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

using model chemistry: MP2/cc-pVTZ

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/cc-pVTZ
Rotational Constants (cm-1) from geometry optimized at MP2/cc-pVTZ
See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/cc-pVTZ
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C1)

Jump to S1C1
Energy calculated at MP2/cc-pVTZ
 hartrees
Energy at 0K-233.201204
Energy at 298.15K-233.212427
Nuclear repulsion energy200.277605
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/cc-pVTZ
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 3827 3634 18.41      
2 A 3176 3015 34.91      
3 A 3174 3014 25.63      
4 A 3169 3009 3.82      
5 A 3168 3008 3.69      
6 A 3152 2993 44.25      
7 A 3146 2987 2.01      
8 A 3078 2922 9.80      
9 A 3064 2910 22.13      
10 A 3061 2907 14.62      
11 A 1530 1453 9.95      
12 A 1520 1443 3.73      
13 A 1512 1435 3.09      
14 A 1498 1422 0.05      
15 A 1494 1419 0.03      
16 A 1485 1410 0.03      
17 A 1423 1351 5.17      
18 A 1408 1337 35.35      
19 A 1397 1326 20.64      
20 A 1368 1299 18.04      
21 A 1278 1214 16.50      
22 A 1252 1189 40.53      
23 A 1169 1110 59.14      
24 A 1052 999 0.94      
25 A 1036 983 9.48      
26 A 958 910 0.00      
27 A 956 908 35.66      
28 A 940 893 1.30      
29 A 926 880 0.04      
30 A 766 727 2.62      
31 A 463 440 11.43      
32 A 456 433 9.22      
33 A 410 389 0.19      
34 A 341 324 14.29      
35 A 339 322 1.14      
36 A 305 289 65.83      
37 A 281 267 0.07      
38 A 263 249 19.82      
39 A 202 192 1.88      

Unscaled Zero Point Vibrational Energy (zpe) 30020.3 cm-1
Scaled (by 0.9495) Zero Point Vibrational Energy (zpe) 28504.2 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/cc-pVTZ
ABC
0.15845 0.15751 0.15213

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/cc-pVTZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.005 0.000 0.015
H2 -1.733 -1.264 -0.216
H3 -0.201 -2.140 -0.103
H4 -0.639 -1.297 -1.598
C5 -0.683 -1.253 -0.511
H6 1.963 -0.883 0.058
H7 1.963 0.883 0.058
H8 1.602 -0.000 -1.434
C9 1.477 -0.000 -0.352
H10 -0.201 2.140 -0.103
H11 -1.733 1.265 -0.216
H12 -0.639 1.297 -1.598
C13 -0.682 1.253 -0.510
H14 -0.942 -0.000 1.718
O15 -0.017 -0.000 1.448

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 H8 C9 H10 H11 H12 C13 H14 O15
C12.16152.15322.16751.52252.14862.14862.15671.51742.15322.16152.16751.52251.94831.4336
H22.16151.76821.76381.09133.72564.28353.76933.45293.73502.52893.10962.74362.44162.7040
H32.15321.76821.77161.08852.50763.72153.09882.73094.28023.73513.77343.45102.90602.6498
H42.16751.76381.77161.08973.11183.77682.59422.77683.77343.10942.59332.77223.57343.3690
C51.52251.09131.08851.08972.73093.44742.76452.50173.45102.74362.77232.50572.56932.4185
H62.14863.72562.50763.11182.73091.76681.77111.08853.72154.28353.77683.44743.46032.5757
H72.14864.28353.72153.77683.44741.76681.77111.08852.50753.72563.11162.73083.46042.5757
H82.15673.76933.09882.59422.76451.77111.77111.08893.09893.76942.59422.76454.05063.3062
C91.51743.45292.73092.77682.50171.08851.08851.08892.73103.45292.77672.50173.18402.3401
H102.15323.73504.28023.77343.45103.72152.50753.09892.73101.76821.77161.08852.90602.6497
H112.16152.52893.73513.10942.74364.28353.72563.76943.45291.76821.76381.09132.44172.7040
H122.16753.10963.77342.59332.77233.77683.11162.59422.77671.77161.76381.08973.57353.3690
C131.52252.74363.45102.77222.50573.44742.73082.76452.50171.08851.09131.08972.56942.4185
H141.94832.44162.90603.57342.56933.46033.46044.05063.18402.90602.44173.57352.56940.9633
O151.43362.70402.64983.36902.41852.57572.57573.30622.34012.64972.70403.36902.41850.9633

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 110.490 C1 C5 H3 109.997
C1 C5 H4 111.066 C1 C9 H6 109.982
C1 C9 H7 109.983 C1 C9 H8 110.609
C1 C13 H10 109.997 C1 C13 H11 110.492
C1 C13 H12 111.067 C1 O15 H14 107.112
H2 C5 H3 108.427 H2 C5 H4 107.941
H3 C5 H4 108.846 C5 C1 C9 110.759
C5 C1 C13 110.751 C5 C1 O15 109.761
H6 C9 H7 108.496 H6 C9 H8 108.863
H7 C9 H8 108.864 C9 C1 C13 110.759
C9 C1 O15 104.891 H10 C13 H11 108.425
H10 C13 H12 108.844 H11 C13 H12 107.942
C13 C1 O15 109.761
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability