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

using model chemistry: mPW1PW91/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/aug-cc-pVDZ
 hartrees
Energy at 0K-196.512764
Energy at 298.15K-196.522539
Nuclear repulsion energy174.457263
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/aug-cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A 3167 3035 44.40      
2 A 3161 3029 25.71      
3 A 3147 3016 10.42      
4 A 3145 3014 9.94      
5 A 3042 2916 15.86      
6 A 3039 2913 72.02      
7 A 3033 2906 28.75      
8 A 1768 1694 2.15      
9 A 1477 1415 9.05      
10 A 1474 1413 5.17      
11 A 1458 1397 1.68      
12 A 1410 1351 8.17      
13 A 1401 1343 0.11      
14 A 1394 1336 6.83      
15 A 1353 1296 1.62      
16 A 1246 1194 3.81      
17 A 1139 1091 10.48      
18 A 1066 1022 6.76      
19 A 969 929 3.86      
20 A 957 917 0.39      
21 A 787 754 1.80      
22 A 527 505 2.14      
23 A 383 367 0.52      
24 A 296 284 0.25      
25 A 3098 2968 17.51      
26 A 3095 2966 31.05      
27 A 3092 2963 14.19      
28 A 1467 1405 19.80      
29 A 1455 1394 1.83      
30 A 1445 1384 0.50      
31 A 1085 1040 0.03      
32 A 1046 1003 2.00      
33 A 1000 958 2.95      
34 A 818 784 12.78      
35 A 455 436 3.74      
36 A 267 255 1.88      
37 A 188 180 1.42      
38 A 122 117 0.63      
39 A 110 105 0.13      

Unscaled Zero Point Vibrational Energy (zpe) 29790.0 cm-1
Scaled (by 0.9583) Zero Point Vibrational Energy (zpe) 28547.8 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/aug-cc-pVDZ
ABC
0.26928 0.11757 0.08575

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.501 0.486 0.000
H2 -1.956 -0.508 0.000
H3 -1.873 1.031 0.881
H4 -1.873 1.031 -0.881
C5 0.266 -2.088 0.000
H6 0.647 -2.625 -0.881
H7 0.647 -2.625 0.881
H8 -0.825 -2.178 0.000
C9 0.738 -0.668 0.000
H10 1.825 -0.544 0.000
C11 0.000 0.452 0.000
C12 0.656 1.804 0.000
H13 1.749 1.725 0.000
H14 0.352 2.389 0.882
H15 0.352 2.389 -0.882

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 H8 C9 H10 C11 C12 H13 H14 H15
C11.09371.10041.10043.12253.88223.88222.74912.51883.48151.50102.52693.47742.79792.7979
H21.09371.77511.77512.72673.46913.46912.01722.69843.78092.17893.48794.32563.80723.8072
H31.10041.77511.76233.88304.77694.43993.48873.23684.11432.14892.78683.79102.60633.1465
H41.10041.77511.76233.88304.43994.77693.48873.23684.11432.14892.78683.79103.14652.6063
C53.12252.72673.88303.88301.10001.10001.09491.49582.19362.55413.91144.09134.56364.5636
H63.88223.46914.77694.43991.10001.76241.77282.14782.54823.26574.51594.57335.32305.0226
H73.88223.46914.43994.77691.10001.76241.77282.14782.54823.26574.51594.57335.02265.3230
H82.74912.01723.48873.48871.09491.77281.77282.17283.11302.75674.24854.67554.79794.7979
C92.51882.69843.23683.23681.49582.14782.14782.17281.09411.34162.47382.59843.20523.2052
H103.48153.78094.11434.11432.19362.54822.54823.11301.09412.07912.62332.27093.39853.3985
C111.50102.17892.14892.14892.55413.26573.26572.75671.34162.07911.50242.16302.15682.1568
C122.52693.48792.78682.78683.91144.51594.51594.24852.47382.62331.50241.09591.10071.1007
H133.47744.32563.79103.79104.09134.57334.57334.67552.59842.27092.16301.09591.78001.7800
H142.79793.80722.60633.14654.56365.32305.02264.79793.20523.39852.15681.10071.78001.7633
H152.79793.80723.14652.60634.56365.02265.32304.79793.20523.39852.15681.10071.78001.7633

picture of 2-Butene, 2-methyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C11 C9 124.670 C1 C11 C12 114.560
H2 C1 H3 107.996 H2 C1 H4 107.996
H2 C1 C11 113.288 H3 C1 H4 106.406
H3 C1 C11 110.439 H4 C1 C11 110.439
C5 C9 H10 114.887 C5 C9 C11 128.269
H6 C5 H7 106.474 H6 C5 H8 107.744
H6 C5 C9 110.747 H7 C5 H8 107.744
H7 C5 C9 110.747 H8 C5 C9 113.099
C9 C11 C12 120.769 H10 C9 C11 116.843
C11 C12 H13 111.752 C11 C12 H14 110.958
C11 C12 H15 110.958 H13 C12 H14 108.262
H13 C12 H15 108.262 H14 C12 H15 106.448
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.209      
2 H -0.266      
3 H 0.041      
4 H 0.041      
5 C 0.042      
6 H 0.040      
7 H 0.040      
8 H -0.269      
9 C 0.590      
10 H -0.730      
11 C 0.210      
12 C 0.339      
13 H -0.276      
14 H -0.006      
15 H -0.006      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.206 0.049 0.000 0.211
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.549 -0.321 0.000
y -0.321 -32.355 0.000
z 0.000 0.000 -34.486
Traceless
 xyz
x 0.871 -0.321 0.000
y -0.321 1.162 0.000
z 0.000 0.000 -2.034
Polar
3z2-r2-4.067
x2-y2-0.194
xy-0.321
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.752 -0.949 0.000
y -0.949 12.127 0.000
z 0.000 0.000 7.546


<r2> (average value of r2) Å2
<r2> 150.735
(<r2>)1/2 12.277