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, 3-methyl-)

using model chemistry: MP2/LANL2DZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/LANL2DZ
 hartrees
Energy at 0K-271.663165
Energy at 298.15K-271.676337
HF Energy-271.101588
Nuclear repulsion energy251.407950
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 MP2/LANL2DZ
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' 3648 3514 6.04      
2 A' 3115 3000 111.30      
3 A' 3113 2999 64.22      
4 A' 3045 2932 43.45      
5 A' 3031 2919 19.69      
6 A' 3025 2913 54.69      
7 A' 3011 2900 10.50      
8 A' 1555 1498 0.35      
9 A' 1550 1493 10.61      
10 A' 1544 1487 17.17      
11 A' 1520 1464 3.40      
12 A' 1467 1413 2.75      
13 A' 1461 1407 8.29      
14 A' 1409 1357 0.97      
15 A' 1355 1305 13.64      
16 A' 1244 1198 18.20      
17 A' 1233 1188 12.09      
18 A' 1147 1105 19.36      
19 A' 1027 990 11.29      
20 A' 963 927 19.47      
21 A' 953 918 58.67      
22 A' 788 759 7.64      
23 A' 557 536 1.67      
24 A' 400 385 6.98      
25 A' 318 307 9.56      
26 A' 237 228 0.02      
27 A' 214 206 3.56      
28 A" 3112 2998 63.09      
29 A" 3109 2995 6.51      
30 A" 3105 2990 32.58      
31 A" 3080 2966 24.03      
32 A" 3009 2898 41.45      
33 A" 1540 1483 2.41      
34 A" 1528 1472 1.11      
35 A" 1444 1391 12.38      
36 A" 1394 1343 1.77      
37 A" 1337 1288 0.53      
38 A" 1250 1204 0.89      
39 A" 1188 1144 6.52      
40 A" 1020 983 0.05      
41 A" 988 952 0.00      
42 A" 948 913 0.82      
43 A" 820 790 0.45      
44 A" 367 353 0.00      
45 A" 254 244 164.74      
46 A" 214 206 6.40      
47 A" 96 92 0.40      
48 A" 34 33 16.92      

Unscaled Zero Point Vibrational Energy (zpe) 36383.0 cm-1
Scaled (by 0.9631) Zero Point Vibrational Energy (zpe) 35040.5 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 MP2/LANL2DZ
ABC
0.19358 0.05977 0.05361

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/LANL2DZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 1.235 -0.349 2.198
H2 1.235 -0.349 -2.198
H3 0.516 -1.726 -1.302
H4 0.516 -1.726 1.302
H5 2.289 -1.509 -1.329
H6 2.289 -1.509 1.329
H7 0.038 1.515 0.894
H8 0.038 1.515 -0.894
H9 -1.493 -0.487 -0.902
H10 -1.493 -0.487 0.902
C11 1.324 -0.971 -1.287
C12 1.324 -0.971 1.287
C13 0.000 0.862 0.000
C14 -1.369 0.141 0.000
H15 -3.305 0.848 0.000
O16 -2.396 1.229 0.000
H17 2.137 0.579 0.000
C18 1.248 -0.086 0.000

Atom - Atom Distances (Å)
  H1 H2 H3 H4 H5 H6 H7 H8 H9 H10 C11 C12 C13 C14 H15 O16 H17 C18
H14.39673.82971.79303.85971.79272.57123.80414.13193.02353.54191.10632.79753.44265.18414.52832.55112.2142
H24.39671.79303.82971.79273.85973.80412.57123.02354.13191.10633.54192.79753.44265.18414.52832.55112.2142
H33.82971.79302.60461.78703.18043.94413.30142.39393.22941.10622.81612.94322.95534.78744.34793.10432.2188
H41.79303.82972.60463.18041.78703.30143.94413.22942.39392.81611.10622.94322.95534.78744.34793.10432.2188
H53.85971.79271.78703.18042.65734.37673.79543.94134.50861.10612.84003.55414.22746.21435.58692.47982.2081
H61.79273.85973.18041.78702.65733.79544.37674.50863.94132.84001.10613.55414.22746.21435.58692.47982.2081
H72.57123.80413.94413.30144.37673.79541.78783.09462.52023.54862.82651.10742.15963.52352.60842.46592.1970
H83.80412.57123.30143.94413.79544.37671.78782.52023.09462.82653.54861.10742.15963.52352.60842.46592.1970
H94.13193.02352.39393.22943.94134.50863.09462.52021.80382.88433.60052.20551.10632.42462.13833.88912.9136
H103.02354.13193.22942.39394.50863.94132.52023.09461.80383.60052.88432.20551.10632.42462.13833.88912.9136
C113.54191.10631.10622.81611.10612.84003.54862.82652.88433.60052.57492.60233.18515.13744.50932.17261.5642
C121.10633.54192.81611.10622.84001.10612.82653.54863.60052.88432.57492.60233.18515.13744.50932.17261.5642
C132.79752.79752.94322.94323.55413.55411.10741.10742.20552.20552.60232.60231.54703.30482.42382.15541.5675
C143.44263.44262.95532.95534.22744.22742.15962.15961.10631.10633.18513.18511.54702.06111.49593.53252.6267
H155.18415.18414.78744.78746.21436.21433.52353.52352.42462.42465.13745.13743.30482.06110.98515.44814.6477
O164.52834.52834.34794.34795.58695.58692.60842.60842.13832.13834.50934.50932.42381.49590.98514.57903.8740
H172.55112.55113.10433.10432.47982.47982.46592.46593.88913.88912.17262.17262.15543.53255.44814.57901.1097
C182.21422.21422.21882.21882.20812.20812.19702.19702.91362.91361.56421.56421.56752.62674.64773.87401.1097

picture of 1-Butanol, 3-methyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 C12 H4 108.269 H1 C12 H6 108.247
H1 C12 C18 110.849 H2 C11 H3 108.269
H2 C11 H5 108.247 H2 C11 C18 110.849
H3 C11 H5 107.754 H3 C11 C18 111.217
H4 C12 H6 107.754 H4 C12 C18 111.217
H5 C11 C18 110.390 H6 C12 C18 110.390
H7 C13 H8 107.650 H7 C13 C14 107.746
H7 C13 C18 109.230 H8 C13 C14 107.746
H8 C13 C18 109.230 H9 C14 H10 109.232
H9 C14 C13 111.366 H9 C14 O16 109.610
H10 C14 C13 111.366 H10 C14 O16 109.610
C11 C18 C12 110.787 C11 C18 C13 112.391
C11 C18 H17 107.468 C12 C18 C13 112.391
C12 C18 H17 107.468 C13 C14 O16 105.591
C13 C18 H17 105.972 C14 C13 C18 114.992
C14 O16 H15 110.669
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability