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All results from a given calculation for CH2CHCH2CH3 (1-Butene)

using model chemistry: HF/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 HF/6-31G
 hartrees
Energy at 0K-156.046543
Energy at 298.15K-156.054790
HF Energy-156.046543
Nuclear repulsion energy117.455323
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 HF/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 3402 3071 30.49 72.45 0.62 0.77
2 A 3322 3000 5.74 140.05 0.14 0.25
3 A 3303 2982 35.91 30.88 0.67 0.80
4 A 3263 2946 52.42 55.72 0.73 0.84
5 A 3254 2938 55.23 64.29 0.61 0.76
6 A 3217 2904 9.15 105.68 0.71 0.83
7 A 3186 2877 35.47 151.45 0.01 0.03
8 A 3172 2864 42.89 87.37 0.29 0.45
9 A 1868 1686 9.96 28.56 0.17 0.29
10 A 1663 1502 7.10 5.58 0.70 0.82
11 A 1656 1495 6.53 24.69 0.75 0.85
12 A 1648 1488 3.95 29.04 0.75 0.86
13 A 1612 1455 2.04 13.23 0.47 0.64
14 A 1575 1422 3.25 2.58 0.54 0.70
15 A 1499 1353 3.04 2.24 0.74 0.85
16 A 1462 1320 0.44 23.83 0.40 0.57
17 A 1423 1285 0.01 22.82 0.70 0.82
18 A 1330 1200 0.12 2.08 0.70 0.82
19 A 1224 1105 4.41 5.63 0.34 0.51
20 A 1155 1043 2.33 3.11 0.67 0.80
21 A 1112 1004 3.64 5.10 0.60 0.75
22 A 1109 1002 80.82 0.89 0.68 0.81
23 A 1093 987 1.61 7.32 0.59 0.75
24 A 927 837 1.27 10.97 0.22 0.36
25 A 885 799 3.14 1.00 0.59 0.74
26 A 720 650 11.72 11.12 0.59 0.74
27 A 473 427 0.79 4.00 0.35 0.52
28 A 350 316 0.60 4.57 0.73 0.84
29 A 243 220 0.03 0.43 0.71 0.83
30 A 110 99 0.05 7.93 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 25627.3 cm-1
Scaled (by 0.9029) Zero Point Vibrational Energy (zpe) 23138.9 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 HF/6-31G
ABC
0.76478 0.13850 0.13516

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.725 -0.253 -0.287
C2 0.539 0.528 0.298
C3 -0.723 -0.291 0.340
C4 -1.854 0.012 -0.277
H5 -0.670 -1.196 0.924
H6 1.523 -0.549 -1.310
H7 2.626 0.350 -0.281
H8 1.922 -1.152 0.287
H9 0.791 0.849 1.306
H10 0.371 1.429 -0.283
H11 -1.956 0.903 -0.871
H12 -2.722 -0.617 -0.212

Atom - Atom Distances (Å)
  C1 C2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12
C11.53572.52733.58862.84451.08391.08421.08512.15032.15893.90144.4616
C21.53571.50462.51422.19652.17172.17372.17611.08771.08532.77993.4925
C32.52731.50461.32351.07852.79993.46622.78232.12732.13152.10012.0986
C43.58862.51421.32352.07473.57654.49303.99153.19432.63791.07511.0735
H52.84452.19651.07852.07473.19713.83472.66942.54273.07123.04622.4152
H61.08392.17172.79993.57653.19711.75611.75313.05552.50943.79564.3854
H71.08422.17373.46624.49303.83471.75611.75292.47672.50044.65295.4348
H81.08512.17612.78233.99152.66941.75311.75292.51433.06464.53864.7007
H92.15031.08772.12733.19432.54273.05552.47672.51431.74263.50524.0977
H102.15891.08532.13152.63793.07122.50942.50043.06461.74262.45693.7087
H113.90142.77992.10011.07513.04623.79564.65294.53863.50522.45691.8248
H124.46163.49252.09861.07352.41524.38545.43484.70074.09773.70871.8248

picture of 1-Butene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 112.458 C1 C2 H9 108.903
C1 C2 H10 109.720 C2 C1 H6 110.814
C2 C1 H7 110.955 C2 C1 H8 111.097
C2 C3 C4 125.373 C2 C3 H5 115.507
C3 C2 H9 109.235 C3 C2 H10 109.717
C3 C4 H11 121.869 C3 C4 H12 121.859
C4 C3 H5 119.119 H6 C1 H7 108.180
H6 C1 H8 107.854 H7 C1 H8 107.808
H9 C2 H10 106.632 H11 C4 H12 116.272
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.448      
2 C -0.354      
3 C -0.105      
4 C -0.367      
5 H 0.167      
6 H 0.159      
7 H 0.154      
8 H 0.150      
9 H 0.165      
10 H 0.163      
11 H 0.156      
12 H 0.159      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.327 0.014 0.096 0.341
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.746 0.496 0.802
y 0.496 -26.598 -1.272
z 0.802 -1.272 -27.531
Traceless
 xyz
x 0.318 0.496 0.802
y 0.496 0.541 -1.272
z 0.802 -1.272 -0.859
Polar
3z2-r2-1.717
x2-y2-0.149
xy0.496
xz0.802
yz-1.272


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.999 -0.082 1.162
y -0.082 5.245 -0.729
z 1.162 -0.729 4.929


<r2> (average value of r2) Å2
<r2> 102.751
(<r2>)1/2 10.137