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 (1-Butanol, 2-methyl-)

using model chemistry: B3LYP/CEP-121G*

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/CEP-121G*
 hartrees
Energy at 0K-51.463507
Energy at 298.15K-51.476732
Nuclear repulsion energy147.726749
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/CEP-121G*
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 3787 3671 10.86      
2 A 3109 3014 28.95      
3 A 3084 2990 80.72      
4 A 3075 2981 67.55      
5 A 3066 2973 58.49      
6 A 3032 2939 27.71      
7 A 3016 2924 137.23      
8 A 3011 2919 24.32      
9 A 3006 2914 21.82      
10 A 2998 2906 23.35      
11 A 2990 2899 11.30      
12 A 2954 2864 58.27      
13 A 1527 1480 1.79      
14 A 1521 1475 7.04      
15 A 1516 1470 9.11      
16 A 1512 1465 4.46      
17 A 1505 1459 7.50      
18 A 1496 1450 1.18      
19 A 1454 1409 2.53      
20 A 1421 1378 3.09      
21 A 1413 1370 4.64      
22 A 1387 1344 1.44      
23 A 1362 1320 3.51      
24 A 1325 1284 2.97      
25 A 1297 1257 13.32      
26 A 1263 1224 4.20      
27 A 1244 1206 37.63      
28 A 1175 1139 1.27      
29 A 1165 1129 4.19      
30 A 1112 1078 7.72      
31 A 1051 1019 79.67      
32 A 1026 994 0.33      
33 A 1013 982 25.53      
34 A 968 939 3.69      
35 A 922 894 1.39      
36 A 901 873 0.72      
37 A 815 790 3.87      
38 A 754 731 5.10      
39 A 483 469 7.97      
40 A 436 422 1.57      
41 A 380 369 2.13      
42 A 270 262 3.57      
43 A 267 259 73.39      
44 A 245 237 43.95      
45 A 228 221 2.62      
46 A 218 211 2.46      
47 A 111 108 4.52      
48 A 68 66 4.15      

Unscaled Zero Point Vibrational Energy (zpe) 35988.4 cm-1
Scaled (by 0.9694) Zero Point Vibrational Energy (zpe) 34887.2 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 B3LYP/CEP-121G*
ABC
0.16148 0.07384 0.05525

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-121G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.777 1.715 -0.023
H2 -1.816 1.661 -0.364
H3 -0.783 1.967 1.048
H4 -0.280 2.537 -0.556
O5 -2.120 -0.870 -0.259
H6 -2.592 -1.619 0.137
C7 -0.820 -0.792 0.364
H8 -0.921 -0.622 1.452
H9 -0.276 -1.739 0.218
C10 -0.043 0.376 -0.268
H11 -0.015 0.190 -1.354
C12 2.329 -0.731 -0.177
H13 3.362 -0.560 0.152
H14 2.007 -1.691 0.247
H15 2.342 -0.839 -1.271
C16 1.417 0.441 0.254
H17 1.861 1.380 -0.107
H18 1.407 0.517 1.353

Atom - Atom Distances (Å)
  C1 H2 H3 H4 O5 H6 C7 H8 H9 C10 H11 C12 H13 H14 H15 C16 H17 H18
C11.09491.10051.09852.92243.79902.53742.76703.49871.54592.16263.95584.72634.40694.21942.55162.66072.8460
H21.09491.77611.77862.55143.40722.74623.05103.77792.19152.52754.78895.65815.12094.93553.51013.69713.8270
H31.10051.77611.77483.39784.11852.84342.62393.83202.19333.08514.29664.93684.66964.79722.79232.94442.6442
H41.09851.77861.77483.88344.80573.49633.79744.34602.19262.49334.19864.83324.87334.33382.81562.47513.2516
O52.92242.55143.39783.88340.96951.44342.10362.09322.42202.59864.45145.50624.23804.57493.80654.57584.1185
H63.79903.40724.11854.80570.96951.96832.34852.32023.26203.48345.00996.04774.60115.18954.50855.37474.6941
C72.53742.74622.84343.49631.44341.96831.10571.10161.53942.13663.19544.19422.96873.55972.55683.48332.7665
H82.76703.05102.62393.79742.10362.34851.10571.78512.17403.05833.63684.47683.34204.25502.83373.76562.5936
H93.49873.77793.83204.34602.09322.32021.10161.78512.18352.50262.82133.82572.28433.14362.76103.79603.0356
C101.54592.19152.19332.19262.42203.26201.53942.17402.18351.10192.61913.55682.95662.85811.55192.15912.1803
H112.16262.52753.08512.49332.59863.48342.13663.05832.50261.10192.77963.77333.19212.57302.16782.54863.0759
C123.95584.78894.29664.19864.45145.00993.19543.63682.82132.61912.77961.09811.09751.09891.54632.16342.1794
H134.72635.65814.93684.83325.50626.04774.19424.47683.82573.55683.77331.09811.76741.77282.19052.46672.5352
H144.40695.12094.66964.87334.23804.60112.96873.34202.28432.95663.19211.09751.76741.77222.21213.09472.5413
H154.21944.93554.79724.33384.57495.18953.55974.25503.14362.85812.57301.09891.77281.77222.19522.55173.0982
C162.55163.51012.79232.81563.80654.50852.55682.83372.76101.55192.16781.54632.19052.21212.19521.10001.1022
H172.66073.69712.94442.47514.57585.37473.48333.76563.79602.15912.54862.16342.46673.09472.55171.10001.7561
H182.84603.82702.64423.25164.11854.69412.76652.59363.03562.18033.07592.17942.53522.54133.09821.10221.7561

picture of 1-Butanol, 2-methyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C10 C7 110.654 C1 C10 H11 108.349
C1 C10 C16 110.908 H2 C1 H3 107.992
H2 C1 H4 108.369 H2 C1 C10 111.013
H3 C1 H4 107.627 H3 C1 C10 110.823
H4 C1 C10 110.889 O5 C7 H8 110.522
O5 C7 H9 109.940 O5 C7 C10 108.535
H6 O5 C7 107.697 C7 C10 H11 106.810
C7 C10 C16 111.602 H8 C7 H9 107.947
H8 C7 C10 109.456 H9 C7 C10 110.441
C10 C16 C12 115.418 C10 C16 H17 107.798
C10 C16 H18 109.294 H11 C10 C16 108.350
C12 C16 H17 108.502 C12 C16 H18 109.603
H13 C12 H14 107.213 H13 C12 H15 107.590
H13 C12 C16 110.716 H14 C12 H15 107.580
H14 C12 C16 112.480 H15 C12 C16 111.040
H17 C16 H18 105.774
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-121G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.573      
2 H 0.195      
3 H 0.142      
4 H 0.161      
5 O -0.563      
6 H 0.398      
7 C -0.178      
8 H 0.118      
9 H 0.139      
10 C 0.057      
11 H 0.142      
12 C -0.546      
13 H 0.169      
14 H 0.154      
15 H 0.160      
16 C -0.272      
17 H 0.158      
18 H 0.139      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.502 -1.048 1.050 1.566
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -40.813 3.415 -2.638
y 3.415 -37.862 -1.702
z -2.638 -1.702 -40.531
Traceless
 xyz
x -1.617 3.415 -2.638
y 3.415 2.810 -1.702
z -2.638 -1.702 -1.194
Polar
3z2-r2-2.387
x2-y2-2.951
xy3.415
xz-2.638
yz-1.702


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.538 -0.093 0.000
y -0.093 9.736 -0.107
z 0.000 -0.107 8.667


<r2> (average value of r2) Å2
<r2> 182.680
(<r2>)1/2 13.516