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

using model chemistry: BLYP/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at BLYP/3-21G*
 hartrees
Energy at 0K-195.339610
Energy at 298.15K-195.349625
Nuclear repulsion energy173.722837
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 BLYP/3-21G*
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 3142 3121 22.67      
2 A 3067 3047 10.45      
3 A 3049 3029 38.66      
4 A 3043 3023 17.49      
5 A 3037 3017 42.63      
6 A 3003 2983 10.38      
7 A 2998 2979 26.56      
8 A 2978 2959 24.17      
9 A 2960 2941 28.30      
10 A 2955 2936 18.95      
11 A 1663 1653 9.99      
12 A 1537 1527 3.72      
13 A 1533 1523 6.26      
14 A 1525 1515 9.68      
15 A 1517 1507 11.31      
16 A 1503 1493 1.02      
17 A 1462 1452 0.17      
18 A 1424 1415 4.39      
19 A 1413 1404 4.21      
20 A 1332 1323 1.66      
21 A 1301 1293 1.00      
22 A 1250 1242 3.18      
23 A 1115 1108 0.26      
24 A 1093 1086 8.18      
25 A 1056 1049 4.54      
26 A 1013 1007 1.50      
27 A 966 959 0.31      
28 A 904 898 1.73      
29 A 894 888 46.94      
30 A 800 794 2.60      
31 A 742 737 1.34      
32 A 707 703 0.06      
33 A 523 520 6.91      
34 A 425 422 1.34      
35 A 381 379 0.78      
36 A 250 249 0.57      
37 A 221 219 0.31      
38 A 183 182 0.40      
39 A 71 70 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 29517.4 cm-1
Scaled (by 0.9935) Zero Point Vibrational Energy (zpe) 29325.5 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 BLYP/3-21G*
ABC
0.23286 0.12212 0.09356

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/3-21G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.061 1.322 -0.000
H2 0.408 1.902 -0.677
H3 2.092 1.376 -0.382
H4 1.025 1.813 0.990
C5 -1.920 0.087 -0.429
H6 -1.823 1.154 -0.688
H7 -2.935 -0.079 -0.028
H8 -1.802 -0.508 -1.349
C9 -0.842 -0.335 0.623
H10 -0.987 -1.398 0.881
H11 -0.989 0.258 1.546
C12 0.588 -0.128 0.110
C13 1.377 -1.164 -0.229
H14 1.037 -2.199 -0.137
H15 2.392 -1.016 -0.608

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 H8 C9 H10 H11 C12 C13 H14 H15
C11.10471.10121.10593.25502.96974.23373.65582.59863.51662.77951.52912.51713.52402.7585
H21.10471.78871.78022.96232.35333.93903.33792.87303.90633.09812.18443.24674.18373.5288
H31.10121.78871.79234.21473.93365.24494.43303.54194.33253.80302.18322.64373.73602.4216
H41.10591.78021.79233.69713.37134.50504.34202.86943.79092.60512.17583.23684.16773.5254
C53.25502.96234.21473.69711.10211.10301.10191.56442.18862.19002.57473.53293.74894.4546
H62.96972.35333.93363.37131.10211.78591.78812.21323.10972.54782.84523.97864.44114.7414
H74.23373.93905.24494.50501.10301.78591.79172.20662.52152.52493.52584.45114.50305.4392
H83.65583.33794.43304.34201.10191.78811.79172.20032.53533.10282.82623.43463.51984.2892
C92.59862.87303.54192.86941.56442.21322.20662.20031.10341.10641.53342.51792.75363.5267
H103.51663.90634.33253.79092.18863.10972.52152.53531.10341.78392.16522.62242.40263.7122
H112.77953.09813.80302.60512.19002.54782.52493.10281.10641.78392.16783.28233.60144.2065
C121.52912.18442.18322.17582.57472.84523.52582.82621.53342.16522.16781.34612.13342.1348
C132.51713.24672.64373.23683.53293.97864.45113.43462.51792.62243.28231.34611.09331.0931
H143.52404.18373.73604.16773.74894.44114.50303.51982.75362.40263.60142.13341.09331.8599
H152.75853.52882.42163.52544.45464.74145.43924.28923.52673.71224.20652.13481.09311.8599

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 116.104 C1 C12 C13 122.071
H2 C1 H3 108.358 H2 C1 H4 107.277
H2 C1 C12 111.040 H3 C1 H4 108.591
H3 C1 C12 111.157 H4 C1 C12 110.295
C5 C9 H10 109.020 C5 C9 H11 108.957
C5 C9 C12 112.430 H6 C5 H7 108.175
H6 C5 H8 108.445 H6 C5 C9 111.009
H7 C5 H8 108.701 H7 C5 C9 110.433
H8 C5 C9 110.010 C9 C12 C13 121.825
H10 C9 H11 107.659 H10 C9 C12 109.313
H11 C9 C12 109.345 C12 C13 H14 121.643
C12 C13 H15 121.799 H14 C13 H15 116.558
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.567      
2 H 0.189      
3 H 0.183      
4 H 0.185      
5 C -0.513      
6 H 0.177      
7 H 0.175      
8 H 0.183      
9 C -0.399      
10 H 0.180      
11 H 0.178      
12 C 0.072      
13 C -0.357      
14 H 0.157      
15 H 0.157      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.309 0.371 0.064 0.487
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.806 0.488 -0.889
y 0.488 -32.235 0.142
z -0.889 0.142 -34.444
Traceless
 xyz
x 0.534 0.488 -0.889
y 0.488 1.390 0.142
z -0.889 0.142 -1.924
Polar
3z2-r2-3.847
x2-y2-0.571
xy0.488
xz-0.889
yz0.142


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> 145.800
(<r2>)1/2 12.075