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All results from a given calculation for C5H10 (Cyclopentane)

using model chemistry: B1B95/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B1B95/cc-pVDZ
 hartrees
Energy at 0K-196.444260
Energy at 298.15K-196.455868
HF Energy-196.444260
Nuclear repulsion energy188.065839
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 B1B95/cc-pVDZ
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 3132 3010 85.54      
2 A 3119 2998 13.62      
3 A 3115 2994 27.49      
4 A 3112 2991 17.98      
5 A 3103 2983 29.66      
6 A 3077 2957 46.73      
7 A 3060 2942 52.34      
8 A 3059 2940 1.21      
9 A 3049 2931 37.72      
10 A 3045 2927 19.24      
11 A 1491 1434 0.09      
12 A 1462 1406 3.98      
13 A 1461 1405 2.77      
14 A 1455 1398 4.41      
15 A 1448 1392 0.11      
16 A 1341 1289 0.40      
17 A 1338 1286 0.45      
18 A 1337 1285 0.01      
19 A 1313 1262 0.45      
20 A 1283 1233 0.04      
21 A 1271 1222 0.90      
22 A 1225 1177 0.36      
23 A 1224 1176 0.14      
24 A 1193 1146 0.20      
25 A 1184 1138 0.02      
26 A 1071 1029 0.04      
27 A 1050 1009 0.01      
28 A 991 953 0.31      
29 A 961 924 1.12      
30 A 936 900 1.40      
31 A 925 889 1.21      
32 A 911 875 0.62      
33 A 874 840 0.82      
34 A 821 789 0.17      
35 A 758 729 0.92      
36 A 609 585 0.15      
37 A 536 515 1.65      
38 A 276 265 0.01      
39 A 31 30 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 30823.4 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 29627.4 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 B1B95/cc-pVDZ
ABC
0.21857 0.21817 0.12669

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/cc-pVDZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.020 -0.716 0.259
C2 -0.367 1.223 0.142
C3 -1.297 -0.002 0.002
C4 -0.364 -1.223 -0.146
C5 1.019 0.718 -0.257
H6 -0.343 1.559 1.190
H7 -0.700 2.082 -0.457
H8 -1.960 0.092 -0.869
H9 -1.951 -0.100 0.879
H10 -0.336 -1.551 -1.196
H11 -0.694 -2.087 0.446
H12 1.840 -1.329 -0.140
H13 1.118 -0.711 1.357
H14 1.121 0.713 -1.355
H15 1.836 1.334 0.144

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13 H14 H15
C12.38672.43781.52831.52362.81013.36083.28733.09712.15722.20291.09891.10262.15812.2088
C22.38671.54422.46261.52911.10081.09842.19972.19143.07983.34023.38582.72482.17202.2066
C32.43781.54421.54362.43942.18142.21591.09881.09882.18122.21573.40892.85872.86353.4091
C41.52832.46261.54362.38563.08583.33622.19102.19821.10081.09852.20622.17182.72293.3851
C51.52361.52912.43942.38562.15842.20353.10553.28422.80423.36122.20812.15851.10261.0989
H62.81011.10082.18143.08582.15841.76433.00132.33153.91973.73783.85642.70473.05572.4280
H73.36081.09842.21593.33622.20351.76432.39162.84823.72494.26594.26413.79422.44872.7114
H83.28732.19971.09882.19103.10553.00132.39161.75862.33332.84314.12223.88303.18074.1209
H93.09712.19141.09882.19823.28422.33152.84821.75863.00372.39154.11373.16603.88504.1162
H102.15723.07982.18121.10082.80423.91973.72492.33333.00371.76452.42893.05612.69653.8513
H112.20293.34022.21571.09853.36123.73784.26592.84312.39151.76452.70872.45083.79204.2655
H121.09893.38583.40892.20622.20813.85644.26414.12224.11372.42892.70871.77312.48272.6774
H131.10262.72482.85872.17182.15852.70473.79423.88303.16603.05612.45081.77313.06382.4840
H142.15812.17202.86352.72291.10263.05572.44873.18073.88502.69653.79202.48273.06381.7731
H152.20882.20663.40913.38511.09892.42802.71144.12094.11623.85134.26552.67742.48401.7731

picture of Cyclopentane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C4 C3 105.044 C1 C4 H10 109.194
C1 C4 H11 112.978 C1 C5 C2 102.860
C1 C5 H14 109.481 C1 C5 H15 113.777
C2 C3 C4 105.792 C2 C3 H8 111.558
C2 C3 H9 110.898 C2 C5 H14 110.190
C2 C5 H15 113.191 C3 C2 C5 105.074
C3 C2 H6 109.992 C3 C2 H7 112.887
C3 C4 H10 110.008 C3 C4 H11 112.909
C4 C1 C5 102.831 C4 C1 H12 113.217
C4 C1 H13 110.230 C4 C3 H8 110.907
C4 C3 H9 111.476 C5 C1 H12 113.718
C5 C1 H13 109.513 C5 C2 H6 109.227
C5 C2 H7 112.966 H6 C2 H7 106.686
H8 C3 H9 106.303 H10 C4 H11 106.699
H12 C1 H13 107.293 H14 C5 H15 107.299
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.037      
2 C -0.037      
3 C -0.030      
4 C -0.037      
5 C -0.037      
6 H 0.023      
7 H 0.013      
8 H 0.020      
9 H 0.020      
10 H 0.023      
11 H 0.012      
12 H 0.013      
13 H 0.022      
14 H 0.022      
15 H 0.012      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.013 -0.001 0.000 0.013
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.595 0.001 0.001
y 0.001 -33.598 -0.024
z 0.001 -0.024 -32.481
Traceless
 xyz
x -0.556 0.001 0.001
y 0.001 -0.559 -0.024
z 0.001 -0.024 1.115
Polar
3z2-r22.230
x2-y20.002
xy0.001
xz0.001
yz-0.024


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.225 0.000 -0.000
y 0.000 8.241 0.011
z -0.000 0.011 7.368


<r2> (average value of r2) Å2
<r2> 114.802
(<r2>)1/2 10.715