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

using model chemistry: CBS-Q

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CBS-Q
 hartrees
Energy at 0K-233.234054
Energy at 298.15K-233.226367
Nuclear repulsion energy200.193537
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 CBS-Q
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 4099 4099 19.85      
2 A 3278 3278 54.16      
3 A 3276 3276 84.56      
4 A 3267 3267 7.12      
5 A 3265 3265 2.81      
6 A 3249 3249 79.09      
7 A 3240 3240 5.31      
8 A 3198 3198 7.70      
9 A 3183 3183 49.70      
10 A 3176 3176 20.31      
11 A 1655 1655 4.39      
12 A 1643 1643 4.16      
13 A 1635 1635 1.11      
14 A 1622 1622 0.02      
15 A 1621 1621 0.04      
16 A 1610 1610 0.00      
17 A 1568 1568 3.57      
18 A 1553 1553 27.60      
19 A 1543 1543 11.80      
20 A 1487 1487 47.53      
21 A 1375 1375 70.41      
22 A 1374 1374 26.47      
23 A 1267 1267 59.39      
24 A 1139 1139 3.02      
25 A 1120 1120 17.54      
26 A 1040 1040 0.00      
27 A 1038 1038 36.04      
28 A 1001 1001 0.05      
29 A 988 988 0.08      
30 A 797 797 2.42      
31 A 499 499 14.09      
32 A 493 493 10.69      
33 A 443 443 0.47      
34 A 366 366 33.65      
35 A 362 362 1.53      
36 A 345 345 111.65      
37 A 295 295 0.07      
38 A 288 288 2.19      
39 A 227 227 2.44      

Unscaled Zero Point Vibrational Energy (zpe) 31811.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 31811.0 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 CBS-Q
See section I.F.4 to change rotational constant units
Geometric Data calculated at CBS-Q Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.005 0.000 0.019
H2 1.736 1.280 -0.210
H3 0.207 2.150 -0.103
H4 0.650 1.311 -1.593
C5 0.687 1.261 -0.507
H6 -1.975 0.879 0.058
H7 -1.974 -0.881 0.058
H8 -1.617 -0.001 -1.432
C9 -1.485 -0.001 -0.352
H10 0.210 -2.150 -0.103
H11 1.737 -1.278 -0.210
H12 0.652 -1.311 -1.593
C13 0.688 -1.261 -0.507
H14 0.912 0.001 1.738
O15 0.019 0.000 1.433

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 H8 C9 H10 H11 H12 C13 H14 O15
C12.17352.16402.17911.53192.15732.15732.16881.52562.16392.17362.17921.53191.94831.4137
H22.17351.76201.75811.09043.74264.30213.79183.46953.75582.55873.13082.76462.47262.6993
H32.16401.76201.76591.08722.53113.73783.11772.74814.29973.75583.79393.46802.91682.6490
H42.17911.75811.76591.08803.13153.79722.62492.79693.79383.13042.62222.79233.58933.3575
C51.53191.09041.08721.08802.74803.46252.78532.51683.46792.76452.79252.52222.58452.4079
H62.15733.74262.53113.13152.74801.75941.76631.08683.73784.30223.79723.46253.45402.5769
H72.15734.30213.73783.79723.46251.75941.76631.08682.53113.74263.13112.74793.45412.5770
H82.16883.79183.11772.62492.78531.76631.76631.08803.11803.79192.62502.78544.05533.2990
C91.52563.46952.74812.79692.51681.08681.08681.08802.74823.46952.79682.51693.18022.3341
H102.16393.75584.29973.79383.46793.73782.53113.11802.74821.76201.76591.08722.91662.6489
H112.17362.55873.75583.13042.76454.30223.74263.79193.46951.76201.75811.09042.47282.6994
H122.17923.13083.79392.62222.79253.79723.13112.62502.79681.76591.75811.08803.58933.3575
C131.53192.76463.46802.79232.52223.46252.74792.78542.51691.08721.09041.08802.58462.4079
H141.94832.47262.91683.58932.58453.45403.45414.05533.18022.91662.47283.58932.58460.9434
O151.41372.69932.64903.35752.40792.57692.57703.29902.33412.64892.69943.35752.40790.9434

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 110.837 C1 C5 H3 110.269
C1 C5 H4 111.431 C1 C9 H6 110.202
C1 C9 H7 110.202 C1 C9 H8 111.055
C1 C13 H10 110.265 C1 C13 H11 110.838
C1 C13 H12 111.432 C1 O15 H14 109.888
H2 C5 H3 108.019 H2 C5 H4 107.619
H3 C5 H4 108.550 C5 C1 C9 110.804
C5 C1 C13 110.813 C5 C1 O15 109.593
H6 C9 H7 108.072 H6 C9 H8 108.617
H7 C9 H8 108.617 C9 C1 C13 110.805
C9 C1 O15 105.072 H10 C13 H11 108.019
H10 C13 H12 108.550 H11 C13 H12 107.619
C13 C1 O15 109.593
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability