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

using model chemistry: HF/STO-3G

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/STO-3G
 hartrees
Energy at 0K-229.300980
Energy at 298.15K-229.312159
HF Energy-229.300980
Nuclear repulsion energy188.293781
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/STO-3G
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 3758 3069 0.90      
2 A1 3574 2918 0.21      
3 A1 3540 2890 15.36      
4 A1 1853 1513 0.05      
5 A1 1825 1490 3.48      
6 A1 1748 1428 0.65      
7 A1 1691 1380 2.21      
8 A1 1398 1142 10.96      
9 A1 1252 1023 1.13      
10 A1 1042 850 0.00      
11 A1 506 413 0.09      
12 A1 215 176 0.40      
13 A2 3762 3071 0.00      
14 A2 3652 2982 0.00      
15 A2 1820 1486 0.00      
16 A2 1512 1234 0.00      
17 A2 1339 1093 0.00      
18 A2 946 772 0.00      
19 A2 226 185 0.00      
20 A2 110 90 0.00      
21 B1 3762 3071 1.67      
22 B1 3650 2981 24.12      
23 B1 1820 1486 2.28      
24 B1 1513 1235 1.36      
25 B1 1362 1112 20.41      
26 B1 963 786 0.41      
27 B1 232 190 1.63      
28 B1 116 95 3.65      
29 B2 3758 3069 0.66      
30 B2 3574 2918 1.08      
31 B2 3541 2891 3.46      
32 B2 1845 1507 4.73      
33 B2 1824 1489 2.15      
34 B2 1732 1415 9.82      
35 B2 1654 1351 95.70      
36 B2 1417 1157 8.72      
37 B2 1272 1039 0.61      
38 B2 1116 911 0.02      
39 B2 461 376 1.64      

Unscaled Zero Point Vibrational Energy (zpe) 35689.9 cm-1
Scaled (by 0.8165) Zero Point Vibrational Energy (zpe) 29140.8 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 HF/STO-3G
ABC
0.60315 0.07312 0.06854

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/STO-3G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.304
C2 0.000 1.175 -0.521
C3 0.000 -1.175 -0.521
C4 0.000 2.413 0.398
C5 0.000 -2.413 0.398
H6 0.883 1.196 -1.171
H7 -0.883 1.196 -1.171
H8 0.883 -1.196 -1.171
H9 -0.883 -1.196 -1.171
H10 0.000 3.320 -0.199
H11 0.000 -3.320 -0.199
H12 -0.881 2.412 1.032
H13 0.881 2.412 1.032
H14 0.881 -2.412 1.032
H15 -0.881 -2.412 1.032

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13 H14 H15
O11.43541.43542.41462.41462.09462.09462.09462.09463.35813.35812.66892.66892.66892.6689
C21.43542.34931.54163.70311.09731.09732.61202.61202.16964.50642.17192.17194.00624.0062
C31.43542.34933.70311.54162.61202.61201.09731.09734.50642.16964.00624.00622.17192.1719
C42.41461.54163.70314.82562.17332.17334.03284.03281.08585.76391.08551.08554.94534.9453
C52.41463.70311.54164.82564.03284.03282.17332.17335.76391.08584.94534.94531.08551.0855
H62.09461.09732.61202.17334.03281.76662.39152.97322.49794.70323.07342.51644.22714.5806
H72.09461.09732.61202.17334.03281.76662.97322.39152.49794.70322.51643.07344.58064.2271
H82.09462.61201.09734.03282.17332.39152.97321.76664.70322.49794.58064.22712.51643.0734
H92.09462.61201.09734.03282.17332.97322.39151.76664.70322.49794.22714.58063.07342.5164
H103.35812.16964.50641.08585.76392.49792.49794.70324.70326.64041.76501.76505.92855.9285
H113.35814.50642.16965.76391.08584.70324.70322.49792.49796.64045.92855.92851.76501.7650
H122.66892.17194.00621.08554.94533.07342.51644.58064.22711.76505.92851.76235.13564.8238
H132.66892.17194.00621.08554.94532.51643.07344.22714.58061.76505.92851.76234.82385.1356
H142.66894.00622.17194.94531.08554.22714.58062.51643.07345.92851.76505.13564.82381.7623
H152.66894.00622.17194.94531.08554.58064.22713.07342.51645.92851.76504.82385.13561.7623

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 108.351 O1 C2 H6 110.887
O1 C2 H7 110.887 O1 C3 C5 108.351
O1 C3 H8 110.887 O1 C3 H9 110.887
C2 O1 C3 109.837 C2 C4 H10 110.120
C2 C4 H12 110.322 C2 C4 H13 110.322
C3 C5 H11 110.120 C3 C5 H14 110.322
C3 C5 H15 110.322 C4 C2 H6 109.744
C4 C2 H7 109.744 C5 C3 H8 109.744
C5 C3 H9 109.744 H6 C2 H7 107.222
H8 C3 H9 107.222 H10 C4 H12 108.750
H10 C4 H13 108.750 H11 C5 H14 108.750
H11 C5 H15 108.750 H12 C4 H13 108.530
H14 C5 H15 108.530
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.251      
2 C 0.016      
3 C 0.016      
4 C -0.182      
5 C -0.182      
6 H 0.048      
7 H 0.048      
8 H 0.048      
9 H 0.048      
10 H 0.062      
11 H 0.062      
12 H 0.067      
13 H 0.067      
14 H 0.067      
15 H 0.067      


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 -1.173 1.173
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.874 0.000 0.000
y 0.000 -29.231 0.000
z 0.000 0.000 -31.278
Traceless
 xyz
x -0.620 0.000 0.000
y 0.000 1.845 0.000
z 0.000 0.000 -1.225
Polar
3z2-r2-2.451
x2-y2-1.643
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.134 0.000 0.000
y 0.000 4.626 0.000
z 0.000 0.000 3.245


<r2> (average value of r2) Å2
<r2> 178.421
(<r2>)1/2 13.357