 1517 9.24      
24 B1 1348 1287 0.03      
25 B1 1237 1181 11.53      
26 B1 883 843 1.64      
27 B1 260 248 2.23      
28 B1 95 91 5.43      
29 B2 3176 3031 16.01      
30 B2 3100 2959 21.81      
31 B2 3030 2893 4.57      
32 B2 1623 1549 4.76      
33 B2 1605 1532 5.51      
34 B2 1490 1423 9.77      
35 B2 1422 1357 71.90      
36 B2 1153 1100 45.36      
37 B2 1093 1043 84.69      
38 B2 947 904 2.92      
39 B2 410 391 6.22      

Unscaled Zero Point Vibrational Energy (zpe) 30774.0 cm-1
Scaled (by 0.9545) Zero Point Vibrational Energy (zpe) 29373.8 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
0.56474 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
Charges from optimized geometry at MP2/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.498     -0.458
2 C -0.097     0.330
3 C -0.097     0.330
4 C -0.554     -0.343
5 C -0.554     -0.343
6 H 0.164     -0.020
7 H 0.164     -0.021
8 H 0.164     -0.020
9 H 0.164     -0.021
10 H 0.175     0.081
11 H 0.175     0.081
12 H 0.199     0.101
13 H 0.199     0.101
14 H 0.199     0.101
15 H 0.199     0.101


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -1.315 1.315
CHELPG        
AIM        
ESP 0.008 0.000 -1.313 1.313


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.694 0.000 0.000
y 0.000 -31.049 0.000
z 0.000 0.000 -33.855
Traceless
 xyz
x -1.242 0.000 0.000
y 0.000 2.726 0.000
z 0.000 0.000 -1.484
Polar
3z2-r2-2.968
x2-y2-2.645
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.887 0.000 0.000
y 0.000 8.019 0.000
z 0.000 0.000 6.053


<r2> (average value of r2) Å2
<r2> 180.382
(<r2>)1/2 13.431