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All results from a given calculation for C5H10 (Cyclopentane)

using model chemistry: B3LYP/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 B3LYP/6-31G*
 hartrees
Energy at 0K-196.557073
Energy at 298.15K-196.568672
HF Energy-196.557073
Nuclear repulsion energy186.940741
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 B3LYP/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 2990 111.98      
2 A 3099 2976 21.27      
3 A 3097 2974 31.10      
4 A 3094 2971 16.53      
5 A 3084 2962 38.99      
6 A 3066 2944 55.20      
7 A 3052 2931 21.45      
8 A 3046 2925 32.32      
9 A 3040 2920 34.54      
10 A 3035 2915 20.78      
11 A 1553 1492 0.05      
12 A 1528 1467 2.04      
13 A 1526 1466 1.07      
14 A 1521 1461 3.28      
15 A 1516 1456 0.10      
16 A 1371 1317 0.82      
17 A 1368 1314 0.78      
18 A 1361 1307 0.04      
19 A 1340 1287 0.49      
20 A 1322 1269 0.00      
21 A 1296 1244 0.86      
22 A 1253 1204 0.43      
23 A 1239 1190 0.33      
24 A 1220 1172 0.39      
25 A 1191 1144 0.01      
26 A 1060 1018 0.01      
27 A 1045 1003 0.00      
28 A 1012 971 0.43      
29 A 980 941 0.93      
30 A 915 879 1.33      
31 A 907 871 1.41      
32 A 888 853 0.39      
33 A 876 841 0.50      
34 A 829 796 0.20      
35 A 775 745 0.88      
36 A 618 593 0.17      
37 A 552 530 1.22      
38 A 267 256 0.00      
39 A 33 32 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 31045.1 cm-1
Scaled (by 0.9603) Zero Point Vibrational Energy (zpe) 29812.6 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 B3LYP/6-31G*
ABC
0.21549 0.21533 0.12434

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.196 0.417 -0.229
C2 -0.684 -1.083 -0.176
C3 -1.261 0.343 0.037
C4 -0.029 1.297 0.104
C5 0.787 -0.980 0.263
H6 -0.726 -1.350 -1.240
H7 -1.243 -1.852 0.368
H8 -1.837 0.395 0.968
H9 -1.950 0.618 -0.769
H10 0.074 1.707 1.116
H11 -0.122 2.152 -0.573
H12 2.122 0.786 0.226
H13 1.358 0.389 -1.315
H14 0.859 -1.025 1.359
H15 1.414 -1.784 -0.139

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13 H14 H15
C12.40612.47301.54461.53682.79973.38483.26083.19822.17562.20621.09581.09862.17152.2140
C22.40611.55282.48411.53901.09781.09552.19582.20123.16693.30773.39572.76312.17732.2125
C32.47301.55281.55982.44892.18672.22001.09571.09532.19282.22353.41742.94812.84863.4222
C41.54462.48411.55982.42393.04903.38532.19712.21661.09661.09522.21412.18242.78463.4108
C51.53681.53902.44892.42392.16472.21223.04523.33302.90833.36722.21422.16591.09911.0959
H62.79971.09782.18673.04902.16471.76233.02542.36413.94153.61563.85012.71493.06142.4455
H73.38481.09552.22003.38532.21221.76232.40072.80953.86844.26374.27853.82382.46682.7057
H83.26082.19581.09572.19713.04523.02542.40071.75512.32262.89874.04663.92683.07204.0671
H93.19822.20121.09532.21663.33302.36412.80951.75512.97252.39454.19503.36023.88804.1809
H102.17563.16692.19281.09662.90833.94153.86842.32262.97251.75762.41553.04932.85343.9448
H112.20623.30772.22351.09523.36723.61564.26372.89872.39451.75762.74622.41903.84604.2479
H121.09583.39573.41742.21412.21423.85014.27854.04664.19502.41552.74621.76602.48172.6912
H131.09862.76312.94812.18242.16592.71493.82383.92683.36023.04932.41901.76603.06592.4717
H142.17152.17732.84862.78461.09913.06142.46683.07203.88802.85343.84602.48173.06591.7685
H152.21402.21253.42223.41081.09592.44552.70574.06714.18093.94484.24792.69122.47171.7685

picture of Cyclopentane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C4 C3 105.610 C1 C4 H10 109.751
C1 C4 H11 112.267 C1 C5 C2 102.936
C1 C5 H14 109.831 C1 C5 H15 113.421
C2 C3 C4 105.893 C2 C3 H8 110.825
C2 C3 H9 111.284 C2 C5 H14 110.133
C2 C5 H15 113.137 C3 C2 C5 104.760
C3 C2 H6 109.990 C3 C2 H7 112.779
C3 C4 H10 110.045 C3 C4 H11 112.571
C4 C1 C5 103.740 C4 C1 H12 112.869
C4 C1 H13 110.174 C4 C3 H8 110.439
C4 C3 H9 112.014 C5 C1 H12 113.448
C5 C1 H13 109.415 C5 C2 H6 109.219
C5 C2 H7 113.145 H6 C2 H7 106.933
H8 C3 H9 106.460 H10 C4 H11 106.622
H12 C1 H13 107.176 H14 C5 H15 107.357
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.263      
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 0.131      
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 0.003 0.001 0.006
CHELPG -0.018 0.003 0.002 0.019
AIM        
ESP -0.023 0.003 -0.005 0.024


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 -32.393
Traceless
 xyz
x -0.539 0.005 0.003
y 0.005 -0.535 -0.009
z 0.003 -0.009 1.074
Polar
3z2-r22.147
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 7.688 0.006 -0.001
y 0.006 7.688 0.007
z -0.001 0.007 7.013


<r2> (average value of r2) Å2
<r2> 116.085
(<r2>)1/2 10.774