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

using model chemistry: mPW1PW91/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at mPW1PW91/6-31G*
 hartrees
Energy at 0K-196.486765
Energy at 298.15K-196.496902
Nuclear repulsion energy175.865926
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 mPW1PW91/6-31G*
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 3264 3095 19.87      
2 A 3182 3018 10.29      
3 A 3163 3000 23.07      
4 A 3160 2997 30.35      
5 A 3156 2993 38.69      
6 A 3120 2959 23.17      
7 A 3112 2951 14.04      
8 A 3079 2920 27.73      
9 A 3062 2904 25.91      
10 A 3052 2894 28.70      
11 A 1758 1668 14.86      
12 A 1542 1463 2.80      
13 A 1536 1456 6.60      
14 A 1529 1450 11.67      
15 A 1519 1441 11.19      
16 A 1507 1429 3.08      
17 A 1476 1400 0.46      
18 A 1442 1367 5.00      
19 A 1437 1363 3.66      
20 A 1379 1308 1.51      
21 A 1333 1264 2.02      
22 A 1294 1227 1.64      
23 A 1134 1076 0.38      
24 A 1113 1056 6.38      
25 A 1070 1014 1.25      
26 A 1044 990 1.32      
27 A 1014 962 1.17      
28 A 963 913 1.22      
29 A 929 881 46.50      
30 A 811 769 1.91      
31 A 791 750 1.54      
32 A 732 694 0.15      
33 A 539 511 6.07      
34 A 433 411 1.62      
35 A 399 378 0.69      
36 A 265 252 0.13      
37 A 225 213 0.48      
38 A 184 175 0.29      
39 A 67 64 0.06      

Unscaled Zero Point Vibrational Energy (zpe) 30407.1 cm-1
Scaled (by 0.9483) Zero Point Vibrational Energy (zpe) 28835.1 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 mPW1PW91/6-31G*
ABC
0.24235 0.12507 0.09499

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.982 1.330 0.026
H2 0.362 1.884 -0.688
H3 2.025 1.446 -0.276
H4 0.852 1.820 0.999
C5 -1.906 0.082 -0.392
H6 -1.882 1.170 -0.507
H7 -2.900 -0.186 -0.020
H8 -1.785 -0.362 -1.385
C9 -0.819 -0.416 0.563
H10 -0.929 -1.496 0.704
H11 -0.976 0.045 1.548
C12 0.585 -0.118 0.097
C13 1.433 -1.094 -0.232
H14 1.146 -2.141 -0.176
H15 2.444 -0.884 -0.569

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 H8 C9 H10 H11 C12 C13 H14 H15
C11.09601.09261.09713.17412.91724.16743.53732.56463.47822.79241.50292.47943.48042.7194
H21.09601.76861.75812.91232.36193.92073.18502.87213.87703.18912.16183.19774.13243.4659
H31.09261.76861.77294.16343.92375.19494.36153.50134.28333.78082.15892.60923.69452.3860
H41.09711.75811.77293.54463.18794.37454.17132.82463.77542.60552.15403.21654.14153.5080
C53.17412.91234.16343.54461.09401.09411.09411.53102.15582.15242.54653.54383.78224.4597
H62.91722.36193.92373.18791.09401.76391.76852.18833.07892.51142.84704.02324.49854.7889
H74.16743.92075.19494.37451.09411.76391.77062.17352.47462.49313.48704.43154.49595.4168
H83.53733.18504.36154.17131.09411.76851.77062.17512.52623.06982.80573.49573.63574.3387
C92.56462.87213.50132.82461.53102.18832.17352.17511.09511.09901.50832.48192.71663.4846
H103.47823.87704.28333.77542.15583.07892.47462.52621.09511.75812.13542.57192.34423.6565
H112.79243.18913.78082.60552.15242.51142.49313.06981.09901.75812.13703.20423.50014.1276
C121.50292.16182.15892.15402.54652.84703.48702.80571.50832.13542.13701.33452.11702.1182
C132.47943.19772.60923.21653.54384.02324.43153.49572.48192.57193.20421.33451.08631.0863
H143.48044.13243.69454.14153.78224.49854.49593.63572.71662.34423.50012.11701.08631.8484
H152.71943.46592.38603.50804.45974.78895.41684.33873.48463.65654.12762.11821.08631.8484

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 116.789 C1 C12 C13 121.703
H2 C1 H3 107.817 H2 C1 H4 106.572
H2 C1 C12 111.607 H3 C1 H4 108.123
H3 C1 C12 111.584 H4 C1 C12 110.921
C5 C9 H10 109.233 C5 C9 H11 108.741
C5 C9 C12 113.829 H6 C5 H7 107.441
H6 C5 H8 107.847 H6 C5 C9 111.871
H7 C5 H8 108.028 H7 C5 C9 110.683
H8 C5 C9 110.811 C9 C12 C13 121.508
H10 C9 H11 106.505 H10 C9 C12 109.189
H11 C9 C12 109.085 C12 C13 H14 121.636
C12 C13 H15 121.764 H14 C13 H15 116.600
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.580      
2 H 0.182      
3 H 0.180      
4 H 0.177      
5 C -0.520      
6 H 0.171      
7 H 0.173      
8 H 0.178      
9 C -0.379      
10 H 0.171      
11 H 0.169      
12 C 0.208      
13 C -0.448      
14 H 0.159      
15 H 0.158      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.344 0.354 0.100 0.504
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.416 0.542 -0.831
y 0.542 -31.870 0.153
z -0.831 0.153 -33.917
Traceless
 xyz
x 0.478 0.542 -0.831
y 0.542 1.296 0.153
z -0.831 0.153 -1.774
Polar
3z2-r2-3.548
x2-y2-0.546
xy0.542
xz-0.831
yz0.153


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> 142.847
(<r2>)1/2 11.952