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All results from a given calculation for C5H10 (Cyclopentane)

using model chemistry: wB97X-D/aug-cc-pVTZ

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/aug-cc-pVTZ
 hartrees
Energy at 0K-196.566403
Energy at 298.15K 
HF Energy-196.566403
Nuclear repulsion energy188.155643
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/aug-cc-pVTZ
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 3130 2994 97.55      
2 A 3116 2980 32.00      
3 A 3114 2979 21.15      
4 A 3111 2976 13.08      
5 A 3098 2964 30.19      
6 A 3079 2945 54.23      
7 A 3063 2930 34.31      
8 A 3059 2927 24.45      
9 A 3052 2919 37.20      
10 A 3045 2913 19.52      
11 A 1529 1462 0.12      
12 A 1507 1442 4.58      
13 A 1500 1435 4.74      
14 A 1498 1433 5.16      
15 A 1486 1421 0.31      
16 A 1364 1305 0.21      
17 A 1357 1298 0.19      
18 A 1349 1290 0.01      
19 A 1335 1277 0.59      
20 A 1315 1258 0.02      
21 A 1294 1238 0.81      
22 A 1249 1195 0.13      
23 A 1241 1187 0.31      
24 A 1214 1162 0.20      
25 A 1190 1138 0.01      
26 A 1069 1023 0.03      
27 A 1051 1006 0.01      
28 A 1015 971 0.50      
29 A 978 935 1.15      
30 A 925 885 1.99      
31 A 916 876 2.17      
32 A 900 861 0.62      
33 A 880 842 0.74      
34 A 832 796 0.12      
35 A 767 734 0.64      
36 A 623 596 0.06      
37 A 555 531 1.08      
38 A 269 257 0.00      
39 A 81i 78i 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 30996.7 cm-1
Scaled (by 0.9566) Zero Point Vibrational Energy (zpe) 29651.5 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 wB97X-D/aug-cc-pVTZ
ABC
0.21829 0.21825 0.12612

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.038 -0.698 0.256
C2 -0.401 1.220 0.126
C3 -1.298 -0.036 0.016
C4 -0.337 -1.233 -0.155
C5 1.009 0.745 -0.242
H6 -0.404 1.593 1.151
H7 -0.745 2.034 -0.511
H8 -1.984 0.037 -0.828
H9 -1.911 -0.151 0.909
H10 -0.306 -1.540 -1.202
H11 -0.643 -2.101 0.426
H12 1.861 -1.280 -0.158
H13 1.138 -0.711 1.344
H14 1.142 0.760 -1.326
H15 1.790 1.368 0.194

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13 H14 H15
C12.40152.43991.53071.52692.85103.35143.29303.06912.15392.19591.08961.09302.15372.1994
C22.40151.54752.46971.53291.09101.08912.19412.18433.06463.34373.38372.75352.16872.1974
C32.43991.54751.54472.44962.17812.20661.08931.08952.17482.20543.39982.85582.89643.3971
C41.53072.46971.54472.39383.11383.31162.18582.18671.09141.08922.19812.16662.74353.3773
C51.52691.53292.44962.39382.15732.19343.13093.26382.80623.35822.19882.15671.09281.0895
H62.85101.09102.17813.11382.15731.75292.97252.31753.91973.77233.88522.77873.03672.4040
H73.35141.08912.20663.31162.19341.75292.37172.85473.66734.24174.23103.81072.41922.7143
H83.29302.19411.08932.18583.13092.97252.37171.74882.33302.81844.11903.87583.24704.1300
H93.06912.18431.08952.18673.26382.31752.85471.74882.99392.37604.07913.13003.89184.0636
H102.15393.06462.17481.09142.80623.91973.66732.33302.99391.75482.41963.04222.72063.8467
H112.19593.34372.20541.08923.35823.77234.24172.81842.37601.75482.69892.43863.80024.2434
H121.08963.38373.39982.19812.19883.88524.23104.11904.07912.41962.69891.76102.45822.6718
H131.09302.75352.85582.16662.15672.77873.81073.87583.13003.04222.43861.76103.04832.4634
H142.15372.16872.89642.74351.09283.03672.41923.24703.89182.72063.80022.45823.04831.7607
H152.19942.19743.39713.37731.08952.40402.71434.13004.06363.84674.24342.67182.46341.7607

picture of Cyclopentane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C4 C3 104.995 C1 C4 H10 109.310
C1 C4 H11 112.802 C1 C5 C2 103.413
C1 C5 H14 109.475 C1 C5 H15 113.350
C2 C3 C4 106.012 C2 C3 H8 111.450
C2 C3 H9 110.655 C2 C5 H14 110.244
C2 C5 H15 112.752 C3 C2 C5 105.352
C3 C2 H6 110.079 C3 C2 H7 112.473
C3 C4 H10 109.986 C3 C4 H11 112.566
C4 C1 C5 103.052 C4 C1 H12 112.960
C4 C1 H13 110.219 C4 C3 H8 110.983
C4 C3 H9 111.040 C5 C1 H12 113.294
C5 C1 H13 109.700 C5 C2 H6 109.454
C5 C2 H7 112.451 H6 C2 H7 107.037
H8 C3 H9 106.771 H10 C4 H11 107.169
H12 C1 H13 107.580 H14 C5 H15 107.571
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.499      
2 C -0.475      
3 C -0.575      
4 C -0.467      
5 C -0.503      
6 H 0.200      
7 H 0.317      
8 H 0.258      
9 H 0.221      
10 H 0.198      
11 H 0.320      
12 H 0.301      
13 H 0.207      
14 H 0.191      
15 H 0.307      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.018 -0.010 0.001 0.020
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.774 0.006 0.001
y 0.006 -33.763 -0.043
z 0.001 -0.043 -32.466
Traceless
 xyz
x -0.660 0.006 0.001
y 0.006 -0.643 -0.043
z 0.001 -0.043 1.302
Polar
3z2-r22.605
x2-y2-0.011
xy0.006
xz0.001
yz-0.043


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.118 0.003 0.002
y 0.003 9.122 0.016
z 0.002 0.016 7.908


<r2> (average value of r2) Å2
<r2> 114.936
(<r2>)1/2 10.721