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: PBEPBE/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at PBEPBE/cc-pVDZ
 hartrees
Energy at 0K-272.621297
Energy at 298.15K-272.634523
Nuclear repulsion energy262.690139
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 PBEPBE/cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A 3666 3645 9.89      
2 A 3081 3063 12.11      
3 A 3065 3047 21.25      
4 A 3056 3038 28.28      
5 A 3041 3023 74.28      
6 A 3039 3021 10.39      
7 A 3036 3019 3.54      
8 A 2966 2948 20.13      
9 A 2963 2946 41.53      
10 A 2961 2944 21.69      
11 A 2944 2927 18.26      
12 A 2851 2834 57.44      
13 A 1442 1434 6.47      
14 A 1428 1419 2.07      
15 A 1421 1413 10.25      
16 A 1416 1408 7.60      
17 A 1410 1401 3.65      
18 A 1407 1399 2.61      
19 A 1362 1354 10.26      
20 A 1346 1338 4.61      
21 A 1338 1330 8.20      
22 A 1331 1323 5.60      
23 A 1305 1297 4.65      
24 A 1286 1278 1.36      
25 A 1278 1271 17.91      
26 A 1223 1216 22.92      
27 A 1151 1144 6.10      
28 A 1138 1132 6.91      
29 A 1110 1104 1.56      
30 A 1062 1056 78.44      
31 A 1054 1048 13.48      
32 A 950 945 5.11      
33 A 934 929 5.61      
34 A 919 914 8.13      
35 A 895 889 0.23      
36 A 877 872 9.25      
37 A 768 763 1.67      
38 A 512 509 3.12      
39 A 447 445 7.72      
40 A 398 396 1.35      
41 A 357 355 3.26      
42 A 350 348 1.94      
43 A 277 276 5.94      
44 A 268 266 85.63      
45 A 238 236 0.31      
46 A 223 221 0.01      
47 A 209 208 0.30      
48 A 76 76 1.35      

Unscaled Zero Point Vibrational Energy (zpe) 34936.3 cm-1
Scaled (by 0.9942) Zero Point Vibrational Energy (zpe) 34733.7 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 PBEPBE/cc-pVDZ
ABC
0.14463 0.09872 0.06390

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.570 -1.155 0.066
H2 -2.547 -1.118 -0.457
H3 -1.068 -2.107 -0.186
H4 -1.775 -1.156 1.159
C5 1.662 1.058 -0.055
H6 1.320 2.038 0.333
H7 2.668 0.871 0.377
H8 1.774 1.131 -1.157
O9 1.236 -1.336 -0.139
H10 2.119 -1.429 0.268
C11 0.706 -0.079 0.312
H12 0.574 -0.094 1.426
C13 -0.694 0.045 -0.320
H14 -0.538 0.021 -1.424
C15 -1.384 1.365 0.050
H16 -1.480 1.471 1.153
H17 -0.843 2.254 -0.330
H18 -2.409 1.398 -0.372

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 H8 O9 H10 C11 H12 C13 H14 C15 H16 H17 H18
C11.10901.10571.11183.91964.31554.70824.23122.81953.70452.52982.75181.53562.16092.52692.84353.50812.7224
H21.10901.80021.79134.75625.05465.64424.92153.80294.73223.50103.78652.19282.50432.78893.23073.78092.5213
H31.10571.80021.79264.18214.81214.81084.41602.42953.28922.73983.05702.18892.51873.49463.84264.36923.7573
H41.11181.79131.79264.26554.52414.94634.81533.28404.00382.83452.59182.19093.09622.78152.64353.83563.0438
C53.91964.75624.18214.26551.10821.11081.10962.43382.54931.53072.16952.57852.79073.06383.39172.78914.0978
H64.31555.05464.81214.52411.10821.78371.80263.40863.55842.20492.50952.90793.25672.80142.97242.27233.8492
H74.70825.64424.81084.94631.11081.78371.79452.68162.36712.18112.53363.53173.77404.09564.26263.83895.1593
H84.23124.92154.41604.81531.10961.80261.79452.72252.94992.18203.10022.82282.57783.38904.00472.96494.2644
O92.81953.80292.42953.28402.43383.40862.68162.72250.97661.43682.10522.38052.57683.76814.11424.15284.5624
H103.70454.73223.28924.00382.54933.55842.36712.94990.97661.95402.34713.22973.46754.48594.70544.76325.3758
C112.52983.50102.73982.83451.53072.20492.18112.18201.43681.95401.12211.54132.13772.55422.80882.87283.5148
H122.75183.78653.05702.59182.16952.50952.53363.10022.10522.34711.12212.16243.06102.80262.59633.25573.7886
C131.53562.19282.18892.19092.57852.90793.53172.82282.38053.22971.54132.16241.11471.53462.19542.21342.1846
H142.16092.50432.51873.09622.79073.25673.77402.57782.57683.46752.13773.06101.11472.16663.10282.50462.5499
C152.52692.78893.49462.78153.06382.80144.09563.38903.76814.48592.55422.80261.53462.16661.11181.10811.1089
H162.84353.23073.84262.64353.39172.97244.26264.00474.11424.70542.80882.59632.19543.10281.11181.79361.7870
H173.50813.78094.36923.83562.78912.27233.83892.96494.15284.76322.87283.25572.21342.50461.10811.79361.7858
H182.72242.52133.75733.04384.09783.84925.15934.26444.56245.37583.51483.78862.18462.54991.10891.78701.7858

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 110.609 C1 C13 H14 108.189
C1 C13 C15 110.785 H2 C1 H3 108.747
H2 C1 H4 107.533 H2 C1 C13 110.996
H3 C1 H4 107.880 H3 C1 C13 110.885
H4 C1 C13 110.678 C5 C11 O9 110.158
C5 C11 H12 108.758 C5 C11 C13 114.142
H6 C5 H7 106.991 H6 C5 H8 108.738
H6 C5 C11 112.352 H7 C5 H8 107.838
H7 C5 C11 110.309 H8 C5 C11 110.449
O9 C11 H12 110.108 O9 C11 C13 106.082
H10 O9 C11 106.565 C11 C13 H14 106.075
C11 C13 C15 112.281 H12 C11 C13 107.518
C13 C15 H16 111.108 C13 C15 H17 112.772
C13 C15 H18 110.433 H14 C13 C15 108.692
H16 C15 H17 107.798 H16 C15 H18 107.163
H17 C15 H18 107.324
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.004      
2 H 0.020      
3 H 0.036      
4 H 0.018      
5 C -0.012      
6 H 0.030      
7 H 0.015      
8 H 0.034      
9 O -0.229      
10 H 0.132      
11 C 0.032      
12 H -0.010      
13 C -0.129      
14 H 0.004      
15 C -0.017      
16 H 0.025      
17 H 0.028      
18 H 0.027      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.863 0.750 0.703 1.342
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.547 -1.063 1.809
y -1.063 -41.612 -1.095
z 1.809 -1.095 -40.010
Traceless
 xyz
x 4.264 -1.063 1.809
y -1.063 -3.333 -1.095
z 1.809 -1.095 -0.931
Polar
3z2-r2-1.862
x2-y25.064
xy-1.063
xz1.809
yz-1.095


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.473 0.138 0.119
y 0.138 9.653 -0.014
z 0.119 -0.014 8.335


<r2> (average value of r2) Å2
<r2> 197.184
(<r2>)1/2 14.042