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

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 CS 1A'
Energy calculated at HF/6-311+G(3df,2p)
 hartrees
Energy at 0K-195.210230
Energy at 298.15K-195.220678
Nuclear repulsion energy171.345194
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' 3291 2991 26.62      
2 A' 3257 2959 30.73      
3 A' 3221 2927 20.61      
4 A' 3215 2921 54.46      
5 A' 3158 2869 25.30      
6 A' 3147 2860 48.08      
7 A' 3134 2848 43.95      
8 A' 1873 1702 0.08      
9 A' 1624 1476 3.05      
10 A' 1610 1463 10.14      
11 A' 1602 1456 1.48      
12 A' 1544 1403 5.47      
13 A' 1536 1395 0.85      
14 A' 1499 1362 11.10      
15 A' 1447 1315 0.92      
16 A' 1432 1302 0.46      
17 A' 1231 1118 1.09      
18 A' 1145 1040 3.65      
19 A' 1116 1014 2.37      
20 A' 1009 917 5.38      
21 A' 905 822 0.04      
22 A' 619 562 0.20      
23 A' 389 354 0.28      
24 A' 218 198 0.35      
25 A" 3218 2923 51.48      
26 A" 3187 2896 32.44      
27 A" 3149 2861 21.71      
28 A" 1615 1468 6.43      
29 A" 1598 1452 6.00      
30 A" 1399 1271 0.69      
31 A" 1208 1097 3.11      
32 A" 1172 1065 5.19      
33 A" 1106 1005 36.77      
34 A" 909 825 1.12      
35 A" 780 709 0.44      
36 A" 320 291 1.83      
37 A" 240 218 0.37      
38 A" 217 198 2.67      
39 A" 133 121 0.06      

Unscaled Zero Point Vibrational Energy (zpe) 31735.7 cm-1
Scaled (by 0.9086) Zero Point Vibrational Energy (zpe) 28835.0 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/6-311+G(3df,2p)
ABC
0.45720 0.08174 0.07206

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -0.755 -1.210 0.000
C2 -0.982 -0.158 0.000
H3 -0.255 1.769 0.000
C4 0.000 0.720 0.000
H5 -2.939 -0.220 0.873
H6 -2.939 -0.220 -0.873
H7 -2.593 1.263 0.000
C8 -2.442 0.191 0.000
H9 1.917 0.931 -0.865
H10 1.917 0.931 0.865
C11 1.479 0.438 0.000
H12 2.967 -1.118 0.000
H13 1.513 -1.546 0.877
H14 1.513 -1.546 -0.877
C15 1.887 -1.030 0.000

Atom - Atom Distances (Å)
  H1 C2 H3 C4 H5 H6 H7 C8 H9 H10 C11 H12 H13 H14 C15
H11.07663.02072.07272.55162.55163.08202.19313.53183.53182.77643.72272.45482.45482.6477
C21.07662.05901.31682.14402.14402.14891.50143.21503.21502.53174.06322.98642.98642.9978
H33.02072.05901.07933.45283.45282.39242.69632.48352.48352.18584.32583.85763.85763.5241
C42.07271.31681.07933.20673.20672.64962.49832.11382.11381.50583.48992.86232.86232.5733
H52.55162.14403.45283.20671.74531.75571.08555.28464.99084.55136.03684.64514.96374.9702
H62.55162.14403.45283.20671.74531.75571.08554.99085.28464.55136.03684.96374.64514.9702
H73.08202.14892.39242.64961.75571.75571.08274.60474.60474.15526.04855.05215.05215.0329
C82.19311.50142.69632.49831.08551.08551.08274.50514.50513.92865.56464.40774.40774.4974
H93.53183.21502.48352.11385.28464.99084.60474.50511.72941.08752.45923.05482.50962.1435
H103.53183.21502.48352.11384.99085.28464.60474.50511.72941.08752.45922.50963.05482.1435
C112.77642.53172.18581.50584.55134.55134.15523.92861.08751.08752.15272.16932.16931.5236
H123.72274.06324.32583.48996.03686.03686.04855.56462.45922.45922.15271.75071.75071.0836
H132.45482.98643.85762.86234.64514.96375.05214.40773.05482.50962.16931.75071.75411.0838
H142.45482.98643.85762.86234.96374.64515.05214.40772.50963.05482.16931.75071.75411.0838
C152.64772.99783.52412.57334.97024.97025.03294.49742.14352.14351.52361.08361.08381.0838

picture of 2-Pentene, (E)- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 C2 C4 119.662 H1 C2 C8 115.594
C2 C4 H3 118.144 C2 C4 C11 127.399
C2 C8 H5 110.930 C2 C8 H6 110.930
C2 C8 H7 111.496 H3 C4 C11 114.457
C4 C2 C8 124.744 C4 C11 H9 108.112
C4 C11 H10 108.112 C4 C11 C15 116.305
H5 C8 H6 107.013 H5 C8 H7 108.151
H6 C8 H7 108.151 H9 C11 H10 105.331
H9 C11 C15 109.211 H10 C11 C15 109.211
C11 C15 H12 110.173 C11 C15 H13 111.489
C11 C15 H14 111.489 H12 C15 H13 107.747
H12 C15 H14 107.747 H13 C15 H14 108.039
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 H 0.099      
2 C 0.062      
3 H 0.088      
4 C -0.169      
5 H 0.128      
6 H 0.128      
7 H 0.112      
8 C -0.387      
9 H 0.118      
10 H 0.118      
11 C -0.210      
12 H 0.120      
13 H 0.139      
14 H 0.139      
15 C -0.486      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.089 0.012 0.000 0.090
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.390 0.602 0.000
y 0.602 -32.643 0.000
z 0.000 0.000 -34.959
Traceless
 xyz
x 1.411 0.602 0.000
y 0.602 1.032 0.000
z 0.000 0.000 -2.443
Polar
3z2-r2-4.886
x2-y20.252
xy0.602
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.142 0.537 0.000
y 0.537 8.640 0.000
z 0.000 0.000 7.202


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