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

using model chemistry: HF/6-311+G(3df,2p)

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/6-311+G(3df,2p)
 hartrees
Energy at 0K-195.208879
Energy at 298.15K-195.219233
Nuclear repulsion energy171.864601
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/6-311+G(3df,2p)
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 3284 2984 56.18      
2 A 3256 2958 19.44      
3 A 3251 2954 24.59      
4 A 3222 2927 42.18      
5 A 3214 2920 52.45      
6 A 3199 2907 11.65      
7 A 3189 2897 29.80      
8 A 3153 2865 7.56      
9 A 3152 2864 66.94      
10 A 3143 2856 34.71      
11 A 1864 1694 4.25      
12 A 1625 1477 6.42      
13 A 1613 1466 4.05      
14 A 1612 1465 3.50      
15 A 1604 1458 4.88      
16 A 1601 1455 3.80      
17 A 1561 1419 3.75      
18 A 1532 1392 1.85      
19 A 1528 1389 1.49      
20 A 1456 1323 10.22      
21 A 1402 1274 0.06      
22 A 1380 1254 0.04      
23 A 1265 1149 0.11      
24 A 1187 1078 4.76      
25 A 1169 1063 5.70      
26 A 1131 1028 0.06      
27 A 1117 1014 0.85      
28 A 1086 987 2.58      
29 A 990 899 8.79      
30 A 912 829 1.17      
31 A 852 774 7.24      
32 A 786 714 33.75      
33 A 605 549 4.98      
34 A 511 465 1.31      
35 A 323 293 0.04      
36 A 283 258 0.05      
37 A 234 213 0.02      
38 A 138 125 0.37      
39 A 58 53 0.12      

Unscaled Zero Point Vibrational Energy (zpe) 31742.7 cm-1
Scaled (by 0.9086) Zero Point Vibrational Energy (zpe) 28841.5 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/6-311+G(3df,2p)
ABC
0.37490 0.08593 0.07869

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-311+G(3df,2p)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 2.181 -0.292 -0.412
H2 2.653 0.671 -0.575
H3 2.937 -0.974 -0.041
H4 1.838 -0.659 -1.373
C5 1.018 -0.176 0.576
H6 0.580 -1.151 0.736
H7 1.408 0.148 1.538
C8 -2.065 -0.676 -0.077
H9 -2.504 -0.906 -1.043
H10 -1.459 -1.519 0.221
H11 -2.884 -0.585 0.629
C12 -0.017 0.816 0.124
H13 0.350 1.823 0.006
C14 -1.292 0.609 -0.149
H15 -1.869 1.462 -0.465

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 C8 H9 H10 H11 C12 H13 C14 H15
C11.08471.08411.08391.53052.14912.14354.27614.76693.89315.17902.51972.82863.59734.4142
H21.08471.75271.75172.17133.05542.50804.93145.41274.72645.80382.76422.63963.96804.5923
H31.08411.75271.75582.16842.48832.46805.01125.53354.43805.87263.45893.81054.51715.4057
H41.08391.75171.75582.16872.50413.05094.11194.36133.76175.12892.80333.20543.59154.3664
C51.53052.17132.16842.16871.08151.08713.19093.94472.84043.92381.50362.18322.54503.4792
H62.14913.05542.48832.50411.08151.73682.80763.56902.13513.51162.14573.07162.71793.7782
H72.14352.50802.46803.05091.08711.73683.91754.80363.56814.44772.11612.50453.21664.0596
C84.27614.93145.01124.11193.19092.80763.91751.08541.07991.08552.54173.47701.50202.1824
H94.76695.41275.53354.36133.94473.56904.80361.08541.75141.74433.24204.08612.13642.5187
H103.89314.72644.43803.76172.84042.13513.56811.07991.75141.75152.74643.80702.16703.0869
H115.17905.80385.87265.12893.92383.51164.44771.08551.74431.75153.23064.08072.13742.5339
C122.51972.76423.45892.80331.50362.14572.11612.54173.24202.74643.23061.07861.31952.0479
H132.82862.63963.81053.20542.18323.07162.50453.47704.08613.80704.08071.07862.04812.2978
C143.59733.96804.51713.59152.54502.71793.21661.50202.13642.16702.13741.31952.04811.0777
H154.41424.59235.40574.36643.47923.77824.05962.18242.51873.08692.53392.04792.29781.0777

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 109.530 C1 C5 H7 108.769
C1 C5 C12 112.293 H2 C1 H3 107.827
H2 C1 H4 107.752 H2 C1 C5 111.103
H3 C1 H4 108.167 H3 C1 C5 110.906
H4 C1 C5 110.948 C5 C12 H13 114.448
C5 C12 C14 128.594 H6 C5 H7 106.431
H6 C5 C12 111.151 H7 C5 C12 108.463
C8 C14 C12 128.426 C8 C14 H15 114.563
H9 C8 H10 107.963 H9 C8 H11 106.935
H9 C8 C14 110.280 H10 C8 H11 107.962
H10 C8 C14 113.115 H11 C8 C14 110.354
C12 C14 H15 117.010 H13 C12 C14 116.956
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.554      
2 H 0.138      
3 H 0.120      
4 H 0.135      
5 C -0.016      
6 H 0.093      
7 H 0.118      
8 C -0.403      
9 H 0.125      
10 H 0.114      
11 H 0.122      
12 C 0.077      
13 H 0.108      
14 C -0.283      
15 H 0.105      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.003 -0.281 0.069 0.289
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.341 0.374 0.966
y 0.374 -32.981 -0.393
z 0.966 -0.393 -35.007
Traceless
 xyz
x 1.653 0.374 0.966
y 0.374 0.692 -0.393
z 0.966 -0.393 -2.346
Polar
3z2-r2-4.691
x2-y20.640
xy0.374
xz0.966
yz-0.393


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.623 0.307 0.384
y 0.307 8.125 -0.018
z 0.384 -0.018 7.569


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