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All results from a given calculation for C5H8 (Cyclopentene)

using model chemistry: B3LYPultrafine/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYPultrafine/cc-pVTZ
 hartrees
Energy at 0K-195.399612
Energy at 298.15K-195.408557
HF Energy-195.399612
Nuclear repulsion energy171.413739
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/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' 3192 3086 23.30      
2 A' 3090 2987 42.64      
3 A' 3056 2954 55.56      
4 A' 3036 2934 3.88      
5 A' 2997 2897 31.29      
6 A' 1680 1624 2.45      
7 A' 1510 1460 2.06      
8 A' 1487 1437 1.05      
9 A' 1329 1285 0.81      
10 A' 1233 1192 1.54      
11 A' 1132 1095 0.09      
12 A' 1072 1037 7.21      
13 A' 973 940 0.95      
14 A' 902 872 0.50      
15 A' 819 792 0.94      
16 A' 716 692 31.40      
17 A' 620 599 11.65      
18 A' 135 130 0.18      
19 A" 3168 3062 8.09      
20 A" 3043 2942 37.38      
21 A" 2999 2899 53.27      
22 A" 1492 1442 2.00      
23 A" 1384 1338 1.64      
24 A" 1321 1277 0.09      
25 A" 1313 1269 2.19      
26 A" 1227 1186 0.03      
27 A" 1155 1117 1.35      
28 A" 1035 1000 2.12      
29 A" 979 947 0.05      
30 A" 918 887 6.34      
31 A" 892 862 4.46      
32 A" 786 760 0.34      
33 A" 395 382 0.05      

Unscaled Zero Point Vibrational Energy (zpe) 25541.4 cm-1
Scaled (by 0.9667) Zero Point Vibrational Energy (zpe) 24690.9 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/cc-pVTZ
ABC
0.24431 0.24191 0.13154

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.255 -1.206 0.000
C2 -0.066 -0.326 1.234
C3 -0.066 -0.326 -1.234
C4 -0.066 1.072 0.664
C5 -0.066 1.072 -0.664
H6 1.317 -1.451 0.000
H7 -0.294 -2.147 0.000
H8 -1.046 -0.564 1.661
H9 -1.046 -0.564 -1.661
H10 -0.101 1.957 1.286
H11 -0.101 1.957 -1.286
H12 0.661 -0.456 -2.039
H13 0.661 -0.456 2.039

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.54931.54932.39462.39461.09051.08922.20562.20563.43283.43282.20982.2098
C21.54932.46871.51022.35792.16872.21141.09513.06632.28403.40103.35531.0917
C31.54932.46872.35791.51022.16872.21143.06631.09513.40102.28401.09173.3553
C42.39461.51022.35791.32832.95363.29472.15203.00751.08202.14183.18902.1802
C52.39462.35791.51021.32832.95363.29473.00752.15202.14181.08202.18023.1890
H61.09052.16872.16872.95362.95361.75493.02213.02213.90933.90932.36182.3618
H71.08922.21142.21143.29473.29471.75492.41492.41494.30494.30492.81532.8153
H82.20561.09513.06632.15203.00753.02212.41493.32282.71823.99194.07611.7512
H92.20563.06631.09513.00752.15203.02212.41493.32283.99192.71821.75124.0761
H103.43282.28403.40101.08202.14183.90934.30492.71823.99192.57214.17822.6400
H113.43283.40102.28402.14181.08203.90934.30493.99192.71822.57212.64004.1782
H122.20983.35531.09173.18902.18022.36182.81534.07611.75124.17822.64004.0774
H132.20981.09173.35532.18023.18902.36182.81531.75124.07612.64004.17824.0774

picture of Cyclopentene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 103.003 C1 C2 H8 111.884
C1 C2 H13 112.435 C1 C3 C5 103.003
C1 C3 H9 111.884 C1 C3 H12 112.435
C2 C1 C3 105.633 C2 C1 H6 109.240
C2 C1 H7 112.719 C2 C4 C5 112.183
C2 C4 H10 122.695 C3 C1 H6 109.240
C3 C1 H7 112.719 C3 C5 C4 112.183
C3 C5 H11 122.695 C4 C2 H8 110.369
C4 C2 H13 112.858 C4 C5 H11 125.082
C5 C3 H9 110.369 C5 C3 H12 112.858
C5 C4 H10 125.082 H6 C1 H7 107.240
H8 C2 H13 106.410 H9 C3 H12 106.410
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.167      
2 C -0.148      
3 C -0.148      
4 C -0.141      
5 C -0.141      
6 H 0.088      
7 H 0.089      
8 H 0.086      
9 H 0.086      
10 H 0.112      
11 H 0.112      
12 H 0.087      
13 H 0.087      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.050 -0.198 0.000 0.204
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.763 -0.008 -0.003
y -0.008 -31.629 -0.000
z -0.003 -0.000 -30.994
Traceless
 xyz
x -1.451 -0.008 -0.003
y -0.008 0.250 -0.000
z -0.003 -0.000 1.202
Polar
3z2-r22.403
x2-y2-1.134
xy-0.008
xz-0.003
yz-0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.406 -0.107 -0.003
y -0.107 8.488 -0.000
z -0.003 -0.000 9.793


<r2> (average value of r2) Å2
<r2> 105.189
(<r2>)1/2 10.256