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-51.387944
Energy at 298.15K-51.401227
Nuclear repulsion energy146.947177
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 3665 3571 3.26      
2 A 3101 3022 28.49      
3 A 3071 2993 96.38      
4 A 3064 2986 75.53      
5 A 3055 2977 62.17      
6 A 3021 2944 72.14      
7 A 3012 2936 44.84      
8 A 2986 2909 34.60      
9 A 2982 2906 25.99      
10 A 2976 2900 49.90      
11 A 2966 2890 19.60      
12 A 2947 2872 51.78      
13 A 1533 1494 6.47      
14 A 1529 1490 10.18      
15 A 1528 1489 4.53      
16 A 1523 1484 6.88      
17 A 1517 1479 6.80      
18 A 1509 1470 3.96      
19 A 1440 1403 2.79      
20 A 1432 1395 8.78      
21 A 1419 1383 5.97      
22 A 1391 1355 1.23      
23 A 1362 1327 1.43      
24 A 1333 1299 0.78      
25 A 1298 1265 5.20      
26 A 1254 1222 1.58      
27 A 1230 1199 22.83      
28 A 1188 1158 1.86      
29 A 1162 1132 4.31      
30 A 1114 1086 15.94      
31 A 1040 1014 4.46      
32 A 1038 1012 6.88      
33 A 997 972 101.78      
34 A 980 955 3.66      
35 A 928 905 1.50      
36 A 908 885 0.28      
37 A 822 801 4.95      
38 A 765 745 7.04      
39 A 481 469 7.96      
40 A 438 427 1.92      
41 A 382 372 2.01      
42 A 268 261 14.71      
43 A 263 256 88.86      
44 A 244 237 55.45      
45 A 223 218 1.93      
46 A 219 213 2.34      
47 A 108 105 6.05      
48 A 70 68 4.99      

Unscaled Zero Point Vibrational Energy (zpe) 35889.1 cm-1
Scaled (by 0.9745) Zero Point Vibrational Energy (zpe) 34974.0 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 B3LYP/CEP-121G
ABC
0.16042 0.07288 0.05467

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 -0.779 1.720 -0.024
H2 -1.822 1.650 -0.352
H3 -0.772 1.982 1.046
H4 -0.291 2.537 -0.573
O5 -2.137 -0.869 -0.264
H6 -2.655 -1.615 0.104
C7 -0.812 -0.793 0.384
H8 -0.929 -0.611 1.468
H9 -0.277 -1.744 0.241
C10 -0.040 0.376 -0.265
H11 -0.019 0.180 -1.349
C12 2.339 -0.739 -0.181
H13 3.377 -0.568 0.137
H14 2.016 -1.693 0.258
H15 2.338 -0.856 -1.274
C16 1.432 0.445 0.249
H17 1.873 1.381 -0.127
H18 1.429 0.531 1.349

Atom - Atom Distances (Å)
  C1 H2 H3 H4 O5 H6 C7 H8 H9 C10 H11 C12 H13 H14 H15 C16 H17 H18
C11.09491.10131.09902.93283.82772.54612.77143.51041.55252.16933.97454.74734.42014.23302.56672.67582.8597
H21.09491.77961.78222.54033.40042.74453.03713.77652.19202.53064.80125.67345.12574.94323.52113.71103.8364
H31.10131.77961.77743.42164.16762.85352.63243.84462.19863.09064.31174.95454.67964.80752.80222.95502.6542
H41.09901.78221.77743.88624.82503.50413.80574.35822.19732.49664.21994.85844.88924.34982.83212.49393.2682
O52.93282.54033.42163.88620.97961.47692.12692.11722.43872.60084.47925.53714.26594.58803.83774.60014.1573
H63.82773.40044.16764.82500.97962.03652.41712.38513.30673.50415.07806.12194.67355.23474.57855.43374.7785
C72.54612.74452.85353.50411.47692.03651.10471.10091.54432.14053.20234.20282.97043.56082.56673.49272.7768
H82.77143.03712.63243.80572.12692.41711.10471.79282.18353.06433.66294.50763.36254.27232.85923.79002.6234
H93.51043.77653.84464.35822.11722.38511.10091.79282.19282.50982.83433.84012.29333.15012.77753.81123.0525
C101.55252.19202.19862.19732.43873.30671.54432.18352.19281.10212.62913.56802.96302.86231.56082.16542.1887
H112.16932.53063.09062.49662.60083.50412.14053.06432.50981.10212.78803.78203.19862.57622.17542.55293.0831
C123.97454.80124.31174.21994.47925.07803.20233.66292.83432.62912.78801.09871.09841.09951.55302.17152.1869
H134.74735.67344.95454.85845.53716.12194.20284.50763.84013.56803.78201.09871.77001.77552.19652.47622.5441
H144.42015.12574.67964.88924.26594.67352.97043.36252.29332.96303.19861.09841.77001.77482.21653.10112.5458
H154.23304.94324.80754.34984.58805.23473.56084.27233.15012.86232.57621.09951.77551.77482.19932.55693.1036
C162.56673.52112.80222.83213.83774.57852.56672.85922.77751.56082.17541.55302.19652.21652.19931.10071.1033
H172.67583.71102.95502.49394.60015.43373.49273.79003.81122.16542.55292.17152.47623.10112.55691.10071.7602
H182.85973.83642.65423.26824.15734.77852.77682.62343.05252.18873.08312.18692.54412.54583.10361.10331.7602

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 110.601 C1 C10 H11 108.413
C1 C10 C16 111.060 H2 C1 H3 108.244
H2 C1 H4 108.650 H2 C1 C10 110.589
H3 C1 H4 107.761 H3 C1 C10 110.733
H4 C1 C10 110.768 O5 C7 H8 110.111
O5 C7 H9 109.573 O5 C7 C10 107.622
H6 O5 C7 110.353 C7 C10 H11 106.769
C7 C10 C16 111.505 H8 C7 H9 108.743
H8 C7 C10 109.914 H9 C7 C10 110.872
C10 C16 C12 115.207 C10 C16 H17 107.639
C10 C16 H18 109.279 H11 C10 C16 108.322
C12 C16 H17 108.627 C12 C16 H18 109.670
H13 C12 H14 107.341 H13 C12 H15 107.746
H13 C12 C16 110.692 H14 C12 H15 107.705
H14 C12 C16 112.303 H15 C12 C16 110.860
H17 C16 H18 106.004
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 -0.512      
2 H 0.181      
3 H 0.126      
4 H 0.139      
5 O -0.479      
6 H 0.331      
7 C -0.208      
8 H 0.113      
9 H 0.132      
10 C 0.094      
11 H 0.122      
12 C -0.492      
13 H 0.146      
14 H 0.138      
15 H 0.146      
16 C -0.231      
17 H 0.136      
18 H 0.118      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.673 -1.177 1.251 1.845
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.059 3.527 -3.075
y 3.527 -37.648 -1.770
z -3.075 -1.770 -40.786
Traceless
 xyz
x -1.842 3.527 -3.075
y 3.527 3.275 -1.770
z -3.075 -1.770 -1.433
Polar
3z2-r2-2.866
x2-y2-3.412
xy3.527
xz-3.075
yz-1.770


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.392 0.027 0.029
y 0.027 9.524 -0.117
z 0.029 -0.117 8.526


<r2> (average value of r2) Å2
<r2> 184.404
(<r2>)1/2 13.580