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

using model chemistry: HF/Def2TZVPP

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/Def2TZVPP
 hartrees
Energy at 0K-156.169053
Energy at 298.15K-156.177266
HF Energy-156.169053
Nuclear repulsion energy117.769751
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/Def2TZVPP
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 3356 3042 22.22      
2 A 3280 2973 3.76      
3 A 3266 2960 33.48      
4 A 3223 2921 54.22      
5 A 3217 2916 59.91      
6 A 3189 2890 4.38      
7 A 3158 2862 32.62      
8 A 3148 2854 36.80      
9 A 1842 1670 14.86      
10 A 1623 1471 5.78      
11 A 1613 1462 5.13      
12 A 1604 1454 3.30      
13 A 1574 1427 2.97      
14 A 1534 1390 1.64      
15 A 1465 1328 5.28      
16 A 1426 1292 0.76      
17 A 1395 1264 0.19      
18 A 1296 1175 0.36      
19 A 1192 1080 6.62      
20 A 1129 1023 6.67      
21 A 1087 985 1.60      
22 A 1066 966 60.79      
23 A 1063 963 1.41      
24 A 911 826 1.28      
25 A 854 774 2.36      
26 A 706 640 11.25      
27 A 463 420 0.93      
28 A 341 309 0.60      
29 A 248 225 0.05      
30 A 118 107 0.06      

Unscaled Zero Point Vibrational Energy (zpe) 25192.0 cm-1
Scaled (by 0.9064) Zero Point Vibrational Energy (zpe) 22834.0 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 HF/Def2TZVPP
ABC
0.77321 0.13916 0.13574

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/Def2TZVPP

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.720 -0.248 -0.287
C2 0.537 0.522 0.301
C3 -0.723 -0.293 0.334
C4 -1.846 0.017 -0.276
H5 -0.677 -1.207 0.905
H6 1.524 -0.531 -1.315
H7 2.620 0.354 -0.267
H8 1.914 -1.155 0.275
H9 0.784 0.826 1.314
H10 0.367 1.429 -0.267
H11 -1.944 0.915 -0.858
H12 -2.712 -0.616 -0.214

Atom - Atom Distances (Å)
  C1 C2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12
C11.52892.52073.57572.84301.08341.08361.08452.14322.15473.88624.4470
C21.52891.50102.50362.19682.16652.16572.16971.08641.08382.76663.4805
C32.52071.50101.31491.07822.79743.45792.77482.11812.12532.09082.0877
C43.57572.50361.31492.06313.56954.47923.97683.17862.62611.07531.0737
H52.84302.19681.07822.06313.19833.83142.66682.53693.06793.03562.3957
H61.08342.16652.79743.56953.19831.75541.75223.04962.50563.78554.3775
H71.08362.16573.45794.47923.83141.75541.75192.46842.49614.63655.4195
H81.08452.16972.77483.97682.66681.75221.75192.50573.05994.52264.6824
H92.14321.08642.11813.17862.53693.04962.46842.50571.74283.48874.0789
H102.15471.08382.12532.62613.06792.50562.49613.05991.74282.44083.6969
H113.88622.76662.09081.07533.03563.78554.63654.52263.48872.44081.8299
H124.44703.48052.08771.07372.39574.37755.41954.68244.07893.69691.8299

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 112.596 C1 C2 H9 108.889
C1 C2 H10 109.945 C2 C1 H6 110.910
C2 C1 H7 110.836 C2 C1 H8 111.105
C2 C3 C4 125.389 C2 C3 H5 115.832
C3 C2 H9 108.834 C3 C2 H10 109.555
C3 C4 H11 121.709 C3 C4 H12 121.538
C4 C3 H5 118.777 H6 C1 H7 108.199
H6 C1 H8 107.846 H7 C1 H8 107.813
H9 C2 H10 106.847 H11 C4 H12 116.753
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.166      
2 C 0.020      
3 C -0.113      
4 C -0.164      
5 H 0.064      
6 H 0.056      
7 H 0.058      
8 H 0.047      
9 H 0.037      
10 H 0.039      
11 H 0.053      
12 H 0.070      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.388 0.056 0.103 0.406
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.877 0.508 0.918
y 0.508 -26.599 -1.385
z 0.918 -1.385 -27.629
Traceless
 xyz
x 0.237 0.508 0.918
y 0.508 0.654 -1.385
z 0.918 -1.385 -0.891
Polar
3z2-r2-1.782
x2-y2-0.278
xy0.508
xz0.918
yz-1.385


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.068 -0.241 0.809
y -0.241 6.264 -0.310
z 0.809 -0.310 6.194


<r2> (average value of r2) Å2
<r2> 102.385
(<r2>)1/2 10.119