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All results from a given calculation for C6H10 (Cyclopentene, 4-methyl-)

using model chemistry: B3PW91/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3PW91/3-21G
 hartrees
Energy at 0K-233.287414
Energy at 298.15K-233.298578
Nuclear repulsion energy233.996482
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 B3PW91/3-21G
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 3236 3110 23.26      
2 A 3206 3082 4.62      
3 A 3122 3001 49.96      
4 A 3116 2996 20.35      
5 A 3100 2980 16.89      
6 A 3094 2974 23.38      
7 A 3067 2948 4.23      
8 A 3046 2928 28.44      
9 A 3031 2914 13.63      
10 A 3031 2913 32.32      
11 A 1686 1621 0.98      
12 A 1563 1502 9.40      
13 A 1556 1496 4.02      
14 A 1534 1474 1.64      
15 A 1528 1469 3.81      
16 A 1454 1398 6.95      
17 A 1391 1337 0.59      
18 A 1380 1326 5.04      
19 A 1359 1306 0.05      
20 A 1322 1270 4.62      
21 A 1316 1265 7.53      
22 A 1279 1229 0.98      
23 A 1207 1160 0.75      
24 A 1171 1126 4.11      
25 A 1161 1116 0.06      
26 A 1126 1082 0.27      
27 A 1076 1035 0.91      
28 A 1004 965 6.52      
29 A 992 953 0.26      
30 A 976 938 1.96      
31 A 954 917 6.38      
32 A 924 888 4.45      
33 A 913 877 0.84      
34 A 824 792 2.13      
35 A 793 762 0.82      
36 A 717 689 49.11      
37 A 586 563 6.42      
38 A 422 406 1.78      
39 A 394 378 0.09      
40 A 325 312 0.25      
41 A 261 251 0.04      
42 A 93 89 0.05      

Unscaled Zero Point Vibrational Energy (zpe) 32165.4 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 30917.4 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 B3PW91/3-21G
ABC
0.22225 0.10565 0.07807

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/3-21G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -2.438 -1.296 -0.152
C2 -1.558 -0.668 -0.072
H3 -2.438 1.296 -0.152
C4 -1.558 0.668 -0.072
H5 0.161 -1.612 -0.987
H6 -0.056 -2.058 0.720
C7 -0.150 -1.236 0.001
H8 -0.056 2.058 0.720
H9 0.161 1.612 -0.986
C10 -0.150 1.236 0.001
H11 0.790 0.000 1.509
C12 0.713 0.000 0.414
H13 2.681 -0.888 0.106
H14 2.681 0.888 0.106
H15 2.044 -0.000 -1.298
C16 2.115 -0.000 -0.202

Atom - Atom Distances (Å)
  H1 C2 H3 C4 H5 H6 C7 H8 H9 C10 H11 C12 H13 H14 H15 C16
H11.08452.59222.15392.74862.64922.29414.20593.98903.41613.85493.45405.14265.57234.80484.7349
C21.08452.15391.33612.16412.19471.51973.21202.99852.36892.90842.41644.24894.51953.86313.7359
H32.59222.15391.08453.98894.20603.41612.64922.74862.29423.85503.45415.57235.14274.80484.7350
C42.15391.33611.08452.99843.21212.36892.19472.16411.51972.90842.41644.51954.24893.86323.7359
H52.74862.16413.98892.99841.77721.10154.05353.22393.03003.03682.20542.84053.71402.49802.6516
H62.64922.19474.20603.21211.77721.09684.11704.05363.37312.36132.21863.03974.06843.56623.1309
C72.29411.51973.41612.36891.10151.09683.37313.03012.47142.16481.56292.85493.54112.83342.5887
H84.20593.21202.64922.19474.05354.11703.37311.77721.09682.36122.21854.06853.03993.56633.1310
H93.98902.99852.74862.16413.22394.05363.03011.77721.10153.03692.20543.71412.84052.49812.6517
C103.41612.36892.29421.51973.03003.37312.47141.09681.10152.16471.56283.54112.85492.83342.5887
H113.85492.90843.85502.90843.03682.36132.16482.36123.03692.16471.09812.51742.51743.07462.1651
C123.45402.41643.45412.41642.20542.21861.56292.21852.20541.56281.09812.18162.18162.16841.5320
H135.14264.24895.57234.51952.84053.03972.85494.06853.71413.54112.51742.18161.77601.77891.0973
H145.57234.51955.14274.24893.71404.06843.54113.03992.84052.85492.51742.18161.77601.77891.0973
H154.80483.86314.80483.86322.49803.56622.83343.56632.49812.83343.07462.16841.77891.77891.0975
C164.73493.73594.73503.73592.65163.13092.58873.13102.65172.58872.16511.53201.09731.09731.0975

picture of Cyclopentene, 4-methyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 C2 C4 125.388 H1 C2 C7 122.636
C2 C4 H3 125.391 C2 C4 C10 111.933
C2 C7 H5 110.283 C2 C7 H6 113.036
C2 C7 C12 103.228 H3 C4 C10 122.636
C4 C2 C7 111.937 C4 C10 H8 113.029
C4 C10 H9 110.283 C4 C10 C12 103.228
H5 C7 H6 107.887 H5 C7 C12 110.536
H6 C7 C12 111.859 C7 C12 C10 104.501
C7 C12 H11 107.599 C7 C12 C16 113.526
H8 C10 H9 107.887 H8 C10 C12 111.860
H9 C10 C12 110.541 C10 C12 H11 107.600
C10 C12 C16 113.529 H11 C12 C16 109.707
C12 C16 H13 111.057 C12 C16 H14 111.058
C12 C16 H15 110.002 H13 C16 H14 108.051
H13 C16 H15 108.288 H14 C16 H15 108.287
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.202      
2 C -0.191      
3 H 0.202      
4 C -0.191      
5 H 0.221      
6 H 0.215      
7 C -0.442      
8 H 0.215      
9 H 0.221      
10 C -0.442      
11 H 0.226      
12 C -0.257      
13 H 0.208      
14 H 0.208      
15 H 0.206      
16 C -0.603      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.212 0.000 -0.016 0.213
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.494 -0.000 0.387
y -0.000 -36.541 -0.000
z 0.387 -0.000 -39.232
Traceless
 xyz
x 0.392 -0.000 0.387
y -0.000 1.823 -0.000
z 0.387 -0.000 -2.214
Polar
3z2-r2-4.429
x2-y2-0.954
xy-0.000
xz0.387
yz-0.000


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


<r2> (average value of r2) Å2
<r2> 164.648
(<r2>)1/2 12.832