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

using model chemistry: G4

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at G4
 hartrees
Energy at 0K-196.364858
Energy at 298.15K-196.357269
HF Energy-196.557025
Nuclear repulsion energy175.491281
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 B3LYP/6-31G(2df,p)
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 3218 3106 18.68      
2 A 3140 3030 8.68      
3 A 3115 3006 23.02      
4 A 3111 3002 35.50      
5 A 3107 2998 35.08      
6 A 3069 2962 22.61      
7 A 3064 2957 14.93      
8 A 3038 2932 24.81      
9 A 3021 2915 25.66      
10 A 3008 2902 26.79      
11 A 1722 1662 14.72      
12 A 1510 1457 1.72      
13 A 1502 1450 4.04      
14 A 1497 1444 9.54      
15 A 1486 1434 7.11      
16 A 1475 1423 1.88      
17 A 1452 1401 0.15      
18 A 1411 1361 2.64      
19 A 1406 1356 1.61      
20 A 1351 1304 3.03      
21 A 1310 1264 1.76      
22 A 1273 1228 2.08      
23 A 1120 1080 0.67      
24 A 1097 1058 4.41      
25 A 1053 1016 0.97      
26 A 1022 986 0.28      
27 A 1002 967 1.02      
28 A 942 910 1.70      
29 A 931 898 34.37      
30 A 800 772 1.40      
31 A 775 748 1.07      
32 A 728 703 0.09      
33 A 537 519 4.40      
34 A 432 417 1.90      
35 A 396 382 0.50      
36 A 263 254 0.13      
37 A 225 217 0.26      
38 A 187 181 0.19      
39 A 70 68 0.06      

Unscaled Zero Point Vibrational Energy (zpe) 29932.5 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 28884.9 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 B3LYP/6-31G(2df,p)
ABC
0.24129 0.12419 0.09452

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G(2df,p)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.999 1.327 0.022
H2 0.373 1.892 -0.679
H3 2.039 1.433 -0.296
H4 0.889 1.817 0.999
C5 -1.915 0.085 -0.396
H6 -1.881 1.170 -0.535
H7 -2.909 -0.167 -0.012
H8 -1.802 -0.383 -1.379
C9 -0.821 -0.403 0.571
H10 -0.938 -1.480 0.731
H11 -0.976 0.078 1.547
C12 0.587 -0.121 0.096
C13 1.424 -1.105 -0.232
H14 1.129 -2.149 -0.171
H15 2.435 -0.907 -0.573

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 H8 C9 H10 H11 C12 C13 H14 H15
C11.09651.09281.09783.19572.93824.18413.56902.57103.48382.79111.50792.48273.48392.7219
H21.09651.76981.75712.92942.37173.93113.22442.87313.88283.17322.16753.20714.14173.4777
H31.09281.76981.77414.17913.93665.20814.38503.50804.29023.78552.16312.61313.69782.3896
H41.09781.75711.77413.57893.23224.40254.21162.83503.77892.60882.15913.21564.14133.5043
C53.19572.92944.17913.57891.09431.09441.09461.53882.16182.15792.55823.54813.78224.4651
H62.93822.37173.93663.23221.09431.76501.76882.19523.08452.51952.85594.02364.49504.7899
H74.18413.93115.20814.40251.09441.76501.77162.18022.48242.49543.49774.43824.50075.4238
H83.56903.22444.38504.21161.09461.76881.77162.18272.53053.07532.82023.49913.62924.3449
C92.57102.87313.50802.83501.53882.19522.18022.18271.09521.09941.51262.48542.72043.4879
H103.48383.88284.29023.77892.16183.08452.48242.53051.09521.75912.13892.57742.35193.6611
H112.79113.17323.78552.60882.15792.51952.49543.07531.09941.75912.14213.21313.51274.1354
C121.50792.16752.16312.15912.55822.85593.49772.82021.51262.13892.14211.33292.11572.1168
C132.48273.20712.61313.21563.54814.02364.43823.49912.48542.57743.21311.33291.08571.0857
H143.48394.14173.69784.14133.78224.49504.50073.62922.72042.35193.51272.11571.08571.8463
H152.72193.47772.38963.50434.46514.78995.42384.34493.48793.66114.13542.11681.08571.8463

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 116.437 C1 C12 C13 121.847
H2 C1 H3 107.945 H2 C1 H4 106.618
H2 C1 C12 111.548 H3 C1 H4 108.253
H3 C1 C12 111.401 H4 C1 C12 110.878
C5 C9 H10 109.270 C5 C9 H11 108.684
C5 C9 C12 113.772 H6 C5 H7 107.518
H6 C5 H8 107.857 H6 C5 C9 111.845
H7 C5 H8 108.049 H7 C5 C9 110.638
H8 C5 C9 110.778 C9 C12 C13 121.717
H10 C9 H11 106.679 H10 C9 C12 109.107
H11 C9 C12 109.088 C12 C13 H14 121.781
C12 C13 H15 121.884 H14 C13 H15 116.335
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.469      
2 H 0.126      
3 H 0.120      
4 H 0.121      
5 C -0.373      
6 H 0.117      
7 H 0.113      
8 H 0.121      
9 C -0.257      
10 H 0.100      
11 H 0.098      
12 C 0.397      
13 C -0.409      
14 H 0.097      
15 H 0.098      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.340 0.358 0.111 0.507
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


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> 143.683
(<r2>)1/2 11.987