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: B1B95/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B1B95/6-311G**
 hartrees
Energy at 0K-272.905914
Energy at 298.15K-272.919350
Nuclear repulsion energy265.429037
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 B1B95/6-311G**
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 3875 3720 21.39      
2 A 3153 3027 15.63      
3 A 3137 3012 23.97      
4 A 3126 3001 35.07      
5 A 3112 2988 97.06      
6 A 3110 2985 8.03      
7 A 3106 2982 8.20      
8 A 3042 2921 27.34      
9 A 3040 2919 47.77      
10 A 3037 2916 19.60      
11 A 3030 2910 7.00      
12 A 2960 2841 49.36      
13 A 1520 1460 6.80      
14 A 1504 1444 4.87      
15 A 1494 1435 13.48      
16 A 1489 1429 5.17      
17 A 1483 1424 4.64      
18 A 1482 1423 5.02      
19 A 1422 1365 9.68      
20 A 1409 1353 6.45      
21 A 1400 1344 13.62      
22 A 1393 1337 8.80      
23 A 1367 1312 5.96      
24 A 1339 1285 0.53      
25 A 1327 1274 17.63      
26 A 1267 1217 24.41      
27 A 1192 1145 7.14      
28 A 1180 1133 13.38      
29 A 1153 1107 4.98      
30 A 1106 1062 88.10      
31 A 1088 1045 6.54      
32 A 985 946 4.79      
33 A 970 931 3.43      
34 A 958 920 11.70      
35 A 925 888 0.53      
36 A 904 867 8.14      
37 A 790 758 1.84      
38 A 521 500 4.20      
39 A 462 443 8.82      
40 A 407 391 1.93      
41 A 379 364 0.86      
42 A 355 341 6.70      
43 A 301 289 6.03      
44 A 271 260 98.69      
45 A 239 229 2.16      
46 A 222 213 0.04      
47 A 206 198 0.45      
48 A 81 78 1.59      

Unscaled Zero Point Vibrational Energy (zpe) 36157.7 cm-1
Scaled (by 0.9601) Zero Point Vibrational Energy (zpe) 34715.0 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 B1B95/6-311G**
ABC
0.14715 0.10080 0.06514

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-311G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.565 -1.142 0.074
H2 -2.534 -1.090 -0.428
H3 -1.090 -2.086 -0.185
H4 -1.750 -1.138 1.153
C5 1.638 1.054 -0.046
H6 1.295 2.007 0.359
H7 2.635 0.865 0.361
H8 1.728 1.143 -1.131
O9 1.234 -1.323 -0.145
H10 2.100 -1.430 0.251
C11 0.698 -0.086 0.309
H12 0.567 -0.117 1.403
C13 -0.687 0.039 -0.322
H14 -0.533 0.009 -1.407
C15 -1.360 1.358 0.044
H16 -1.431 1.471 1.130
H17 -0.825 2.222 -0.350
H18 -2.375 1.389 -0.354

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 H8 O9 H10 C11 H12 C13 H14 C15 H16 H17 H18
C11.09201.08841.09443.88534.26374.66404.18552.81333.68112.50862.71431.52452.14112.50822.82173.47102.6916
H21.09201.77101.76494.70564.98705.58204.86223.78514.69573.46333.73062.16752.48402.75533.19433.72812.4850
H31.08841.77101.76734.16184.76854.78374.38912.44613.28592.72813.02452.16802.48923.46203.80794.32013.7092
H41.09441.76491.76734.20924.44884.88524.74483.25883.96522.79482.54502.16563.05752.75842.62853.79573.0078
C53.88534.70564.16184.20921.09071.09331.09212.41292.54401.51932.14822.55112.76643.01403.31272.74254.0386
H64.26374.98704.76854.44881.09071.75971.77593.36823.53142.17662.47522.87443.23272.75122.88322.24603.7899
H74.66405.58204.78374.88521.09331.75971.76802.64732.35952.15852.51453.49003.72714.03694.18173.78355.0877
H84.18554.86224.38914.74481.09211.77591.76802.70142.94422.15513.05832.77552.54393.31043.89842.87914.1830
O92.81333.78512.44613.25882.41293.36822.64732.70140.95871.42262.07252.36112.54693.73434.06594.10474.5190
H103.68114.69573.28593.96522.54403.53142.35952.94420.95871.94352.32433.20223.42804.44784.65384.71775.3237
C112.50863.46332.72812.79481.51932.17662.15852.15511.42261.94351.10211.52652.11362.52702.76212.84263.4724
H122.71433.73063.02452.54502.14822.47522.51453.05832.07252.32431.10212.13813.02012.78072.56663.23773.7435
C131.52452.16752.16802.16562.55112.87443.49002.77552.36113.20221.52652.13811.09651.52442.17052.18762.1617
H142.14112.48402.48923.05752.76643.23273.72712.54392.54693.42802.11363.02011.09652.14633.06262.46962.5309
C152.50822.75533.46202.75843.01402.75124.03693.31043.73434.44782.52702.78071.52442.14631.09431.09081.0914
H162.82173.19433.80792.62853.31272.88324.18173.89844.06594.65382.76212.56662.17053.06261.09431.76761.7615
H173.47103.72814.32013.79572.74252.24603.78352.87914.10474.71772.84263.23772.18762.46961.09081.76761.7603
H182.69162.48503.70923.00784.03863.78995.08774.18304.51905.32373.47243.74352.16172.53091.09141.76151.7603

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 110.613 C1 C13 H14 108.448
C1 C13 C15 110.700 H2 C1 H3 108.636
H2 C1 H4 107.655 H2 C1 C13 110.787
H3 C1 H4 108.119 H3 C1 C13 111.042
H4 C1 C13 110.490 C5 C11 O9 110.165
C5 C11 H12 109.033 C5 C11 C13 113.769
H6 C5 H7 107.357 H6 C5 H8 108.895
H6 C5 C11 111.969 H7 C5 H8 107.992
H7 C5 C11 110.350 H8 C5 C11 110.152
O9 C11 H12 109.698 O9 C11 C13 106.322
H10 O9 C11 107.808 C11 C13 H14 106.210
C11 C13 C15 111.844 H12 C11 C13 107.762
C13 C15 H16 110.886 C13 C15 H17 112.482
C13 C15 H18 110.360 H14 C13 C15 108.854
H16 C15 H17 107.981 H16 C15 H18 107.388
H17 C15 H18 107.542
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.309      
2 H 0.116      
3 H 0.143      
4 H 0.109      
5 C -0.318      
6 H 0.124      
7 H 0.107      
8 H 0.130      
9 O -0.393      
10 H 0.239      
11 C 0.005      
12 H 0.116      
13 C -0.254      
14 H 0.143      
15 C -0.328      
16 H 0.119      
17 H 0.126      
18 H 0.126      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.843 0.903 0.817 1.481
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.424 -0.937 2.002
y -0.937 -41.842 -1.230
z 2.002 -1.230 -39.899
Traceless
 xyz
x 4.446 -0.937 2.002
y -0.937 -3.681 -1.230
z 2.002 -1.230 -0.766
Polar
3z2-r2-1.531
x2-y25.418
xy-0.937
xz2.002
yz-1.230


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.240 0.133 0.095
y 0.133 9.467 -0.012
z 0.095 -0.012 8.284


<r2> (average value of r2) Å2
<r2> 193.721
(<r2>)1/2 13.918