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

using model chemistry: HF/LANL2DZ

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/LANL2DZ
 hartrees
Energy at 0K-195.086211
Energy at 298.15K-195.096619
Nuclear repulsion energy170.358027
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/LANL2DZ
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' 3357 3021 45.65      
2 A' 3320 2988 42.77      
3 A' 3282 2954 30.79      
4 A' 3276 2948 73.22      
5 A' 3199 2879 30.90      
6 A' 3186 2867 61.56      
7 A' 3184 2865 76.44      
8 A' 1879 1691 0.04      
9 A' 1656 1490 6.14      
10 A' 1645 1481 16.93      
11 A' 1643 1478 0.97      
12 A' 1573 1416 7.25      
13 A' 1567 1410 5.27      
14 A' 1525 1373 5.37      
15 A' 1465 1319 0.39      
16 A' 1453 1307 1.77      
17 A' 1253 1127 2.24      
18 A' 1173 1055 3.10      
19 A' 1147 1033 1.61      
20 A' 1032 928 8.27      
21 A' 916 824 0.14      
22 A' 626 563 0.45      
23 A' 393 354 0.25      
24 A' 220 198 0.36      
25 A" 3283 2954 80.77      
26 A" 3252 2926 52.00      
27 A" 3217 2895 33.99      
28 A" 1650 1485 8.76      
29 A" 1633 1469 10.18      
30 A" 1411 1269 0.28      
31 A" 1233 1110 3.30      
32 A" 1197 1077 1.82      
33 A" 1120 1008 48.53      
34 A" 931 838 2.91      
35 A" 803 723 0.96      
36 A" 311 280 3.60      
37 A" 231 208 2.05      
38 A" 207 186 1.76      
39 A" 124 112 0.05      

Unscaled Zero Point Vibrational Energy (zpe) 32285.4 cm-1
Scaled (by 0.8999) Zero Point Vibrational Energy (zpe) 29053.6 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/LANL2DZ
ABC
0.44969 0.08081 0.07117

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/LANL2DZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -0.755 -1.219 0.000
C2 -0.988 -0.168 0.000
H3 -0.261 1.777 0.000
C4 0.000 0.730 0.000
H5 -2.953 -0.242 0.874
H6 -2.953 -0.242 -0.874
H7 -2.620 1.244 0.000
C8 -2.460 0.172 0.000
H9 1.927 0.945 -0.867
H10 1.927 0.945 0.867
C11 1.490 0.455 0.000
H12 2.981 -1.115 0.000
H13 1.524 -1.539 0.878
H14 1.524 -1.539 -0.878
C15 1.900 -1.025 0.000

Atom - Atom Distances (Å)
  H1 C2 H3 C4 H5 H6 H7 C8 H9 H10 C11 H12 H13 H14 C15
H11.07623.03622.08962.55922.55923.08892.20003.55333.55332.79993.73752.46342.46342.6621
C21.07622.07641.33472.15252.15252.15791.51073.23803.23802.55464.08012.99342.99343.0122
H33.03622.07641.07913.47743.47742.41852.72252.49572.49572.19404.34423.86693.86693.5384
C42.08961.33471.07913.22973.22972.66962.52212.12382.12381.51523.50582.87102.87102.5865
H52.55922.15253.47743.22971.74891.75641.08625.31575.02244.58166.06144.66134.97994.9930
H62.55922.15253.47743.22971.74891.75641.08625.02245.31574.58166.06144.97994.66134.9930
H73.08892.15792.41852.66961.75641.75641.08384.63804.63804.18476.07725.06835.06835.0572
C82.20001.51072.72252.52211.08621.08621.08384.53774.53773.95975.59094.42384.42384.5211
H93.55333.23802.49572.12385.31575.02244.63804.53771.73381.08772.47133.06242.51672.1527
H103.55333.23802.49572.12385.02245.31574.63804.53771.73381.08772.47132.51673.06242.1527
C112.79992.55462.19401.51524.58164.58164.18473.95971.08771.08772.16492.17872.17871.5354
H123.73754.08014.34423.50586.06146.06146.07725.59092.47132.47132.16491.75311.75311.0847
H132.46342.99343.86692.87104.66134.97995.06834.42383.06242.51672.17871.75311.75621.0847
H142.46342.99343.86692.87104.97994.66135.06834.42382.51673.06242.17871.75311.75621.0847
C152.66213.01223.53842.58654.99304.99305.05724.52112.15272.15271.53541.08471.08471.0847

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 119.785 H1 C2 C8 115.487
C2 C4 H3 118.296 C2 C4 C11 127.262
C2 C8 H5 110.905 C2 C8 H6 110.905
C2 C8 H7 111.489 H3 C4 C11 114.442
C4 C2 C8 124.728 C4 C11 H9 108.241
C4 C11 H10 108.241 C4 C11 C15 115.959
H5 C8 H6 107.226 H5 C8 H7 108.075
H6 C8 H7 108.075 H9 C11 H10 105.690
H9 C11 C15 109.111 H10 C11 C15 109.111
C11 C15 H12 110.247 C11 C15 H13 111.353
C11 C15 H14 111.353 H12 C15 H13 107.818
H12 C15 H14 107.818 H13 C15 H14 108.108
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/LANL2DZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.189      
2 C -0.133      
3 H 0.179      
4 C -0.162      
5 H 0.179      
6 H 0.179      
7 H 0.176      
8 C -0.598      
9 H 0.166      
10 H 0.166      
11 C -0.292      
12 H 0.175      
13 H 0.172      
14 H 0.172      
15 C -0.568      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.093 0.011 0.000 0.094
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.199 0.578 0.000
y 0.578 -32.581 0.000
z 0.000 0.000 -35.262
Traceless
 xyz
x 1.722 0.578 0.000
y 0.578 1.150 0.000
z 0.000 0.000 -2.872
Polar
3z2-r2-5.744
x2-y20.381
xy0.578
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.616 0.986 0.000
y 0.986 7.560 0.000
z 0.000 0.000 5.662


<r2> (average value of r2) Å2
<r2> 173.598
(<r2>)1/2 13.176