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: wB97X-D/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at wB97X-D/6-31+G**
 hartrees
Energy at 0K-272.930267
Energy at 298.15K-272.943798
HF Energy-272.930267
Nuclear repulsion energy264.334465
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 wB97X-D/6-31+G**
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 3926 3739 25.58      
2 A 3174 3023 15.83      
3 A 3157 3007 23.74      
4 A 3149 2999 33.86      
5 A 3133 2983 91.19      
6 A 3130 2981 9.92      
7 A 3125 2976 14.64      
8 A 3059 2913 52.90      
9 A 3056 2910 14.71      
10 A 3053 2907 25.70      
11 A 3052 2906 23.03      
12 A 2985 2843 48.72      
13 A 1535 1462 4.72      
14 A 1518 1446 7.15      
15 A 1515 1443 18.49      
16 A 1506 1435 5.42      
17 A 1502 1430 5.59      
18 A 1498 1427 2.17      
19 A 1441 1372 9.38      
20 A 1433 1365 5.54      
21 A 1428 1360 15.42      
22 A 1416 1349 7.55      
23 A 1377 1311 10.02      
24 A 1349 1285 7.10      
25 A 1346 1282 6.82      
26 A 1282 1220 28.17      
27 A 1203 1146 7.08      
28 A 1191 1134 17.08      
29 A 1167 1112 10.81      
30 A 1117 1064 87.83      
31 A 1093 1041 4.72      
32 A 1005 957 4.07      
33 A 979 932 6.85      
34 A 967 921 10.13      
35 A 942 897 2.49      
36 A 909 866 6.59      
37 A 800 762 1.95      
38 A 539 513 3.35      
39 A 472 449 9.47      
40 A 424 404 0.83      
41 A 383 364 0.37      
42 A 377 359 6.38      
43 A 298 284 10.18      
44 A 276 263 114.63      
45 A 243 232 0.55      
46 A 232 220 1.95      
47 A 208 198 0.48      
48 A 83 79 2.11      

Unscaled Zero Point Vibrational Energy (zpe) 36526.5 cm-1
Scaled (by 0.9523) Zero Point Vibrational Energy (zpe) 34784.2 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 wB97X-D/6-31+G**
ABC
0.14597 0.09983 0.06455

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-31+G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.577 -1.152 0.077
H2 -2.556 -1.085 -0.409
H3 -1.114 -2.100 -0.199
H4 -1.745 -1.156 1.162
C5 1.644 1.067 -0.042
H6 1.296 2.012 0.381
H7 2.646 0.881 0.361
H8 1.729 1.174 -1.129
O9 1.260 -1.323 -0.148
H10 2.129 -1.437 0.247
C11 0.704 -0.085 0.304
H12 0.581 -0.130 1.400
C13 -0.693 0.035 -0.323
H14 -0.549 0.007 -1.412
C15 -1.377 1.357 0.043
H16 -1.448 1.473 1.132
H17 -0.850 2.227 -0.357
H18 -2.395 1.380 -0.356

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 H8 O9 H10 C11 H12 C13 H14 C15 H16 H17 H18
C11.09491.09121.09743.91274.28454.69514.21812.85123.72102.52812.72971.53282.14852.51682.83173.48352.6954
H21.09491.77571.76974.73275.00525.61354.89653.83194.74353.48313.74502.17492.49452.74903.18543.72602.4705
H31.09121.77571.77204.20274.80214.83114.43512.49903.34042.76053.05182.18012.49613.47593.82794.33883.7119
H41.09741.76971.77204.22774.46034.90584.76883.28193.99022.80682.55332.17453.06682.77542.64633.81533.0264
C53.91274.73274.20274.22771.09311.09611.09502.42222.56671.52652.15442.56992.79403.03583.33222.76844.0634
H64.28455.00524.80214.46031.09311.76141.78073.37673.55102.18062.47742.89173.26222.77272.89532.27943.8171
H74.69515.61354.83114.90581.09611.76141.77392.65222.37752.16972.52273.51173.75674.06324.20763.81415.1163
H84.21814.89654.43514.76881.09501.78071.77392.72312.97832.16543.06792.79522.57503.32453.91052.89034.2009
O92.85123.83192.49903.28192.42223.37672.65222.72310.96141.43012.06852.38512.57603.76434.09724.13484.5506
H103.72104.74353.34043.99022.56673.55102.37752.97830.96141.96542.33113.23373.46504.48774.69544.76085.3636
C112.52813.48312.76052.80681.52652.18062.16972.16541.43011.96541.10351.53582.12642.54492.78262.86313.4909
H122.72973.74503.05182.55332.15442.47742.52273.06792.06852.33111.10352.14913.03332.80802.59973.26973.7713
C131.53282.17492.18012.17452.56992.89173.51172.79522.38513.23371.53582.14911.09901.53262.18032.19812.1695
H142.14852.49452.49613.06682.79403.26223.75672.57502.57603.46502.12643.03331.09902.15103.07092.47682.5318
C152.51682.74903.47592.77543.03582.77274.06323.32453.76434.48772.54492.80801.53262.15101.09721.09351.0943
H162.83173.18543.82792.64633.33222.89534.20763.91054.09724.69542.78262.59972.18033.07091.09721.77321.7667
H173.48353.72604.33883.81532.76842.27943.81412.89034.13484.76082.86313.26972.19812.47681.09351.77321.7627
H182.69542.47053.71193.02644.06343.81715.11634.20094.55065.36363.49093.77132.16952.53181.09431.76671.7627

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 110.949 C1 C13 H14 108.317
C1 C13 C15 110.379 H2 C1 H3 108.632
H2 C1 H4 107.653 H2 C1 C13 110.618
H3 C1 H4 108.126 H3 C1 C13 111.259
H4 C1 C13 110.440 C5 C11 O9 109.973
C5 C11 H12 108.943 C5 C11 C13 114.112
H6 C5 H7 107.149 H6 C5 H8 108.943
H6 C5 C11 111.632 H7 C5 H8 108.114
H7 C5 C11 110.577 H8 C5 C11 110.306
O9 C11 H12 108.771 O9 C11 C13 107.002
H10 O9 C11 108.957 C11 C13 H14 106.435
C11 C13 C15 112.067 H12 C11 C13 107.901
C13 C15 H16 110.924 C13 C15 H17 112.585
C13 C15 H18 110.243 H14 C13 C15 108.518
H16 C15 H17 108.078 H16 C15 H18 107.444
H17 C15 H18 107.363
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.603      
2 H 0.148      
3 H 0.184      
4 H 0.147      
5 C -0.572      
6 H 0.158      
7 H 0.143      
8 H 0.174      
9 O -0.540      
10 H 0.349      
11 C 0.091      
12 H 0.125      
13 C 0.145      
14 H 0.154      
15 C -0.568      
16 H 0.157      
17 H 0.151      
18 H 0.156      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.799 1.107 0.900 1.635
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.477 -0.724 2.221
y -0.724 -42.377 -1.407
z 2.221 -1.407 -40.234
Traceless
 xyz
x 4.828 -0.724 2.221
y -0.724 -4.022 -1.407
z 2.221 -1.407 -0.807
Polar
3z2-r2-1.614
x2-y25.900
xy-0.724
xz2.221
yz-1.407


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.327 0.091 -0.012
y 0.091 9.712 0.016
z -0.012 0.016 8.610


<r2> (average value of r2) Å2
<r2> 195.432
(<r2>)1/2 13.980