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All results from a given calculation for C5H10 (Cyclopentane)

using model chemistry: B3LYPultrafine/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3LYPultrafine/6-31G*
 hartrees
Energy at 0K-196.557067
Energy at 298.15K-196.568651
HF Energy-196.557067
Nuclear repulsion energy186.967409
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 B3LYPultrafine/6-31G*
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 3114 2983 111.31      
2 A 3099 2969 21.87      
3 A 3097 2967 28.27      
4 A 3093 2963 19.49      
5 A 3084 2955 39.69      
6 A 3066 2937 55.03      
7 A 3052 2923 20.18      
8 A 3046 2918 33.78      
9 A 3040 2912 33.23      
10 A 3035 2907 21.22      
11 A 1553 1488 0.05      
12 A 1528 1464 2.22      
13 A 1526 1462 1.05      
14 A 1521 1457 3.19      
15 A 1516 1452 0.09      
16 A 1371 1313 0.81      
17 A 1368 1311 0.76      
18 A 1361 1304 0.04      
19 A 1341 1284 0.50      
20 A 1321 1266 0.01      
21 A 1295 1241 0.84      
22 A 1254 1201 0.45      
23 A 1237 1185 0.30      
24 A 1220 1169 0.39      
25 A 1191 1141 0.01      
26 A 1060 1015 0.01      
27 A 1044 1000 0.00      
28 A 1012 969 0.43      
29 A 979 938 0.95      
30 A 915 876 1.30      
31 A 908 870 1.39      
32 A 888 851 0.40      
33 A 876 840 0.51      
34 A 829 794 0.20      
35 A 775 742 0.88      
36 A 618 592 0.17      
37 A 552 528 1.22      
38 A 269 257 0.00      
39 A 25 24 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 31038.6 cm-1
Scaled (by 0.958) Zero Point Vibrational Energy (zpe) 29735.0 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 B3LYPultrafine/6-31G*
ABC
0.21554 0.21539 0.12442

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.207 0.384 -0.228
C2 -0.712 -1.063 -0.179
C3 -1.251 0.376 0.041
C4 0.006 1.297 0.101
C5 0.759 -1.001 0.265
H6 -0.757 -1.322 -1.245
H7 -1.294 -1.821 0.357
H8 -1.818 0.440 0.976
H9 -1.939 0.670 -0.759
H10 0.120 1.711 1.111
H11 -0.066 2.151 -0.581
H12 2.142 0.729 0.228
H13 1.370 0.349 -1.314
H14 0.826 -1.046 1.361
H15 1.365 -1.822 -0.133

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13 H14 H15
C12.40472.47341.54491.53702.79323.38523.25673.20342.17612.20621.09571.09852.17182.2141
C22.40471.55222.48341.53851.09781.09542.19482.20133.17063.30333.39482.76012.17702.2124
C32.47341.55221.56002.44692.18612.21991.09581.09512.19272.22363.41682.95072.84233.4217
C41.54492.48341.56002.42413.04213.38802.19692.21691.09661.09512.21432.18252.78403.4112
C51.53701.53852.44692.42412.16392.21243.03693.33482.91163.36612.21462.16541.09911.0959
H62.79321.09782.18613.04212.16391.76233.02742.36673.93903.60273.84432.70533.06182.4474
H73.38521.09542.21993.38802.21241.76232.40212.80543.87824.26224.28023.82052.46972.7036
H83.25672.19481.09582.19693.03693.02742.40211.75512.32132.90234.04023.92633.05674.0597
H93.20342.20131.09512.21693.33482.36672.80541.75512.96932.39434.19893.37013.88384.1858
H102.17613.17062.19271.09662.91163.93903.87822.32132.96931.75762.41503.04892.85673.9475
H112.20623.30332.22361.09513.36613.60274.26222.90232.39431.75762.74812.41773.84544.2469
H121.09573.39483.41682.21432.21463.84434.28024.04024.19892.41502.74811.76612.48302.6911
H131.09852.76012.95072.18252.16542.70533.82053.92633.37013.04892.41771.76613.06582.4716
H142.17182.17702.84232.78401.09913.06182.46973.05673.88382.85673.84542.48303.06581.7687
H152.21412.21243.42173.41121.09592.44742.70364.05974.18583.94754.24692.69112.47161.7687

picture of Cyclopentane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C4 C3 105.616 C1 C4 H10 109.772
C1 C4 H11 112.252 C1 C5 C2 102.871
C1 C5 H14 109.839 C1 C5 H15 113.423
C2 C3 C4 105.870 C2 C3 H8 110.784
C2 C3 H9 111.339 C2 C5 H14 110.136
C2 C5 H15 113.169 C3 C2 C5 104.690
C3 C2 H6 109.985 C3 C2 H7 112.815
C3 C4 H10 110.029 C3 C4 H11 112.571
C4 C1 C5 103.735 C4 C1 H12 112.872
C4 C1 H13 110.165 C4 C3 H8 110.411
C4 C3 H9 112.037 C5 C1 H12 113.476
C5 C1 H13 109.370 C5 C2 H6 109.192
C5 C2 H7 113.201 H6 C2 H7 106.939
H8 C3 H9 106.474 H10 C4 H11 106.626
H12 C1 H13 107.200 H14 C5 H15 107.373
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.264      
2 C -0.265      
3 C -0.269      
4 C -0.268      
5 C -0.264      
6 H 0.133      
7 H 0.132      
8 H 0.135      
9 H 0.135      
10 H 0.135      
11 H 0.134      
12 H 0.132      
13 H 0.132      
14 H 0.131      
15 H 0.132      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.005 0.004 0.001 0.006
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.468 0.005 0.003
y 0.005 -33.465 -0.009
z 0.003 -0.009 -32.395
Traceless
 xyz
x -0.538 0.005 0.003
y 0.005 -0.534 -0.009
z 0.003 -0.009 1.072
Polar
3z2-r22.144
x2-y2-0.003
xy0.005
xz0.003
yz-0.009


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.687 0.007 -0.002
y 0.007 7.687 0.007
z -0.002 0.007 7.013


<r2> (average value of r2) Å2
<r2> 116.043
(<r2>)1/2 10.772