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

using model chemistry: PBE1PBE/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 PBE1PBE/6-31G*
 hartrees
Energy at 0K-233.390219
Energy at 298.15K-233.401440
HF Energy-233.390219
Nuclear repulsion energy199.750467
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 PBE1PBE/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' 3794 3606 7.65      
2 A' 3168 3010 45.28      
3 A' 3161 3004 5.52      
4 A' 3140 2983 53.71      
5 A' 3080 2927 8.87      
6 A' 3063 2911 30.64      
7 A' 1545 1468 8.36      
8 A' 1534 1458 4.77      
9 A' 1511 1436 0.02      
10 A' 1449 1377 5.33      
11 A' 1434 1363 37.86      
12 A' 1391 1322 24.34      
13 A' 1273 1210 59.33      
14 A' 1183 1124 60.50      
15 A' 1042 990 10.62      
16 A' 969 920 31.39      
17 A' 943 896 0.66      
18 A' 769 731 1.80      
19 A' 460 437 9.50      
20 A' 412 391 0.43      
21 A' 340 323 1.30      
22 A' 279 265 0.05      
23 A" 3166 3009 31.64      
24 A" 3160 3002 4.88      
25 A" 3134 2978 2.95      
26 A" 3059 2907 16.75      
27 A" 1525 1450 2.54      
28 A" 1507 1432 0.06      
29 A" 1499 1424 0.03      
30 A" 1421 1350 18.26      
31 A" 1285 1221 24.68      
32 A" 1058 1005 1.35      
33 A" 965 917 0.00      
34 A" 927 881 0.24      
35 A" 467 444 14.09      
36 A" 344 327 34.43      
37 A" 318 302 74.39      
38 A" 268 254 5.22      
39 A" 214 203 1.95      

Unscaled Zero Point Vibrational Energy (zpe) 30126.2 cm-1
Scaled (by 0.9503) Zero Point Vibrational Energy (zpe) 28628.9 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 PBE1PBE/6-31G*
ABC
0.15798 0.15717 0.15077

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.001 0.018 0.000
O2 -0.483 1.360 0.000
C3 1.516 0.147 0.000
C4 -0.483 -0.703 1.258
C5 -0.483 -0.703 -1.258
H6 -1.450 1.315 0.000
H7 1.993 -0.839 0.000
H8 1.848 0.697 -0.887
H9 1.848 0.697 0.887
H10 -0.089 -1.724 1.313
H11 -0.089 -1.724 -1.313
H12 -0.164 -0.157 2.151
H13 -1.579 -0.770 1.272
H14 -0.164 -0.157 -2.151
H15 -1.579 -0.770 -1.272

Atom - Atom Distances (Å)
  C1 O2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13 H14 H15
C11.42641.52241.52821.52821.94442.17032.15932.15932.18342.18342.16462.17492.16462.1749
O21.42642.33912.41662.41660.96733.31212.58062.58063.37533.37532.65182.71222.65182.7122
C31.52242.33912.51062.51063.18761.09481.09471.09472.79312.79312.74653.46982.74653.4698
C41.52822.41662.51062.51602.56662.78123.46292.74431.09582.79451.09481.09803.46762.7579
C51.52822.41662.51062.51602.56662.78122.74433.46292.79451.09583.46762.75791.09481.0980
H61.94440.96733.18762.56662.56664.06103.46973.46973.57903.57902.90632.44542.90632.4454
H72.17033.31211.09482.78122.78124.06101.77911.77912.61632.61633.12203.79293.12203.7929
H82.15932.58061.09473.46292.74433.46971.77911.77313.80133.12943.74214.30732.52473.7473
H92.15932.58061.09472.74433.46293.46971.77911.77313.12943.80132.52473.74733.74214.3073
H102.18343.37532.79311.09582.79453.57902.61633.80133.12942.62661.77871.76993.80333.1328
H112.18343.37532.79312.79451.09583.57902.61633.12943.80132.62663.80333.13281.77871.7699
H122.16462.65182.74651.09483.46762.90633.12203.74212.52471.77873.80331.77564.30273.7547
H132.17492.71223.46981.09802.75792.44543.79294.30733.74731.76993.13281.77563.75472.5438
H142.16462.65182.74653.46761.09482.90633.12202.52473.74213.80331.77874.30273.75471.7756
H152.17492.71223.46982.75791.09802.44543.79293.74734.30733.13281.76993.75472.54381.7756

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 33.760 C1 C5 H3 34.539
C1 C5 H4 34.597 C1 C9 H6 30.426
C1 C9 H7 66.061 C1 C9 H8 65.760
C1 C13 H10 66.289 C1 C13 H11 44.152
C1 C13 H12 65.544 C1 O15 H14 65.544
H2 C5 H3 56.645 H2 C5 H4 58.630
H3 C5 H4 59.929 C5 C1 C9 139.169
C5 C1 C13 94.659 C5 C1 O15 28.168
H6 C9 H7 95.985 H6 C9 H8 75.197
H7 C9 H8 60.112 C9 C1 C13 119.670
C9 C1 O15 167.214 H10 C13 H11 56.951
H10 C13 H12 60.224 H11 C13 H12 97.742
C13 C1 O15 71.578
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.244      
2 O -0.634      
3 C -0.506      
4 C -0.519      
5 C -0.519      
6 H 0.398      
7 H 0.164      
8 H 0.180      
9 H 0.180      
10 H 0.168      
11 H 0.168      
12 H 0.183      
13 H 0.155      
14 H 0.183      
15 H 0.155      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.864 -1.253 0.000 1.522
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.734 -1.425 0.000
y -1.425 -35.342 0.000
z 0.000 0.000 -33.024
Traceless
 xyz
x 4.449 -1.425 0.000
y -1.425 -3.962 0.000
z 0.000 0.000 -0.486
Polar
3z2-r2-0.973
x2-y25.607
xy-1.425
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.241 0.007 0.000
y 0.007 6.725 0.000
z 0.000 0.000 6.845


<r2> (average value of r2) Å2
<r2> 124.802
(<r2>)1/2 11.171