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

using model chemistry: HSEh1PBE/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HSEh1PBE/3-21G
 hartrees
Energy at 0K-232.139908
Energy at 298.15K-232.151164
HF Energy-232.139908
Nuclear repulsion energy198.585065
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 HSEh1PBE/3-21G
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' 3520 3391 1.25      
2 A' 3167 3051 32.98      
3 A' 3157 3041 7.35      
4 A' 3136 3020 41.01      
5 A' 3079 2966 7.23      
6 A' 3060 2948 24.28      
7 A' 1580 1522 14.79      
8 A' 1564 1507 9.36      
9 A' 1546 1489 0.05      
10 A' 1468 1414 5.62      
11 A' 1441 1389 31.38      
12 A' 1410 1358 26.37      
13 A' 1277 1230 42.59      
14 A' 1184 1140 66.86      
15 A' 1061 1022 13.01      
16 A' 954 919 1.04      
17 A' 944 909 29.45      
18 A' 750 723 2.43      
19 A' 441 425 9.96      
20 A' 397 383 0.62      
21 A' 342 329 2.93      
22 A' 282 272 0.04      
23 A" 3162 3046 25.73      
24 A" 3155 3039 1.91      
25 A" 3129 3014 3.25      
26 A" 3056 2944 12.39      
27 A" 1558 1501 4.73      
28 A" 1541 1485 0.09      
29 A" 1530 1474 0.11      
30 A" 1439 1386 24.13      
31 A" 1294 1246 35.77      
32 A" 1079 1040 1.43      
33 A" 999 962 0.01      
34 A" 938 904 0.01      
35 A" 440 424 11.03      
36 A" 345 333 67.00      
37 A" 326 314 60.36      
38 A" 270 260 2.51      
39 A" 221 213 2.22      

Unscaled Zero Point Vibrational Energy (zpe) 30121.3 cm-1
Scaled (by 0.9633) Zero Point Vibrational Energy (zpe) 29015.9 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 HSEh1PBE/3-21G
ABC
0.15583 0.15460 0.15010

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.001 0.007 0.000
O2 -0.482 1.387 0.000
C3 1.517 0.147 0.000
C4 -0.482 -0.716 1.261
C5 -0.482 -0.716 -1.261
H6 -1.474 1.344 0.000
H7 1.996 -0.837 0.000
H8 1.829 0.706 -0.888
H9 1.829 0.706 0.888
H10 -0.060 -1.725 1.317
H11 -0.060 -1.725 -1.317
H12 -0.177 -0.147 2.145
H13 -1.577 -0.802 1.261
H14 -0.177 -0.147 -2.145
H15 -1.577 -0.802 -1.261

Atom - Atom Distances (Å)
  C1 O2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13 H14 H15
C11.46181.52521.53121.53121.98892.16872.15152.15152.17692.17692.15732.17412.15732.1741
O21.46182.35342.45252.45250.99253.33062.56862.56863.40603.40602.65462.75322.65462.7532
C31.52522.35342.51682.51683.22201.09451.09451.09452.77972.77972.74873.47372.74873.4737
C41.53122.45252.51682.52212.61082.78363.46192.73981.09532.80101.09481.09813.46652.7505
C51.53122.45252.51682.52212.61082.78362.73983.46192.80101.09533.46652.75051.09481.0981
H61.98890.99253.22202.61082.61084.09873.47973.47973.62683.62682.91632.49072.91632.4907
H72.16873.33061.09452.78362.78364.09871.78821.78822.59802.59803.13003.78953.13003.7895
H82.15152.56861.09453.46192.73983.47971.78821.77553.78693.10843.73454.30062.51613.7441
H92.15152.56861.09452.73983.46193.47971.78821.77553.10843.78692.51613.74413.73454.3006
H102.17693.40602.77971.09532.80103.62682.59803.78693.10842.63501.78571.77733.80673.1310
H112.17693.40602.77972.80101.09533.62682.59803.10843.78692.63503.80673.13101.78571.7773
H122.15732.65462.74871.09483.46652.91633.13003.73452.51611.78573.80671.78124.28943.7401
H132.17412.75323.47371.09812.75052.49073.78954.30063.74411.77733.13101.78123.74012.5215
H142.15732.65462.74873.46651.09482.91633.13002.51613.73453.80671.78574.28943.74011.7812
H152.17412.75323.47372.75051.09812.49073.78953.74414.30063.13101.77733.74012.52151.7812

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 34.055 C1 C5 H3 34.491
C1 C5 H4 34.555 C1 C9 H6 31.390
C1 C9 H7 66.052 C1 C9 H8 65.630
C1 C13 H10 65.971 C1 C13 H11 44.013
C1 C13 H12 65.226 C1 O15 H14 65.226
H2 C5 H3 56.516 H2 C5 H4 59.057
H3 C5 H4 59.931 C5 C1 C9 139.519
C5 C1 C13 94.256 C5 C1 O15 28.240
H6 C9 H7 96.893 H6 C9 H8 75.219
H7 C9 H8 60.234 C9 C1 C13 119.893
C9 C1 O15 167.672 H10 C13 H11 57.262
H10 C13 H12 60.240 H11 C13 H12 97.810
C13 C1 O15 70.886
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability