return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for C5H12O (2-Butanol, 3-methyl-)

using model chemistry: HF/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at HF/Def2TZVPP
 hartrees
Energy at 0K-271.298296
Energy at 298.15K-271.312131
HF Energy-271.298296
Nuclear repulsion energy265.503287
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 HF/Def2TZVPP
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 4181 3790 47.25      
2 A 3258 2953 26.38      
3 A 3245 2942 37.01      
4 A 3229 2926 56.15      
5 A 3215 2914 128.45      
6 A 3209 2908 18.33      
7 A 3200 2901 13.11      
8 A 3159 2863 41.34      
9 A 3157 2861 62.91      
10 A 3149 2855 19.64      
11 A 3147 2853 7.34      
12 A 3105 2815 37.17      
13 A 1638 1485 6.72      
14 A 1623 1472 2.66      
15 A 1619 1468 8.28      
16 A 1614 1463 4.11      
17 A 1608 1457 3.17      
18 A 1606 1456 2.96      
19 A 1553 1408 9.49      
20 A 1544 1400 4.83      
21 A 1539 1395 8.42      
22 A 1528 1385 3.01      
23 A 1497 1357 7.36      
24 A 1464 1327 1.36      
25 A 1451 1315 19.47      
26 A 1371 1243 39.41      
27 A 1289 1168 4.53      
28 A 1275 1156 33.55      
29 A 1247 1130 15.43      
30 A 1191 1080 73.03      
31 A 1148 1040 8.36      
32 A 1070 970 2.40      
33 A 1037 940 3.02      
34 A 1026 930 14.83      
35 A 1004 910 1.06      
36 A 950 861 5.54      
37 A 837 759 1.90      
38 A 563 510 3.65      
39 A 493 447 9.24      
40 A 442 401 1.21      
41 A 395 358 4.23      
42 A 389 353 2.31      
43 A 305 277 3.72      
44 A 285 259 112.53      
45 A 250 227 4.15      
46 A 242 219 0.04      
47 A 219 198 0.40      
48 A 84 76 1.58      

Unscaled Zero Point Vibrational Energy (zpe) 38325.0 cm-1
Scaled (by 0.9064) Zero Point Vibrational Energy (zpe) 34737.8 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 HF/Def2TZVPP
ABC
0.14800 0.09971 0.06475

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/Def2TZVPP

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.580 -1.149 0.066
H2 -2.549 -1.073 -0.414
H3 -1.132 -2.087 -0.221
H4 -1.748 -1.170 1.139
C5 1.658 1.051 -0.052
H6 1.333 1.994 0.362
H7 2.647 0.850 0.347
H8 1.747 1.152 -1.127
O9 1.263 -1.306 -0.134
H10 2.111 -1.425 0.248
C11 0.705 -0.081 0.302
H12 0.597 -0.123 1.384
C13 -0.695 0.039 -0.319
H14 -0.557 0.020 -1.397
C15 -1.390 1.350 0.053
H16 -1.466 1.460 1.131
H17 -0.877 2.218 -0.336
H18 -2.398 1.368 -0.344

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 H8 O9 H10 C11 H12 C13 H14 C15 H16 H17 H18
C11.08381.07841.08603.91624.29514.68424.21712.85373.70572.53292.74371.53032.13322.50572.81983.46282.6775
H21.08381.75261.74944.72635.00725.59224.88983.82854.71963.47583.74552.16372.47482.72563.15803.69212.4461
H31.07841.75261.75164.20264.80344.82024.42742.52063.34332.77013.06992.17252.48033.45733.81024.31433.6811
H41.08601.74941.75164.23744.48444.90204.76903.27173.96922.81172.58012.16723.04362.76722.64533.79663.0102
C53.91624.72634.20264.23741.08041.08531.08342.39122.53491.52142.13712.57512.78943.06483.36502.80534.0786
H64.29515.00724.80344.48441.08041.74291.76033.33803.50882.16882.46352.89783.25032.81502.95062.32773.8478
H74.68425.59224.82024.90201.08531.74291.75332.60712.33972.15442.49543.50283.74174.07894.23093.84155.1182
H84.21714.88984.42744.76901.08341.76031.75332.69452.94322.15573.04212.80242.58173.35783.93872.94104.2236
O92.85373.82852.52063.27172.39123.33802.60712.69450.93811.41492.03692.38172.58143.75834.08554.12764.5375
H103.70574.71963.34333.96922.53493.50882.33972.94320.93811.94622.29813.21493.45154.47184.67924.74795.3365
C112.53293.47582.77012.81171.52142.16882.15442.15571.41491.94621.08871.53562.11862.54902.78762.86243.4843
H122.74373.74553.06992.58012.13712.46352.49543.04212.03692.29811.08872.14363.01452.80872.61193.25733.7650
C131.53032.16372.17252.16722.57512.89783.50282.80242.38173.21491.53562.14361.08671.53012.17152.18722.1603
H142.13322.47482.48033.04362.78943.25033.74172.58172.58143.45152.11863.01451.08672.13663.04752.46212.5123
C152.50572.72563.45732.76723.06482.81504.07893.35783.75834.47182.54902.80871.53012.13661.08581.08111.0830
H162.81983.15803.81022.64533.36502.95064.23093.93874.08554.67922.78762.61192.17153.04751.08581.75251.7471
H173.46283.69214.31433.79662.80532.32773.84152.94104.12764.74792.86243.25732.18722.46211.08111.75251.7425
H182.67752.44613.68113.01024.07863.84785.11824.22364.53755.33653.48433.76502.16032.51231.08301.74711.7425

picture of 2-Butanol, 3-methyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C13 C11 111.414 C1 C13 H14 108.001
C1 C13 C15 109.918 H2 C1 H3 108.303
H2 C1 H4 107.458 H2 C1 C13 110.570
H3 C1 H4 108.051 H3 C1 C13 111.603
H4 C1 C13 110.713 C5 C11 O9 108.991
C5 C11 H12 108.790 C5 C11 C13 114.783
H6 C5 H7 107.179 H6 C5 H8 108.881
H6 C5 C11 111.815 H7 C5 H8 107.890
H7 C5 C11 110.362 H8 C5 C11 110.573
O9 C11 H12 108.186 O9 C11 C13 107.578
H10 O9 C11 109.950 C11 C13 H14 106.531
C11 C13 C15 112.499 H12 C11 C13 108.330
C13 C15 H16 111.083 C13 C15 H17 112.644
C13 C15 H18 110.352 H14 C13 C15 108.276
H16 C15 H17 107.955 H16 C15 H18 107.328
H17 C15 H18 107.253
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.214      
2 H 0.054      
3 H 0.088      
4 H 0.040      
5 C -0.214      
6 H 0.052      
7 H 0.043      
8 H 0.063      
9 O -0.423      
10 H 0.188      
11 C 0.244      
12 H 0.016      
13 C 0.120      
14 H 0.001      
15 C -0.233      
16 H 0.051      
17 H 0.061      
18 H 0.064      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.793 0.993 0.858 1.534
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.884 -0.828 2.089
y -0.828 -42.297 -1.328
z 2.089 -1.328 -39.949
Traceless
 xyz
x 4.239 -0.828 2.089
y -0.828 -3.881 -1.328
z 2.089 -1.328 -0.358
Polar
3z2-r2-0.717
x2-y25.413
xy-0.828
xz2.089
yz-1.328


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.018 0.100 0.037
y 0.100 9.415 -0.006
z 0.037 -0.006 8.242


<r2> (average value of r2) Å2
<r2> 194.681
(<r2>)1/2 13.953