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

using model chemistry: MP2/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 2 yes C1 1A

Conformer 1 (CS)

Jump to S1C2
Vibrational Frequencies calculated at MP2/6-311G**
Rotational Constants (cm-1) from geometry optimized at MP2/6-311G**
See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-311G**
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C1)

Jump to S1C1
Energy calculated at MP2/6-311G**
 hartrees
Energy at 0K-233.041107
Energy at 298.15K-233.052406
HF Energy-232.220603
Nuclear repulsion energy199.776294
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 MP2/6-311G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A 3871 3679 16.24      
2 A 3177 3018 44.65      
3 A 3175 3017 30.72      
4 A 3170 3012 3.18      
5 A 3169 3011 2.64      
6 A 3152 2995 50.80      
7 A 3146 2989 2.47      
8 A 3077 2924 9.15      
9 A 3064 2911 24.97      
10 A 3060 2908 15.84      
11 A 1536 1459 9.46      
12 A 1526 1450 5.08      
13 A 1517 1441 2.95      
14 A 1504 1429 0.09      
15 A 1498 1423 0.00      
16 A 1490 1416 0.03      
17 A 1438 1367 4.13      
18 A 1424 1353 34.62      
19 A 1412 1341 20.40      
20 A 1384 1315 19.86      
21 A 1290 1226 18.28      
22 A 1271 1208 41.74      
23 A 1189 1130 58.00      
24 A 1060 1007 1.16      
25 A 1044 992 8.95      
26 A 968 920 0.01      
27 A 968 920 32.82      
28 A 949 902 1.20      
29 A 933 886 0.00      
30 A 770 732 2.25      
31 A 475 451 19.24      
32 A 467 444 10.38      
33 A 416 396 0.23      
34 A 347 330 23.50      
35 A 346 329 1.17      
36 A 318 302 71.59      
37 A 287 273 0.02      
38 A 272 259 4.82      
39 A 195 186 1.98      

Unscaled Zero Point Vibrational Energy (zpe) 30176.3 cm-1
Scaled (by 0.9502) Zero Point Vibrational Energy (zpe) 28673.5 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 MP2/6-311G**
ABC
0.15793 0.15697 0.15092

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-311G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.006 -0.000 0.015
H2 1.739 1.266 -0.216
H3 0.202 2.146 -0.095
H4 0.638 1.307 -1.605
C5 0.683 1.258 -0.512
H6 -1.969 0.887 0.070
H7 -1.969 -0.888 0.069
H8 -1.616 0.000 -1.433
C9 -1.485 -0.000 -0.347
H10 0.202 -2.146 -0.095
H11 1.739 -1.265 -0.216
H12 0.638 -1.308 -1.605
C13 0.683 -1.258 -0.512
H14 0.953 0.000 1.696
O15 0.024 0.000 1.447

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 H8 C9 H10 H11 H12 C13 H14 O15
C12.16792.15932.17861.52812.15512.15512.16541.52272.15932.16792.17861.52811.93621.4324
H22.16791.77561.77301.09643.73834.29743.78703.46613.74402.53103.12452.75132.42392.7028
H32.15931.77561.78171.09342.51533.73463.11542.74194.29293.74403.79483.46342.89462.6484
H42.17861.77301.78171.09463.12673.79702.61142.79243.79473.12432.61492.78863.56463.3759
C51.52811.09641.09341.09462.74083.46082.77832.51243.46342.75122.78872.51572.55602.4194
H62.15513.73832.51533.12672.74081.77511.78071.09353.73454.29743.79703.46083.46042.5804
H72.15514.29743.73463.79703.46081.77511.78071.09352.51523.73833.12652.74073.46052.5805
H82.16543.78703.11542.61142.77831.78071.78071.09393.11563.78702.61142.77844.04943.3145
C91.52273.46612.74192.79242.51241.09351.09351.09392.74203.46612.79242.51243.18162.3446
H102.15933.74404.29293.79473.46343.73452.51523.11562.74201.77551.78171.09342.89462.6484
H112.16792.53103.74403.12432.75124.29743.73833.78703.46611.77551.77301.09642.42412.7029
H122.17863.12453.79482.61492.78873.79703.12652.61142.79241.78171.77301.09463.56473.3759
C131.52812.75133.46342.78862.51573.46082.74072.77842.51241.09341.09641.09462.55602.4194
H141.93622.42392.89463.56462.55603.46043.46054.04943.18162.89462.42413.56472.55600.9618
O151.43242.70282.64843.37592.41942.58042.58053.31452.34462.64842.70293.37592.41940.9618

picture of Ethanol, 1,1-dimethyl- state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C5 H2 110.302 C1 C5 H3 109.796
C1 C5 H4 111.257 C1 C9 H6 109.835
C1 C9 H7 109.836 C1 C9 H8 110.632
C1 C13 H10 109.795 C1 C13 H11 110.303
C1 C13 H12 111.258 C1 O15 H14 106.271
H2 C5 H3 108.350 H2 C5 H4 108.036
H3 C5 H4 109.031 C5 C1 C9 110.877
C5 C1 C13 110.801 C5 C1 O15 109.575
H6 C9 H7 108.517 H6 C9 H8 108.990
H7 C9 H8 108.991 C9 C1 C13 110.877
C9 C1 O15 104.969 H10 C13 H11 108.348
H10 C13 H12 109.029 H11 C13 H12 108.036
C13 C1 O15 109.575
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability