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

using model chemistry: mPW1PW91/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at mPW1PW91/3-21G
 hartrees
Energy at 0K-233.313958
Energy at 298.15K-233.325159
Nuclear repulsion energy234.416876
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 mPW1PW91/3-21G
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 3257 3109 21.60      
2 A 3228 3081 4.25      
3 A 3141 2998 48.04      
4 A 3136 2994 18.98      
5 A 3120 2978 14.98      
6 A 3115 2973 21.97      
7 A 3085 2945 4.75      
8 A 3063 2924 27.00      
9 A 3050 2912 22.14      
10 A 3049 2911 22.30      
11 A 1699 1622 0.88      
12 A 1570 1499 9.81      
13 A 1564 1493 4.23      
14 A 1541 1471 1.73      
15 A 1535 1465 4.07      
16 A 1462 1396 7.60      
17 A 1399 1336 0.64      
18 A 1389 1325 5.19      
19 A 1367 1305 0.06      
20 A 1330 1269 4.92      
21 A 1324 1264 7.75      
22 A 1287 1229 0.99      
23 A 1214 1159 0.76      
24 A 1181 1127 4.06      
25 A 1168 1115 0.06      
26 A 1133 1082 0.30      
27 A 1085 1036 0.95      
28 A 1011 966 6.57      
29 A 1002 956 0.52      
30 A 984 939 1.89      
31 A 959 916 6.83      
32 A 930 887 4.70      
33 A 919 877 0.57      
34 A 832 794 2.23      
35 A 799 763 0.87      
36 A 723 690 50.22      
37 A 589 563 6.40      
38 A 425 405 1.81      
39 A 397 379 0.09      
40 A 326 311 0.24      
41 A 262 250 0.04      
42 A 94 90 0.05      

Unscaled Zero Point Vibrational Energy (zpe) 32370.8 cm-1
Scaled (by 0.9546) Zero Point Vibrational Energy (zpe) 30901.2 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 mPW1PW91/3-21G
ABC
0.22324 0.10602 0.07835

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/3-21G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -2.435 -1.294 -0.148
C2 -1.556 -0.667 -0.070
H3 -2.435 1.294 -0.147
C4 -1.556 0.667 -0.070
H5 0.160 -1.604 -0.991
H6 -0.052 -2.057 0.713
C7 -0.149 -1.233 -0.002
H8 -0.052 2.058 0.712
H9 0.160 1.602 -0.991
C10 -0.149 1.233 -0.002
H11 0.784 0.000 1.507
C12 0.711 0.000 0.413
H13 2.676 -0.887 0.110
H14 2.676 0.887 0.110
H15 2.042 -0.000 -1.293
C16 2.112 -0.000 -0.199

Atom - Atom Distances (Å)
  H1 C2 H3 C4 H5 H6 C7 H8 H9 C10 H11 C12 H13 H14 H15 C16
H11.08262.58792.15052.74632.64552.29114.20133.97933.41053.84343.44725.13385.56304.79894.7277
C21.08262.15051.33422.16092.19181.51753.20882.99062.36502.89912.41134.24144.51183.85813.7300
H32.58792.15051.08263.98054.20053.41052.64602.74652.29143.84323.44725.56315.13404.79944.7279
C42.15051.33421.08262.99163.20812.36502.19232.16071.51772.89902.41134.51194.24163.85843.7301
H52.74632.16093.98052.99161.77531.09994.04303.20613.01963.03312.20112.83803.70712.49072.6470
H62.64552.19184.20053.20811.77531.09524.11434.04223.36792.35812.21423.02934.05883.55513.1218
C72.29111.51753.41052.36501.09991.09523.36853.01882.46592.16091.55962.84883.53412.82622.5830
H84.20133.20882.64602.19234.04304.11433.36851.77531.09512.35882.21434.05863.02883.55473.1215
H93.97932.99062.74652.16073.20614.04223.01881.77531.10003.03312.20073.70692.83832.49042.6468
C103.41052.36502.29141.51773.01963.36792.46591.09511.10002.16081.55933.53392.84872.82622.5828
H113.84342.89913.84322.89903.03312.35812.16092.35883.03312.16081.09672.51432.51453.07012.1625
C123.44722.41133.44722.41132.20112.21421.55962.21432.20071.55931.09672.17772.17772.16421.5292
H135.13384.24145.56314.51192.83803.02932.84884.05863.70693.53392.51432.17771.77381.77661.0956
H145.56304.51185.13404.24163.70714.05883.53413.02882.83832.84872.51452.17771.77381.77661.0956
H154.79893.85814.79943.85842.49073.55512.82623.55472.49042.82623.07012.16421.77661.77661.0960
C164.72773.73004.72793.73012.64703.12182.58303.12152.64682.58282.16251.52921.09561.09561.0960

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 125.383 H1 C2 C7 122.679
C2 C4 H3 125.381 C2 C4 C10 111.886
C2 C7 H5 110.277 C2 C7 H6 113.054
C2 C7 C12 103.179 H3 C4 C10 122.691
C4 C2 C7 111.897 C4 C10 H8 113.085
C4 C10 H9 110.238 C4 C10 C12 103.179
H5 C7 H6 107.949 H5 C7 C12 110.524
H6 C7 C12 111.839 C7 C12 C10 104.487
C7 C12 H11 107.606 C7 C12 C16 113.484
H8 C10 H9 107.945 H8 C10 C12 111.870
H9 C10 C12 110.505 C10 C12 H11 107.614
C10 C12 C16 113.489 H11 C12 C16 109.783
C12 C16 H13 111.045 C12 C16 H14 111.048
C12 C16 H15 109.949 H13 C16 H14 108.088
H13 C16 H15 108.308 H14 C16 H15 108.308
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.208      
2 C -0.197      
3 H 0.207      
4 C -0.197      
5 H 0.225      
6 H 0.220      
7 C -0.448      
8 H 0.220      
9 H 0.225      
10 C -0.448      
11 H 0.231      
12 C -0.267      
13 H 0.211      
14 H 0.211      
15 H 0.209      
16 C -0.610      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.210 -0.000 -0.019 0.210
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.484 0.000 0.385
y 0.000 -36.535 0.001
z 0.385 0.001 -39.251
Traceless
 xyz
x 0.408 0.000 0.385
y 0.000 1.833 0.001
z 0.385 0.001 -2.241
Polar
3z2-r2-4.483
x2-y2-0.950
xy0.000
xz0.385
yz0.001


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> 164.125
(<r2>)1/2 12.811