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All results from a given calculation for C5H10 (1-Butene, 2-methyl-)

using model chemistry: MP2/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at MP2/6-31G**
 hartrees
Energy at 0K-195.873387
Energy at 298.15K-195.883578
HF Energy-195.159166
Nuclear repulsion energy176.118409
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 MP2/6-31G**
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 3329 3118 17.06      
2 A 3231 3026 21.03      
3 A 3230 3025 17.18      
4 A 3224 3019 4.97      
5 A 3223 3018 43.37      
6 A 3195 2992 21.71      
7 A 3172 2971 15.66      
8 A 3130 2931 22.70      
9 A 3116 2918 18.67      
10 A 3109 2912 26.74      
11 A 1746 1635 5.14      
12 A 1567 1468 1.21      
13 A 1562 1463 4.96      
14 A 1554 1456 7.60      
15 A 1544 1445 8.38      
16 A 1532 1435 1.78      
17 A 1497 1401 0.60      
18 A 1461 1368 2.35      
19 A 1458 1365 2.93      
20 A 1399 1310 1.64      
21 A 1347 1261 1.48      
22 A 1314 1231 1.59      
23 A 1148 1075 0.63      
24 A 1129 1057 4.89      
25 A 1085 1016 0.27      
26 A 1059 992 0.87      
27 A 1026 961 0.67      
28 A 975 913 0.91      
29 A 908 850 38.55      
30 A 818 766 1.29      
31 A 799 748 1.00      
32 A 739 692 0.12      
33 A 536 502 4.65      
34 A 434 406 1.64      
35 A 401 376 0.50      
36 A 272 255 0.07      
37 A 229 214 0.37      
38 A 182 170 0.28      
39 A 65 61 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 30870.8 cm-1
Scaled (by 0.9365) Zero Point Vibrational Energy (zpe) 28910.5 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 MP2/6-31G**
ABC
0.24181 0.12595 0.09540

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.959 1.340 0.031
H2 0.361 1.872 -0.710
H3 2.008 1.462 -0.232
H4 0.787 1.829 0.992
C5 -1.896 0.079 -0.394
H6 -1.880 1.165 -0.471
H7 -2.888 -0.214 -0.051
H8 -1.746 -0.333 -1.392
C9 -0.817 -0.434 0.562
H10 -0.919 -1.515 0.677
H11 -0.979 0.006 1.551
C12 0.582 -0.115 0.102
C13 1.445 -1.084 -0.236
H14 1.169 -2.128 -0.182
H15 2.449 -0.857 -0.570

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 H8 C9 H10 H11 C12 C13 H14 H15
C11.09091.08871.09193.15042.88824.14993.48452.56533.47702.80041.50412.48613.48062.7215
H21.09091.76321.75502.90032.36203.91703.12522.88453.87663.22302.15723.18364.11453.4384
H31.08871.76321.76784.14593.90675.17864.32033.49394.27263.77112.15242.60763.68772.3850
H41.09191.75501.76783.49063.11314.33194.09542.80663.76662.59842.14783.22894.14523.5241
C53.15042.90034.14593.49061.08891.08951.08951.53022.15442.15202.53503.54183.78284.4483
H62.88822.36203.90673.11311.08891.75901.76312.17973.06922.49852.83294.02094.49654.7784
H74.14993.91705.17864.33191.08951.75901.76522.17112.46992.50203.47494.42394.48775.4006
H83.48453.12524.32034.09541.08951.76311.76522.16552.52193.05992.77473.47673.63094.3067
C92.56532.88453.49392.80661.53022.17972.17112.16551.09161.09451.50682.48522.71403.4821
H103.47703.87664.27263.76662.15443.06922.46992.52191.09161.75482.13132.57042.33893.6507
H112.80043.22303.77112.59842.15202.49852.50203.05991.09451.75482.13313.20233.48814.1220
C121.50412.15722.15242.14782.53502.83293.47492.77471.50682.13132.13311.34102.11612.1183
C132.48613.18362.60763.22893.54184.02094.42393.47672.48522.57043.20231.34101.08171.0818
H143.48064.11453.68774.14523.78284.49654.48773.63092.71402.33893.48812.11611.08171.8454
H152.72153.43842.38503.52414.44834.77845.40064.30673.48213.65074.12202.11831.08181.8454

picture of 1-Butene, 2-methyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C12 C9 116.857 C1 C12 C13 121.705
H2 C1 H3 107.990 H2 C1 H4 107.029
H2 C1 C12 111.468 H3 C1 H4 108.327
H3 C1 C12 111.217 H4 C1 C12 110.647
C5 C9 H10 109.374 C5 C9 H11 109.012
C5 C9 C12 113.165 H6 C5 H7 107.700
H6 C5 H8 108.065 H6 C5 C9 111.546
H7 C5 H8 108.214 H7 C5 C9 110.816
H8 C5 C9 110.375 C9 C12 C13 121.437
H10 C9 H11 106.778 H10 C9 C12 109.169
H11 C9 C12 109.143 C12 C13 H14 121.359
C12 C13 H15 121.572 H14 C13 H15 117.069
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability