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

using model chemistry: PBEPBE/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at PBEPBE/cc-pVDZ
 hartrees
Energy at 0K-196.254433
Energy at 298.15K-196.264402
Nuclear repulsion energy174.444893
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 PBEPBE/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 3161 3143 18.18      
2 A 3067 3049 10.84      
3 A 3064 3046 15.28      
4 A 3057 3039 28.05      
5 A 3054 3036 30.53      
6 A 3016 2998 17.77      
7 A 3007 2990 13.92      
8 A 2973 2956 28.31      
9 A 2956 2939 25.50      
10 A 2944 2927 28.72      
11 A 1674 1665 16.46      
12 A 1432 1424 3.47      
13 A 1421 1413 4.41      
14 A 1416 1407 11.71      
15 A 1405 1397 9.74      
16 A 1393 1385 3.01      
17 A 1373 1365 0.17      
18 A 1340 1333 5.21      
19 A 1339 1331 0.75      
20 A 1296 1289 1.49      
21 A 1259 1251 2.54      
22 A 1223 1216 1.68      
23 A 1068 1062 0.92      
24 A 1054 1048 4.39      
25 A 1013 1007 0.89      
26 A 995 989 1.34      
27 A 954 949 1.52      
28 A 922 917 1.92      
29 A 872 867 32.02      
30 A 778 774 1.81      
31 A 763 758 1.54      
32 A 697 693 0.13      
33 A 519 516 6.28      
34 A 417 414 1.67      
35 A 389 387 0.65      
36 A 254 253 0.19      
37 A 220 218 0.42      
38 A 183 182 0.39      
39 A 66 66 0.07      

Unscaled Zero Point Vibrational Energy (zpe) 29016.3 cm-1
Scaled (by 0.9942) Zero Point Vibrational Energy (zpe) 28848.0 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 PBEPBE/cc-pVDZ
ABC
0.23888 0.12329 0.09365

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.986 1.338 0.024
H2 0.345 1.903 -0.686
H3 2.038 1.461 -0.297
H4 0.865 1.834 1.013
C5 -1.920 0.077 -0.394
H6 -1.897 1.178 -0.523
H7 -2.926 -0.189 -0.012
H8 -1.804 -0.382 -1.398
C9 -0.822 -0.414 0.565
H10 -0.929 -1.508 0.718
H11 -0.979 0.060 1.562
C12 0.588 -0.115 0.098
C13 1.445 -1.103 -0.232
H14 1.149 -2.162 -0.170
H15 2.469 -0.887 -0.573

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 H8 C9 H10 H11 C12 C13 H14 H15
C11.11111.10691.11223.19542.93924.19983.57282.57563.50022.80391.50862.49753.50942.7397
H21.11111.79281.77762.92372.36183.94073.21622.88043.90263.19422.17853.23324.17573.5082
H31.10691.79281.79754.19433.95215.23914.40133.52744.31883.81132.17782.63313.73312.4029
H41.11221.77761.79753.58033.22734.41694.22362.84583.80432.61722.17053.24234.17673.5338
C53.19542.92374.19433.58031.10921.10881.10931.53852.17542.17002.56313.56933.80494.4971
H62.93922.36183.95213.22731.10921.78591.79072.20853.11412.53762.86984.05704.53424.8303
H74.19983.94075.23914.41691.10881.78591.79352.19332.50272.51513.51684.47104.53005.4691
H83.57283.21624.40134.22361.10931.79071.79352.19522.55193.10352.83383.52623.65994.3815
C92.57562.88043.52742.84581.53852.20852.19332.19521.10991.11451.51572.50002.73473.5144
H103.50023.90264.31883.80432.17543.11412.50272.55191.10991.78142.15112.58862.35163.6876
H112.80393.19423.81132.61722.17002.53762.51513.10351.11451.78142.15223.23253.53034.1648
C121.50862.17852.17782.17052.56312.86983.51682.83381.51572.15112.15221.34882.13902.1407
C132.49753.23322.63313.24233.56934.05704.47103.52622.50002.58863.23251.34881.10121.1011
H143.50944.17573.73314.17673.80494.53424.53003.65992.73472.35163.53032.13901.10121.8798
H152.73973.50822.40293.53384.49714.83035.46914.38153.51443.68764.16482.14071.10111.8798

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 116.782 C1 C12 C13 121.767
H2 C1 H3 107.856 H2 C1 H4 106.168
H2 C1 C12 111.624 H3 C1 H4 108.193
H3 C1 C12 111.831 H4 C1 C12 110.924
C5 C9 H10 109.391 C5 C9 H11 108.713
C5 C9 C12 114.110 H6 C5 H7 107.255
H6 C5 H8 107.637 H6 C5 C9 112.029
H7 C5 H8 107.914 H7 C5 C9 110.852
H8 C5 C9 110.964 C9 C12 C13 121.450
H10 C9 H11 106.427 H10 C9 C12 109.051
H11 C9 C12 108.867 C12 C13 H14 121.312
C12 C13 H15 121.484 H14 C13 H15 117.205
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.005      
2 H 0.045      
3 H 0.028      
4 H 0.041      
5 C -0.062      
6 H 0.034      
7 H 0.030      
8 H 0.037      
9 C -0.011      
10 H 0.013      
11 H 0.027      
12 C -0.214      
13 C 0.011      
14 H 0.009      
15 H 0.008      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.385 0.416 0.122 0.580
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.115 0.599 -0.749
y 0.599 -32.596 0.126
z -0.749 0.126 -34.447
Traceless
 xyz
x 0.407 0.599 -0.749
y 0.599 1.185 0.126
z -0.749 0.126 -1.592
Polar
3z2-r2-3.184
x2-y2-0.519
xy0.599
xz-0.749
yz0.126


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.976 -0.799 -0.704
y -0.799 9.476 0.327
z -0.704 0.327 6.619


<r2> (average value of r2) Å2
<r2> 145.111
(<r2>)1/2 12.046