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

using model chemistry: MP2/Def2TZVPP

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/Def2TZVPP
 hartrees
Energy at 0K-196.078491
Energy at 298.15K-196.088615
HF Energy-195.219626
Nuclear repulsion energy176.505726
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/Def2TZVPP
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 3272 3113 12.27      
2 A 3177 3022 9.84      
3 A 3172 3018 16.51      
4 A 3169 3015 24.71      
5 A 3165 3012 23.12      
6 A 3138 2986 14.56      
7 A 3124 2972 10.92      
8 A 3078 2929 23.31      
9 A 3067 2918 18.74      
10 A 3064 2915 21.61      
11 A 1708 1625 12.02      
12 A 1521 1448 1.88      
13 A 1516 1442 6.21      
14 A 1507 1434 12.34      
15 A 1497 1425 12.41      
16 A 1484 1412 1.43      
17 A 1457 1387 0.38      
18 A 1414 1345 6.36      
19 A 1410 1342 3.31      
20 A 1357 1292 0.74      
21 A 1316 1252 1.02      
22 A 1281 1219 0.94      
23 A 1118 1063 1.02      
24 A 1100 1047 4.38      
25 A 1058 1007 0.20      
26 A 1038 988 0.70      
27 A 1000 952 0.78      
28 A 956 910 1.64      
29 A 915 870 41.69      
30 A 804 765 1.53      
31 A 787 748 0.96      
32 A 731 695 0.23      
33 A 532 507 7.09      
34 A 427 407 1.71      
35 A 393 374 0.75      
36 A 267 254 0.17      
37 A 224 213 0.60      
38 A 182 174 0.22      
39 A 61 58 0.04      

Unscaled Zero Point Vibrational Energy (zpe) 30244.1 cm-1
Scaled (by 0.9515) Zero Point Vibrational Energy (zpe) 28777.3 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/Def2TZVPP
ABC
0.24270 0.12677 0.09600

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/Def2TZVPP

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.951 1.338 0.028
H2 0.320 1.867 -0.687
H3 1.988 1.464 -0.274
H4 0.810 1.819 0.998
C5 -1.884 0.070 -0.401
H6 -1.849 1.152 -0.515
H7 -2.877 -0.195 -0.042
H8 -1.744 -0.378 -1.383
C9 -0.813 -0.425 0.571
H10 -0.913 -1.502 0.708
H11 -0.974 0.043 1.545
C12 0.581 -0.115 0.105
C13 1.439 -1.082 -0.235
H14 1.163 -2.127 -0.176
H15 2.439 -0.857 -0.580

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 H8 C9 H10 H11 C12 C13 H14 H15
C11.09041.08801.09123.13452.85824.12403.49252.55213.46442.77171.50112.48303.47732.7207
H21.09041.76541.75512.85732.29013.85823.12762.84893.84903.15952.14973.18644.11323.4526
H31.08801.76541.76974.11723.85775.14574.30713.48264.26383.75542.14842.60483.68552.3835
H41.09121.75511.76973.50263.13094.32794.12502.80193.75232.57582.14203.21424.13153.5073
C53.13452.85734.11723.50261.08871.08891.08911.52832.15522.14872.52303.52113.76314.4253
H62.85822.29013.85773.13091.08871.75941.76302.17733.06912.49862.81013.98584.46564.7365
H74.12403.85825.14574.32791.08891.75941.76542.16542.47582.49023.46244.41094.48035.3847
H83.49253.12764.30714.12501.08911.76301.76542.16482.51563.05742.77283.45623.60044.2865
C92.55212.84893.48262.80191.52832.17732.16542.16481.09041.09311.50242.48072.71273.4770
H103.46443.84904.26383.75232.15523.06912.47582.51561.09041.75792.12642.56912.34183.6493
H112.77173.15953.75542.57582.14872.49862.49023.05741.09311.75792.12553.20273.49814.1201
C121.50112.14972.14842.14202.52302.81013.46242.77281.50242.12642.12551.33702.11312.1149
C132.48303.18642.60483.21423.52113.98584.41093.45622.48072.56913.20271.33701.08201.0819
H143.47734.11323.68554.13153.76314.46564.48033.60042.71272.34183.49812.11311.08201.8455
H152.72073.45262.38353.50734.42534.73655.38474.28653.47703.64934.12012.11491.08191.8455

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 116.365 C1 C12 C13 121.960
H2 C1 H3 108.276 H2 C1 H4 107.125
H2 C1 C12 111.113 H3 C1 H4 108.595
H3 C1 C12 111.153 H4 C1 C12 110.446
C5 C9 H10 109.645 C5 C9 H11 108.983
C5 C9 C12 112.713 H6 C5 H7 107.792
H6 C5 H8 108.104 H6 C5 C9 111.503
H7 C5 H8 108.307 H7 C5 C9 110.542
H8 C5 C9 110.478 C9 C12 C13 121.672
H10 C9 H11 107.244 H10 C9 C12 109.166
H11 C9 C12 108.937 C12 C13 H14 121.388
C12 C13 H15 121.566 H14 C13 H15 117.046
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability