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All results from a given calculation for C5H10 (Cyclopentane)

using model chemistry: wB97X-D/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at wB97X-D/TZVP
 hartrees
Energy at 0K-196.562317
Energy at 298.15K 
HF Energy-196.562317
Nuclear repulsion energy187.927405
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 wB97X-D/TZVP
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 3138 2997 96.81      
2 A 3123 2982 27.36      
3 A 3121 2981 29.74      
4 A 3117 2977 5.18      
5 A 3105 2966 35.32      
6 A 3086 2947 53.08      
7 A 3071 2933 26.43      
8 A 3061 2924 37.87      
9 A 3059 2921 29.96      
10 A 3053 2916 20.88      
11 A 1534 1465 0.14      
12 A 1508 1440 4.87      
13 A 1505 1438 4.91      
14 A 1501 1434 6.01      
15 A 1491 1424 0.07      
16 A 1363 1301 0.55      
17 A 1360 1299 0.64      
18 A 1353 1292 0.10      
19 A 1336 1276 0.77      
20 A 1316 1256 0.01      
21 A 1292 1234 0.82      
22 A 1250 1193 0.20      
23 A 1243 1187 0.30      
24 A 1218 1163 0.33      
25 A 1193 1140 0.00      
26 A 1071 1023 0.03      
27 A 1055 1007 0.00      
28 A 1018 972 0.62      
29 A 980 936 1.60      
30 A 925 883 2.49      
31 A 918 876 2.67      
32 A 901 860 0.77      
33 A 881 841 0.79      
34 A 833 796 0.16      
35 A 774 739 0.87      
36 A 625 597 0.08      
37 A 557 532 1.08      
38 A 264 252 0.02      
39 A 60i 57i 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 31068.7 cm-1
Scaled (by 0.955) Zero Point Vibrational Energy (zpe) 29670.6 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 wB97X-D/TZVP
ABC
0.21784 0.21768 0.12576

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/TZVP

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.064 -0.659 0.256
C2 -0.447 1.205 0.126
C3 -1.298 -0.085 0.015
C4 -0.290 -1.246 -0.155
C5 0.981 0.783 -0.242
H6 -0.464 1.578 1.153
H7 -0.822 2.008 -0.511
H8 -1.986 -0.038 -0.830
H9 -1.907 -0.222 0.910
H10 -0.248 -1.553 -1.203
H11 -0.564 -2.126 0.428
H12 1.910 -1.211 -0.159
H13 1.166 -0.668 1.345
H14 1.114 0.803 -1.328
H15 1.740 1.436 0.194

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13 H14 H15
C12.40412.44261.53231.52852.85413.35543.29673.07342.15622.19841.09111.09442.15622.2020
C22.40411.54902.47231.53451.09251.09062.19702.18673.06873.34743.38762.75682.17122.2001
C32.44261.54901.54642.45222.18052.20951.09081.09102.17762.20833.40372.85972.89973.4011
C41.53232.47231.54642.39653.11693.31592.18832.18951.09291.09082.20052.16912.74713.3813
C51.52851.53452.45222.39652.15992.19603.13453.26782.80993.36212.20152.15911.09421.0911
H62.85411.09252.18053.11692.15991.75522.97652.31993.92463.77613.88992.78183.04052.4071
H73.35541.09062.20953.31592.19601.75522.37552.85803.67294.24724.23623.81542.42212.7175
H83.29672.19701.09082.18833.13452.97652.37551.75102.33582.82214.12343.88093.25064.1352
H93.07342.18671.09102.18953.26782.31992.85801.75102.99792.37934.08463.13503.89674.0689
H102.15623.06872.17761.09292.80993.92463.67292.33582.99791.75712.42163.04562.72473.8518
H112.19843.34742.20831.09083.36213.77614.24722.82212.37931.75712.70202.44123.80534.2483
H121.09113.38763.40372.20052.20153.88994.23624.12344.08462.42162.70201.76342.46102.6753
H131.09442.75682.85972.16912.15912.78183.81543.88093.13503.04562.44121.76343.05192.4660
H142.15622.17122.89972.74711.09423.04052.42213.25063.89672.72473.80532.46103.05191.7629
H152.20202.20013.40113.38131.09112.40712.71754.13524.06893.85184.24832.67532.46601.7629

picture of Cyclopentane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C4 C3 105.005 C1 C4 H10 109.293
C1 C4 H11 112.796 C1 C5 C2 103.416
C1 C5 H14 109.479 C1 C5 H15 113.347
C2 C3 C4 106.010 C2 C3 H8 111.478
C2 C3 H9 110.647 C2 C5 H14 110.249
C2 C5 H15 112.761 C3 C2 C5 105.356
C3 C2 H6 110.070 C3 C2 H7 112.497
C3 C4 H10 110.004 C3 C4 H11 112.582
C4 C1 C5 103.062 C4 C1 H12 112.942
C4 C1 H13 110.223 C4 C3 H8 110.971
C4 C3 H9 111.057 C5 C1 H12 113.303
C5 C1 H13 109.693 C5 C2 H6 109.455
C5 C2 H7 112.446 H6 C2 H7 107.021
H8 C3 H9 106.748 H10 C4 H11 107.149
H12 C1 H13 107.582 H14 C5 H15 107.555
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.240      
2 C -0.263      
3 C -0.261      
4 C -0.259      
5 C -0.244      
6 H 0.126      
7 H 0.128      
8 H 0.125      
9 H 0.126      
10 H 0.124      
11 H 0.131      
12 H 0.134      
13 H 0.119      
14 H 0.120      
15 H 0.133      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.013 -0.002 0.001 0.013
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.746 -0.001 0.015
y -0.001 -33.734 -0.030
z 0.015 -0.030 -32.527
Traceless
 xyz
x -0.616 -0.001 0.015
y -0.001 -0.597 -0.030
z 0.015 -0.030 1.213
Polar
3z2-r22.426
x2-y2-0.012
xy-0.001
xz0.015
yz-0.030


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.679 -0.002 -0.008
y -0.002 8.664 0.024
z -0.008 0.024 7.713


<r2> (average value of r2) Å2
<r2> 115.184
(<r2>)1/2 10.732