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All results from a given calculation for C4H10O (Ethanol, 1,1-dimethyl-)

using model chemistry: B2PLYP/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B2PLYP/6-31G*
 hartrees
Energy at 0K-233.385148
Energy at 298.15K-233.396430
HF Energy-233.151843
Nuclear repulsion energy199.284907
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 B2PLYP/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3746 3556 6.54      
2 A' 3170 3009 54.22      
3 A' 3163 3003 2.43      
4 A' 3143 2984 58.43      
5 A' 3089 2932 8.18      
6 A' 3072 2916 31.29      
7 A' 1566 1487 6.99      
8 A' 1555 1476 4.52      
9 A' 1536 1458 0.00      
10 A' 1471 1396 2.60      
11 A' 1451 1377 24.22      
12 A' 1404 1333 31.30      
13 A' 1277 1212 47.11      
14 A' 1191 1130 57.71      
15 A' 1055 1001 11.47      
16 A' 957 908 32.22      
17 A' 949 900 6.11      
18 A' 761 723 2.51      
19 A' 465 441 9.40      
20 A' 418 397 0.45      
21 A' 344 327 1.41      
22 A' 283 269 0.05      
23 A" 3171 3010 35.98      
24 A" 3163 3002 4.88      
25 A" 3137 2977 2.66      
26 A" 3067 2912 15.53      
27 A" 1548 1470 2.45      
28 A" 1532 1455 0.04      
29 A" 1525 1447 0.02      
30 A" 1443 1370 11.66      
31 A" 1297 1231 23.93      
32 A" 1072 1018 1.69      
33 A" 982 932 0.00      
34 A" 935 887 0.00      
35 A" 471 447 13.21      
36 A" 347 330 32.39      
37 A" 324 308 78.56      
38 A" 272 258 3.98      
39 A" 219 208 2.27      

Unscaled Zero Point Vibrational Energy (zpe) 30285.6 cm-1
Scaled (by 0.9492) Zero Point Vibrational Energy (zpe) 28747.1 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 B2PLYP/6-31G*
ABC
0.15710 0.15626 0.15001

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.001 0.012 0.000
O2 -0.485 1.366 0.000
C3 1.521 0.148 0.000
C4 -0.485 -0.706 1.262
C5 -0.485 -0.706 -1.262
H6 -1.454 1.322 0.000
H7 1.999 -0.835 0.000
H8 1.848 0.698 -0.886
H9 1.848 0.698 0.886
H10 -0.094 -1.726 1.317
H11 -0.094 -1.726 -1.317
H12 -0.163 -0.159 2.152
H13 -1.579 -0.767 1.274
H14 -0.163 -0.159 -2.152
H15 -1.579 -0.767 -1.274

Atom - Atom Distances (Å)
  C1 O2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13 H14 H15
C11.43811.52541.53111.53111.95762.17062.16012.16012.18332.18332.16502.17482.16502.1748
O21.43812.34642.42572.42570.97053.31912.58342.58343.38363.38362.65692.71512.65692.7151
C31.52542.34642.51852.51853.19811.09351.09291.09292.80242.80242.74963.47432.74963.4743
C41.53112.42572.51852.52372.57722.78953.46792.74891.09422.80101.09291.09623.47222.7630
C51.53112.42572.51852.52372.57722.78952.74893.46792.80101.09423.47222.76301.09291.0962
H61.95760.97053.19812.57722.57724.07193.47573.47573.58813.58812.91372.45002.91372.4500
H72.17063.31911.09352.78952.78954.07191.77711.77712.62882.62883.12503.79953.12503.7995
H82.16012.58341.09293.46792.74893.47571.77711.77113.80813.13623.74274.30832.52693.7479
H92.16012.58341.09292.74893.46793.47571.77711.77113.13623.80812.52693.74793.74274.3083
H102.18333.38362.80241.09422.80103.58812.62883.80813.13622.63421.77711.76863.80733.1373
H112.18333.38362.80242.80101.09423.58812.62883.13623.80812.63423.80733.13731.77711.7686
H122.16502.65692.74961.09293.47222.91373.12503.74272.52691.77713.80731.77334.30383.7570
H132.17482.71513.47431.09622.76302.45003.79954.30833.74791.76863.13731.77333.75702.5489
H142.16502.65692.74963.47221.09292.91373.12502.52693.74273.80731.77714.30383.75701.7733
H152.17482.71513.47432.76301.09622.45003.79953.74794.30833.13731.76863.75702.54891.7733

picture of Ethanol, 1,1-dimethyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C5 H2 33.971 C1 C5 H3 34.442
C1 C5 H4 34.499 C1 C9 H6 30.679
C1 C9 H7 66.081 C1 C9 H8 65.799
C1 C13 H10 66.308 C1 C13 H11 44.064
C1 C13 H12 65.592 C1 O15 H14 65.592
H2 C5 H3 56.626 H2 C5 H4 58.654
H3 C5 H4 59.932 C5 C1 C9 139.307
C5 C1 C13 94.824 C5 C1 O15 28.140
H6 C9 H7 96.235 H6 C9 H8 75.239
H7 C9 H8 60.112 C9 C1 C13 119.667
C9 C1 O15 167.269 H10 C13 H11 57.078
H10 C13 H12 60.228 H11 C13 H12 97.790
C13 C1 O15 71.748
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.296      
2 O -0.685      
3 C -0.451      
4 C -0.465      
5 C -0.465      
6 H 0.401      
7 H 0.144      
8 H 0.162      
9 H 0.162      
10 H 0.149      
11 H 0.149      
12 H 0.165      
13 H 0.137      
14 H 0.165      
15 H 0.137      


Electric dipole moments


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 7.166 -0.019 0.000
y -0.019 6.679 0.000
z 0.000 0.000 6.745


<r2> (average value of r2) Å2
<r2> 125.523
(<r2>)1/2 11.204