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All results from a given calculation for C5H10 (2-Pentene, (Z)-)

using model chemistry: PBEPBE/6-31G(2df,p)

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/6-31G(2df,p)
 hartrees
Energy at 0K-196.261909
Energy at 298.15K-196.271801
Nuclear repulsion energy170.292025
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/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 3083 3051 51.31      
2 A 3064 3033 10.34      
3 A 3059 3027 28.28      
4 A 3054 3023 33.03      
5 A 3050 3018 3.89      
6 A 3013 2982 10.83      
7 A 3012 2981 14.72      
8 A 2975 2944 30.90      
9 A 2962 2931 26.45      
10 A 2948 2917 25.31      
11 A 1690 1672 2.60      
12 A 1457 1442 4.28      
13 A 1448 1433 5.44      
14 A 1443 1428 3.34      
15 A 1431 1416 4.46      
16 A 1424 1410 0.43      
17 A 1389 1374 8.38      
18 A 1353 1339 0.69      
19 A 1349 1336 1.73      
20 A 1282 1269 7.03      
21 A 1260 1247 0.31      
22 A 1235 1222 0.37      
23 A 1134 1123 0.49      
24 A 1055 1044 2.98      
25 A 1021 1010 1.65      
26 A 1016 1005 1.95      
27 A 1013 1003 0.61      
28 A 975 965 0.31      
29 A 922 913 12.48      
30 A 848 839 1.74      
31 A 767 759 2.88      
32 A 700 693 24.18      
33 A 555 549 6.89      
34 A 457 452 1.25      
35 A 294 291 0.02      
36 A 250 247 0.03      
37 A 211 209 0.00      
38 A 144 143 0.36      
39 A 55 55 0.15      

Unscaled Zero Point Vibrational Energy (zpe) 29197.6 cm-1
Scaled (by 0.9897) Zero Point Vibrational Energy (zpe) 28896.9 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 PBEPBE/6-31G(2df,p)
ABC
0.37465 0.08439 0.07728

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 2.208 -0.270 -0.408
H2 2.693 0.716 -0.503
H3 2.970 -0.987 -0.059
H4 1.884 -0.578 -1.415
C5 1.014 -0.209 0.561
H6 0.559 -1.209 0.654
H7 1.390 0.051 1.569
C8 -2.082 -0.668 -0.090
H9 -2.544 -0.888 -1.069
H10 -1.461 -1.532 0.191
H11 -2.913 -0.601 0.635
C12 -0.009 0.811 0.142
H13 0.383 1.833 0.046
C14 -1.309 0.619 -0.140
H15 -1.896 1.497 -0.439

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 C8 H9 H10 H11 C12 H13 C14 H15
C11.10301.10201.10191.53942.17492.16394.32024.83783.92665.23702.52782.82223.63794.4684
H21.10301.78131.77782.19243.09822.53644.98815.50614.77415.86992.77942.62424.01944.6548
H31.10201.78131.78492.19402.52332.49425.06145.60634.47145.93583.48493.82804.57045.4755
H41.10191.77781.78492.19032.53703.08974.18214.45233.83165.21672.81753.19443.64054.4207
C51.53942.19242.19402.19031.10281.10753.19613.97172.83073.94691.50402.19842.56313.5174
H62.17493.09822.52332.53701.10281.76532.79683.56432.09813.52522.16073.10782.73183.8137
H72.16392.53642.49423.08971.10751.76533.91454.82913.54074.45152.13822.55123.24454.1131
C84.32024.98815.06144.18213.19612.79683.91451.10481.10021.10502.55693.51401.50162.2003
H94.83785.50615.60634.45233.97173.56434.82911.10481.78181.76683.28334.14922.15852.5502
H103.92664.77414.47143.83162.83072.09813.54071.10021.78181.78042.75733.84012.18123.1237
H115.23705.86995.93585.21673.94693.52524.45151.10501.76681.78043.26694.13972.15922.5672
C122.52782.77943.48492.81751.50402.16072.13822.55693.28332.75733.26691.09871.34392.0896
H132.82222.62423.82803.19442.19843.10782.55123.51404.14923.84014.13971.09872.09092.3538
C143.63794.01944.57043.64052.56312.73183.24451.50162.15852.18122.15921.34392.09091.0976
H154.46844.65485.47554.42073.51743.81374.11312.20032.55023.12372.56722.08962.35381.0976

picture of 2-Pentene, (Z)- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C5 H6 109.696 C1 C5 H7 108.577
C1 C5 C12 112.312 H2 C1 H3 107.769
H2 C1 H4 107.474 H2 C1 C5 111.062
H3 C1 H4 108.172 H3 C1 C5 111.247
H4 C1 C5 110.960 C5 C12 H13 114.375
C5 C12 C14 128.226 H6 C5 H7 106.012
H6 C5 C12 111.036 H7 C5 C12 108.980
C8 C14 C12 127.853 C8 C14 H15 114.786
H9 C8 H10 107.817 H9 C8 H11 106.163
H9 C8 C14 110.900 H10 C8 H11 107.676
H10 C8 C14 113.031 H11 C8 C14 110.943
C12 C14 H15 117.359 H13 C12 C14 117.392
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.398      
2 H 0.126      
3 H 0.122      
4 H 0.131      
5 C -0.253      
6 H 0.110      
7 H 0.118      
8 C -0.465      
9 H 0.137      
10 H 0.132      
11 H 0.137      
12 C -0.027      
13 H 0.085      
14 C -0.045      
15 H 0.089      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.025 -0.223 0.041 0.229
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.561 0.314 0.779
y 0.314 -32.281 -0.255
z 0.779 -0.255 -33.796
Traceless
 xyz
x 1.477 0.314 0.779
y 0.314 0.398 -0.255
z 0.779 -0.255 -1.875
Polar
3z2-r2-3.749
x2-y20.720
xy0.314
xz0.779
yz-0.255


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.434 0.292 0.605
y 0.292 7.832 -0.158
z 0.605 -0.158 6.499


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000