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=FULL/6-31G*

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=FULL/6-31G*
 hartrees
Energy at 0K-272.040055
Energy at 298.15K-272.053619
HF Energy-271.174581
Nuclear repulsion energy256.881653
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=FULL/6-31G*
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' 3775 3557 22.76      
2 A' 3189 3005 53.66      
3 A' 3186 3002 44.99      
4 A' 3104 2925 21.79      
5 A' 3099 2920 24.28      
6 A' 3084 2906 13.43      
7 A' 3065 2888 35.52      
8 A' 1596 1503 1.63      
9 A' 1575 1484 9.37      
10 A' 1572 1481 9.63      
11 A' 1553 1463 2.64      
12 A' 1505 1418 4.18      
13 A' 1480 1394 4.88      
14 A' 1418 1336 2.21      
15 A' 1383 1303 23.44      
16 A' 1283 1208 33.66      
17 A' 1253 1181 3.66      
18 A' 1161 1094 3.58      
19 A' 1099 1035 82.79      
20 A' 1039 979 8.73      
21 A' 996 938 11.52      
22 A' 831 783 5.16      
23 A' 574 541 1.18      
24 A' 417 393 6.63      
25 A' 336 316 6.32      
26 A' 270 255 0.01      
27 A' 222 209 2.54      
28 A" 3187 3002 12.34      
29 A" 3184 3000 4.62      
30 A" 3158 2975 37.22      
31 A" 3110 2930 56.47      
32 A" 3095 2916 8.78      
33 A" 1563 1473 1.45      
34 A" 1551 1461 0.64      
35 A" 1462 1377 9.37      
36 A" 1419 1337 0.41      
37 A" 1361 1282 0.19      
38 A" 1283 1208 0.01      
39 A" 1222 1151 4.24      
40 A" 1047 987 0.66      
41 A" 1001 944 0.01      
42 A" 960 904 1.05      
43 A" 818 771 0.00      
44 A" 381 359 0.09      
45 A" 303 285 126.16      
46 A" 258 243 2.74      
47 A" 113 107 0.01      
48 A" 61 58 10.90      

Unscaled Zero Point Vibrational Energy (zpe) 37299.7 cm-1
Scaled (by 0.9422) Zero Point Vibrational Energy (zpe) 35143.7 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 MP2=FULL/6-31G*
ABC
0.20183 0.06259 0.05613

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 1.227 -0.338 2.163
H2 1.227 -0.338 -2.163
H3 0.485 -1.686 -1.286
H4 0.485 -1.686 1.286
H5 2.239 -1.500 -1.292
H6 2.239 -1.500 1.292
H7 0.038 1.498 0.879
H8 0.038 1.498 -0.879
H9 -1.464 -0.481 -0.887
H10 -1.464 -0.481 0.887
C11 1.294 -0.950 -1.258
C12 1.294 -0.950 1.258
C13 0.000 0.844 0.000
C14 -1.352 0.157 0.000
H15 -3.208 0.775 0.000
O16 -2.333 1.197 0.000
H17 2.101 0.568 0.000
C18 1.219 -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
H14.32643.77701.77063.78351.77022.53663.74714.07012.98153.47591.09452.75363.40205.05824.43922.50322.1779
H24.32641.77063.77701.77023.78353.74712.53662.98154.07011.09453.47592.75363.40205.05824.43922.50322.1779
H33.77701.77062.57281.76383.12413.87643.24092.32583.15811.09412.76942.87942.90244.62044.23143.05752.1802
H41.77063.77702.57283.12411.76383.24093.87643.15812.32582.76941.09412.87942.90244.62044.23143.05752.1802
H53.78351.77021.76383.12412.58454.30693.74243.86214.41601.09442.77483.48994.16066.04295.46322.44312.1707
H61.77023.78353.12411.76382.58453.74244.30694.41603.86212.77481.09443.48994.16066.04295.46322.44312.1707
H72.53663.74713.87643.24094.30693.74241.75813.04872.48503.48362.77711.09632.12233.43982.54652.42752.1623
H83.74712.53663.24093.87643.74244.30691.75812.48503.04872.77713.48361.09632.12233.43982.54652.42752.1623
H94.07012.98152.32583.15813.86214.41603.04872.48501.77432.82203.52522.16521.09862.32522.08773.82092.8533
H102.98154.07013.15812.32584.41603.86212.48503.04871.77433.52522.82202.16521.09862.32522.08773.82092.8533
C113.47591.09451.09412.76941.09442.77483.48362.77712.82203.52522.51572.54443.13164.98244.39812.13031.5278
C121.09453.47592.76941.09412.77481.09442.77713.48363.52522.82202.51572.54443.13164.98244.39812.13031.5278
C132.75362.75362.87942.87943.48993.48991.09631.09632.16522.16522.54442.54441.51673.20882.35952.11891.5329
C143.40203.40202.90242.90244.16064.16062.12232.12231.09861.09863.13163.13161.51671.95631.42973.47742.5820
H155.05825.05824.62044.62046.04296.04293.43983.43982.32522.32524.98244.98243.20881.95630.97155.31304.5096
O164.43924.43924.23144.23145.46325.46322.54652.54652.08772.08774.39814.39812.35951.42970.97154.47823.7761
H172.50322.50323.05753.05752.44312.44312.42752.42753.82093.82092.13032.13032.11893.47745.31304.47821.0984
C182.17792.17792.18022.18022.17072.17072.16232.16232.85332.85331.52781.52781.53292.58204.50963.77611.0984

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 107.992 H1 C12 H6 107.948
H1 C12 C18 111.230 H2 C11 H3 107.992
H2 C11 H5 107.948 H2 C11 C18 111.230
H3 C11 H5 107.405 H3 C11 C18 111.438
H4 C12 H6 107.405 H4 C12 C18 111.438
H5 C11 C18 110.666 H6 C12 C18 110.666
H7 C13 H8 106.615 H7 C13 C14 107.531
H7 C13 C18 109.534 H8 C13 C14 107.531
H8 C13 C18 109.534 H9 C14 H10 107.713
H9 C14 C13 110.753 H9 C14 O16 110.641
H10 C14 C13 110.753 H10 C14 O16 110.641
C11 C18 C12 110.835 C11 C18 C13 112.469
C11 C18 H17 107.292 C12 C18 C13 112.469
C12 C18 H17 107.292 C13 C14 O16 106.373
C13 C18 H17 106.095 C14 C13 C18 115.701
C14 O16 H15 107.586
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability