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

using model chemistry: HF/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 HF/CEP-121G
 hartrees
Energy at 0K-43.366899
Energy at 298.15K-43.378276
HF Energy-43.366899
Nuclear repulsion energy109.677768
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 HF/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 3241 2957 83.97      
2 A1 3157 2880 2.05      
3 A1 3131 2857 142.66      
4 A1 1674 1528 1.09      
5 A1 1638 1495 7.37      
6 A1 1579 1441 3.64      
7 A1 1546 1411 1.04      
8 A1 1271 1160 18.54      
9 A1 1132 1033 13.23      
10 A1 911 831 11.63      
11 A1 450 410 0.32      
12 A1 194 177 1.11      
13 A2 3260 2975 0.00      
14 A2 3171 2893 0.00      
15 A2 1620 1478 0.00      
16 A2 1396 1274 0.00      
17 A2 1270 1159 0.00      
18 A2 886 808 0.00      
19 A2 251 229 0.00      
20 A2 89 81 0.00      
21 B1 3261 2975 137.83      
22 B1 3177 2899 135.55      
23 B1 1621 1479 11.18      
24 B1 1406 1283 3.97      
25 B1 1297 1184 19.66      
26 B1 901 822 0.25      
27 B1 259 236 3.09      
28 B1 107 97 9.84      
29 B2 3240 2957 43.28      
30 B2 3154 2878 79.67      
31 B2 3120 2847 1.01      
32 B2 1661 1515 4.38      
33 B2 1636 1493 1.90      
34 B2 1556 1420 25.57      
35 B2 1508 1376 69.77      
36 B2 1242 1133 229.18      
37 B2 1198 1093 6.95      
38 B2 1018 929 10.52      
39 B2 449 410 4.00      

Unscaled Zero Point Vibrational Energy (zpe) 31837.5 cm-1
Scaled (by 0.9125) Zero Point Vibrational Energy (zpe) 29051.7 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 HF/CEP-121G
ABC
0.58089 0.07319 0.06830

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.221
C2 0.000 1.222 -0.538
C3 0.000 -1.222 -0.538
C4 0.000 2.391 0.445
C5 0.000 -2.391 0.445
H6 0.882 1.253 -1.178
H7 -0.882 1.253 -1.178
H8 0.882 -1.253 -1.178
H9 -0.882 -1.253 -1.178
H10 0.000 3.338 -0.090
H11 0.000 -3.338 -0.090
H12 -0.879 2.349 1.079
H13 0.879 2.349 1.079
H14 0.879 -2.349 1.079
H15 -0.879 -2.349 1.079

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13 H14 H15
O11.43881.43882.40112.40112.07512.07512.07512.07513.35263.35262.65092.65092.65092.6509
C21.43882.44461.52663.74421.09041.09042.70462.70462.16284.58242.15792.15794.01774.0177
C31.43882.44463.74421.52662.70462.70461.09041.09044.58242.16284.01774.01772.15792.1579
C42.40111.52663.74424.78142.16932.16934.08504.08501.08775.75371.08491.08494.86234.8623
C52.40113.74421.52664.78144.08504.08502.16932.16935.75371.08774.86234.86231.08491.0849
H62.07511.09042.70462.16934.08501.76432.50593.06472.51214.80013.06552.50894.25074.6012
H72.07511.09042.70462.16934.08501.76433.06472.50592.51214.80012.50893.06554.60124.2507
H82.07512.70461.09044.08502.16932.50593.06471.76434.80012.51214.60124.25072.50893.0655
H92.07512.70461.09044.08502.16933.06472.50591.76434.80012.51214.25074.60123.06552.5089
H103.35262.16284.58241.08775.75372.51212.51214.80014.80016.67631.76531.76535.87235.8723
H113.35264.58242.16285.75371.08774.80014.80012.51212.51216.67635.87235.87231.76531.7653
H122.65092.15794.01771.08494.86233.06552.50894.60124.25071.76535.87231.75865.01674.6983
H132.65092.15794.01771.08494.86232.50893.06554.25074.60121.76535.87231.75864.69835.0167
H142.65094.01772.15794.86231.08494.25074.60122.50893.06555.87231.76535.01674.69831.7586
H152.65094.01772.15794.86231.08494.60124.25073.06552.50895.87231.76534.69835.01671.7586

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 108.096 O1 C2 H6 109.487
O1 C2 H7 109.487 O1 C3 C5 108.096
O1 C3 H8 109.487 O1 C3 H9 109.487
C2 O1 C3 116.316 C2 C4 H10 110.519
C2 C4 H12 110.295 C2 C4 H13 110.295
C3 C5 H11 110.519 C3 C5 H14 110.295
C3 C5 H15 110.295 C4 C2 H6 110.876
C4 C2 H7 110.876 C5 C3 H8 110.876
C5 C3 H9 110.876 H6 C2 H7 108.006
H8 C3 H9 108.006 H10 C4 H12 108.689
H10 C4 H13 108.689 H11 C5 H14 108.689
H11 C5 H15 108.689 H12 C4 H13 108.295
H14 C5 H15 108.295
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.448      
2 C -0.003      
3 C -0.003      
4 C -0.430      
5 C -0.430      
6 H 0.111      
7 H 0.111      
8 H 0.111      
9 H 0.111      
10 H 0.131      
11 H 0.131      
12 H 0.152      
13 H 0.152      
14 H 0.152      
15 H 0.152      


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 -1.705 1.705
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.522 0.000 0.000
y 0.000 8.335 0.000
z 0.000 0.000 6.715


<r2> (average value of r2) Å2
<r2> 149.150
(<r2>)1/2 12.213