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

using model chemistry: B3PW91/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B3PW91/6-31G*
 hartrees
Energy at 0K-233.576701
Energy at 298.15K-233.587895
Nuclear repulsion energy189.960671
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 B3PW91/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 3148 3012 35.82      
2 A1 3069 2936 7.59      
3 A1 2982 2852 110.51      
4 A1 1566 1498 0.72      
5 A1 1528 1462 4.18      
6 A1 1472 1408 5.98      
7 A1 1420 1359 0.53      
8 A1 1197 1145 23.40      
9 A1 1076 1029 11.51      
10 A1 873 835 5.69      
11 A1 443 424 0.04      
12 A1 193 185 0.71      
13 A2 3153 3016 0.00      
14 A2 3003 2873 0.00      
15 A2 1509 1444 0.00      
16 A2 1306 1250 0.00      
17 A2 1182 1131 0.00      
18 A2 824 789 0.00      
19 A2 255 244 0.00      
20 A2 105 100 0.00      
21 B1 3153 3016 54.63      
22 B1 3000 2870 140.73      
23 B1 1510 1444 11.16      
24 B1 1313 1256 3.07      
25 B1 1215 1162 13.01      
26 B1 837 800 1.37      
27 B1 259 248 1.51      
28 B1 107 103 4.12      
29 B2 3148 3012 17.92      
30 B2 3068 2935 28.26      
31 B2 2969 2840 10.41      
32 B2 1544 1477 3.86      
33 B2 1525 1459 2.96      
34 B2 1436 1374 42.23      
35 B2 1395 1335 47.81      
36 B2 1195 1143 205.54      
37 B2 1111 1063 3.30      
38 B2 960 918 3.65      
39 B2 434 415 3.21      

Unscaled Zero Point Vibrational Energy (zpe) 30240.0 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 28930.6 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 B3PW91/6-31G*
ABC
0.60134 0.07497 0.07018

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.261
C2 0.000 1.175 -0.518
C3 0.000 -1.175 -0.518
C4 0.000 2.373 0.412
C5 0.000 -2.373 0.412
H6 0.887 1.197 -1.176
H7 -0.887 1.197 -1.176
H8 0.887 -1.197 -1.176
H9 -0.887 -1.197 -1.176
H10 0.000 3.305 -0.163
H11 0.000 -3.305 -0.163
H12 -0.887 2.360 1.053
H13 0.887 2.360 1.053
H14 0.887 -2.360 1.053
H15 -0.887 -2.360 1.053

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13 H14 H15
O11.41021.41022.37742.37742.07052.07052.07052.07053.33253.33252.64222.64222.64222.6422
C21.41022.35081.51583.66781.10471.10472.61732.61732.15954.49492.15822.15823.96883.9688
C31.41022.35083.66781.51582.61732.61731.10471.10474.49492.15953.96883.96882.15822.1582
C42.37741.51583.66784.74542.16542.16544.00674.00671.09545.70711.09471.09474.85724.8572
C52.37743.66781.51584.74544.00674.00672.16542.16545.70711.09544.85724.85721.09471.0947
H62.07051.10472.61732.16544.00671.77372.39482.98012.50154.69993.07702.51444.19804.5573
H72.07051.10472.61732.16544.00671.77372.98012.39482.50154.69992.51443.07704.55734.1980
H82.07052.61731.10474.00672.16542.39482.98011.77374.69992.50154.55734.19802.51443.0770
H92.07052.61731.10474.00672.16542.98012.39481.77374.69992.50154.19804.55733.07702.5144
H103.33252.15954.49491.09545.70712.50152.50154.69994.69996.61091.77771.77775.86155.8615
H113.33254.49492.15955.70711.09544.69994.69992.50152.50156.61095.86155.86151.77771.7777
H122.64222.15823.96881.09474.85723.07702.51444.55734.19801.77775.86151.77355.04134.7190
H132.64222.15823.96881.09474.85722.51443.07704.19804.55731.77775.86151.77354.71905.0413
H142.64223.96882.15824.85721.09474.19804.55732.51443.07705.86151.77775.04134.71901.7735
H152.64223.96882.15824.85721.09474.55734.19803.07702.51445.86151.77774.71905.04131.7735

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 108.632 O1 C2 H6 110.236
O1 C2 H7 110.236 O1 C3 C5 108.632
O1 C3 H8 110.236 O1 C3 H9 110.236
C2 O1 C3 112.915 C2 C4 H10 110.549
C2 C4 H12 110.490 C2 C4 H13 110.490
C3 C5 H11 110.549 C3 C5 H14 110.490
C3 C5 H15 110.490 C4 C2 H6 110.470
C4 C2 H7 110.470 C5 C3 H8 110.470
C5 C3 H9 110.470 H6 C2 H7 106.794
H8 C3 H9 106.794 H10 C4 H12 108.522
H10 C4 H13 108.522 H11 C5 H14 108.522
H11 C5 H15 108.522 H12 C4 H13 108.196
H14 C5 H15 108.196
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.465     -0.411
2 C -0.050     0.306
3 C -0.050     0.306
4 C -0.522     -0.341
5 C -0.522     -0.341
6 H 0.139     -0.020
7 H 0.139     -0.022
8 H 0.139     -0.020
9 H 0.139     -0.022
10 H 0.165     0.084
11 H 0.165     0.084
12 H 0.181     0.100
13 H 0.181     0.099
14 H 0.181     0.099
15 H 0.181     0.100


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 -1.035 1.035
CHELPG        
AIM        
ESP 0.008 0.000 -1.019 1.019


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 0.000 0.000 0.000
y 0.000 0.000 0.000
z 0.000 0.000 0.000


<r2> (average value of r2) Å2
<r2> 176.020
(<r2>)1/2 13.267