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

using model chemistry: mPW1PW91/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at mPW1PW91/6-31+G**
 hartrees
Energy at 0K-196.505920
Energy at 298.15K-196.516050
Nuclear repulsion energy175.831917
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 mPW1PW91/6-31+G**
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 3260 3103 18.74      
2 A 3173 3020 10.24      
3 A 3158 3006 21.33      
4 A 3153 3001 35.45      
5 A 3148 2997 33.43      
6 A 3117 2967 18.91      
7 A 3107 2958 13.63      
8 A 3068 2920 30.67      
9 A 3055 2908 28.66      
10 A 3046 2899 28.03      
11 A 1737 1653 24.57      
12 A 1516 1443 3.38      
13 A 1510 1437 9.08      
14 A 1504 1431 15.27      
15 A 1494 1422 14.68      
16 A 1481 1410 4.11      
17 A 1454 1384 0.39      
18 A 1418 1350 7.61      
19 A 1415 1347 5.64      
20 A 1361 1296 1.03      
21 A 1318 1254 1.53      
22 A 1278 1216 1.03      
23 A 1121 1067 0.80      
24 A 1101 1048 5.48      
25 A 1056 1005 0.38      
26 A 1035 985 1.17      
27 A 1002 954 0.98      
28 A 955 909 1.47      
29 A 927 883 56.68      
30 A 805 766 1.98      
31 A 786 748 1.30      
32 A 725 690 0.26      
33 A 538 512 9.32      
34 A 433 413 1.55      
35 A 400 381 0.93      
36 A 265 252 0.24      
37 A 221 211 0.74      
38 A 180 171 0.36      
39 A 68 65 0.06      

Unscaled Zero Point Vibrational Energy (zpe) 30193.5 cm-1
Scaled (by 0.9518) Zero Point Vibrational Energy (zpe) 28738.2 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 mPW1PW91/6-31+G**
ABC
0.24260 0.12498 0.09480

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31+G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.970 1.336 0.029
H2 0.350 1.882 -0.690
H3 2.014 1.462 -0.264
H4 0.826 1.821 1.001
C5 -1.909 0.078 -0.389
H6 -1.894 1.167 -0.485
H7 -2.898 -0.204 -0.019
H8 -1.787 -0.349 -1.388
C9 -0.816 -0.427 0.557
H10 -0.919 -1.509 0.684
H11 -0.971 0.021 1.548
C12 0.586 -0.116 0.095
C13 1.446 -1.086 -0.233
H14 1.165 -2.134 -0.178
H15 2.456 -0.865 -0.563

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 H8 C9 H10 H11 C12 C13 H14 H15
C11.09511.09181.09623.16882.91434.16353.52822.56393.47692.79281.50302.48243.48152.7206
H21.09511.76801.75812.90612.36383.91813.16752.87133.87263.19592.15943.19714.12983.4634
H31.09181.76801.77244.16133.92505.19274.35803.49984.28103.77712.15802.61123.69582.3872
H41.09621.75811.77243.52833.16794.36034.15322.81883.77282.60112.15193.21864.14103.5097
C53.16882.90614.16133.52831.09331.09351.09361.53122.15662.15272.54873.55433.79334.4686
H62.91432.36383.92503.16791.09331.76231.76792.18863.07912.50992.85184.03684.51134.8015
H74.16353.91815.19274.36031.09351.76231.76922.17242.47332.49453.48744.43804.50175.4222
H83.52823.16754.35804.15321.09361.76791.76922.17572.52893.06992.80843.51173.65644.3532
C92.56392.87133.49982.81881.53122.18862.17242.17571.09441.09851.50832.48432.71643.4856
H103.47693.87264.28103.77282.15663.07912.47332.52891.09441.75772.13382.57102.34063.6551
H112.79283.19593.77712.60112.15272.50992.49453.06991.09851.75772.13373.19913.49084.1209
C121.50302.15942.15802.15192.54872.85183.48742.80841.50832.13382.13371.33722.11732.1190
C132.48243.19712.61123.21863.55434.03684.43803.51172.48432.57103.19911.33721.08581.0857
H143.48154.12983.69584.14103.79334.51134.50173.65642.71642.34063.49082.11731.08581.8506
H152.72063.46342.38723.50974.46864.80155.42224.35323.48563.65514.12092.11901.08571.8506

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 116.735 C1 C12 C13 121.750
H2 C1 H3 107.896 H2 C1 H4 106.705
H2 C1 C12 111.470 H3 C1 H4 108.208
H3 C1 C12 111.564 H4 C1 C12 110.799
C5 C9 H10 109.318 C5 C9 H11 108.783
C5 C9 C12 113.963 H6 C5 H7 107.396
H6 C5 H8 107.884 H6 C5 C9 111.924
H7 C5 H8 107.982 H7 C5 C9 110.617
H8 C5 C9 110.872 C9 C12 C13 121.515
H10 C9 H11 106.559 H10 C9 C12 109.097
H11 C9 C12 108.860 C12 C13 H14 121.468
C12 C13 H15 121.633 H14 C13 H15 116.899
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.767      
2 H 0.172      
3 H 0.170      
4 H 0.174      
5 C -0.617      
6 H 0.162      
7 H 0.169      
8 H 0.175      
9 C -0.235      
10 H 0.160      
11 H 0.166      
12 C 0.476      
13 C -0.498      
14 H 0.146      
15 H 0.147      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.415 0.406 0.137 0.597
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.152 0.685 -0.911
y 0.685 -32.547 0.160
z -0.911 0.160 -34.859
Traceless
 xyz
x 0.551 0.685 -0.911
y 0.685 1.458 0.160
z -0.911 0.160 -2.009
Polar
3z2-r2-4.018
x2-y2-0.605
xy0.685
xz-0.911
yz0.160


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.000 0.000 0.000
y 0.000 0.000 0.000
z 0.000 0.000 0.000


<r2> (average value of r2) Å2
<r2> 143.423
(<r2>)1/2 11.976