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: B3LYP/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3LYP/6-311+G(3df,2p)
 hartrees
Energy at 0K-273.088485
Energy at 298.15K-273.101882
Nuclear repulsion energy264.066169
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 B3LYP/6-311+G(3df,2p)
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 3842 3716 21.26      
2 A 3117 3014 16.08      
3 A 3104 3002 24.80      
4 A 3094 2991 34.46      
5 A 3079 2977 85.88      
6 A 3075 2974 9.84      
7 A 3070 2969 9.19      
8 A 3021 2921 24.10      
9 A 3019 2919 47.20      
10 A 3014 2915 20.02      
11 A 2999 2900 11.31      
12 A 2943 2846 37.29      
13 A 1522 1472 7.47      
14 A 1510 1460 4.18      
15 A 1503 1453 11.95      
16 A 1497 1448 3.49      
17 A 1493 1444 3.08      
18 A 1491 1442 4.04      
19 A 1427 1380 7.00      
20 A 1410 1364 15.25      
21 A 1409 1363 4.05      
22 A 1402 1355 1.83      
23 A 1371 1326 5.52      
24 A 1344 1299 2.43      
25 A 1335 1291 10.99      
26 A 1267 1225 26.70      
27 A 1191 1152 3.49      
28 A 1177 1138 13.24      
29 A 1144 1106 7.55      
30 A 1090 1054 73.80      
31 A 1060 1025 15.61      
32 A 993 960 3.29      
33 A 966 934 2.10      
34 A 942 911 17.42      
35 A 933 903 3.22      
36 A 887 858 10.31      
37 A 783 758 1.62      
38 A 526 509 2.82      
39 A 460 445 9.01      
40 A 415 401 0.89      
41 A 368 356 1.87      
42 A 363 351 2.55      
43 A 283 274 2.42      
44 A 257 249 99.62      
45 A 238 230 4.78      
46 A 223 216 0.23      
47 A 209 202 0.48      
48 A 80 78 1.78      

Unscaled Zero Point Vibrational Energy (zpe) 35973.2 cm-1
Scaled (by 0.967) Zero Point Vibrational Energy (zpe) 34786.1 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 B3LYP/6-311+G(3df,2p)
ABC
0.14610 0.09918 0.06422

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-311+G(3df,2p)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.573 -1.152 0.063
H2 -2.545 -1.083 -0.428
H3 -1.111 -2.095 -0.221
H4 -1.748 -1.172 1.142
C5 1.652 1.060 -0.058
H6 1.316 2.014 0.347
H7 2.648 0.870 0.349
H8 1.741 1.152 -1.142
O9 1.246 -1.331 -0.126
H10 2.134 -1.425 0.227
C11 0.703 -0.077 0.308
H12 0.580 -0.101 1.401
C13 -0.691 0.042 -0.322
H14 -0.545 0.024 -1.408
C15 -1.380 1.358 0.055
H16 -1.469 1.458 1.140
H17 -0.848 2.232 -0.320
H18 -2.389 1.387 -0.358

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 H8 O9 H10 C11 H12 C13 H14 C15 H16 H17 H18
C11.09121.08761.09353.91224.29534.68834.21182.83053.72052.52872.74381.53262.14462.51692.82583.48112.6994
H21.09121.76721.76274.72745.01065.60224.88683.81104.73733.47943.75172.17122.48742.74793.17463.72572.4762
H31.08761.76721.76464.19704.80614.82084.41862.47923.34362.76433.07612.17962.49353.47413.82184.33563.7114
H41.09351.76271.76464.24004.49084.91084.77343.25483.99622.81042.57482.17493.06182.77722.64473.81153.0339
C53.91224.72744.19704.24001.08961.09261.09132.42652.54781.52602.15132.56862.77883.04863.36662.77344.0651
H64.29535.01064.80614.49081.08961.75631.77263.37943.53742.18002.47572.89293.24122.79022.94872.27543.8234
H74.68835.60224.82084.91081.09261.75631.76712.65202.35452.16332.51553.50493.74084.06804.23353.81145.1124
H84.21184.88684.41864.77341.09131.77261.76712.72782.94412.16603.06362.79682.56323.34943.95072.92374.2107
O92.83053.81102.47923.25482.42653.37942.65202.72780.96061.43342.07092.38212.58533.76264.09334.13714.5444
H103.72054.73733.34363.99622.54783.53742.35452.94410.96061.96732.35533.23043.45674.48594.70444.75045.3579
C112.52873.47942.76432.81041.52602.18002.16332.16601.43341.96731.10001.53492.12442.54242.78742.85203.4856
H122.74383.75173.07612.57482.15132.47572.51553.06362.07092.35531.10002.14593.02822.78942.58813.23193.7579
C131.53262.17122.17962.17492.56862.89293.50492.79682.38213.23041.53492.14591.09561.53272.17962.19572.1664
H142.14462.48742.49353.06182.77883.24123.74082.56322.58533.45672.12443.02821.09562.14883.06662.47982.5221
C152.51692.74793.47412.77723.04862.79024.06803.34943.76264.48592.54242.78941.53272.14881.09321.08961.0906
H162.82583.17463.82182.64473.36662.94874.23353.95074.09334.70442.78742.58812.17963.06661.09321.76521.7594
H173.48113.72574.33563.81152.77342.27543.81142.92374.13714.75042.85203.23192.19572.47981.08961.76521.7575
H182.69942.47623.71143.03394.06513.82345.11244.21074.54445.35793.48563.75792.16642.52211.09061.75941.7575

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 111.047 C1 C13 H14 108.219
C1 C13 C15 110.391 H2 C1 H3 108.401
H2 C1 H4 107.576 H2 C1 C13 110.560
H3 C1 H4 108.004 H3 C1 C13 111.452
H4 C1 C13 110.716 C5 C11 O9 110.117
C5 C11 H12 108.938 C5 C11 C13 114.101
H6 C5 H7 107.190 H6 C5 H8 108.739
H6 C5 C11 111.835 H7 C5 H8 108.023
H7 C5 C11 110.312 H8 C5 C11 110.604
O9 C11 H12 108.947 O9 C11 C13 106.687
H10 O9 C11 108.919 C11 C13 H14 106.521
C11 C13 C15 111.948 H12 C11 C13 107.918
C13 C15 H16 111.093 C13 C15 H17 112.617
C13 C15 H18 110.202 H14 C13 C15 108.539
H16 C15 H17 107.935 H16 C15 H18 107.345
H17 C15 H18 107.433
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.446      
2 H 0.142      
3 H 0.156      
4 H 0.143      
5 C -0.449      
6 H 0.155      
7 H 0.128      
8 H 0.154      
9 O -0.666      
10 H 0.228      
11 C 0.351      
12 H 0.133      
13 C -0.171      
14 H 0.138      
15 C -0.428      
16 H 0.147      
17 H 0.146      
18 H 0.138      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.734 1.094 0.750 1.516
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.189 0.132 -0.035
y 0.132 10.590 -0.002
z -0.035 -0.002 9.054


<r2> (average value of r2) Å2
<r2> 196.406
(<r2>)1/2 14.014