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All results from a given calculation for C6H10 (Cyclopentene, 1-methyl-)

using model chemistry: B1B95/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B1B95/6-31+G**
 hartrees
Energy at 0K-234.531810
Energy at 298.15K-234.542705
Nuclear repulsion energy234.014639
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 B1B95/6-31+G**
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 3206 3067 19.97      
2 A 3143 3007 23.74      
3 A 3130 2994 41.05      
4 A 3097 2963 18.84      
5 A 3090 2956 53.80      
6 A 3081 2948 37.60      
7 A 3069 2936 11.09      
8 A 3040 2908 47.06      
9 A 3025 2894 57.64      
10 A 3023 2892 36.68      
11 A 1739 1663 3.59      
12 A 1505 1440 1.77      
13 A 1486 1422 9.99      
14 A 1483 1419 1.24      
15 A 1477 1413 3.31      
16 A 1476 1412 7.93      
17 A 1411 1350 3.51      
18 A 1366 1306 1.70      
19 A 1333 1275 1.39      
20 A 1326 1269 2.03      
21 A 1278 1222 1.80      
22 A 1252 1197 1.07      
23 A 1229 1176 1.87      
24 A 1178 1126 0.60      
25 A 1150 1100 1.93      
26 A 1083 1036 1.38      
27 A 1053 1007 2.27      
28 A 1025 980 6.78      
29 A 1016 972 6.35      
30 A 949 908 2.31      
31 A 928 887 0.87      
32 A 903 864 0.26      
33 A 881 843 0.51      
34 A 833 797 5.85      
35 A 805 770 12.82      
36 A 643 615 1.46      
37 A 573 548 0.05      
38 A 440 421 4.77      
39 A 315 301 0.55      
40 A 244 234 2.91      
41 A 178 170 0.88      
42 A 150 143 0.07      

Unscaled Zero Point Vibrational Energy (zpe) 31806.0 cm-1
Scaled (by 0.9566) Zero Point Vibrational Energy (zpe) 30425.6 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 B1B95/6-31+G**
ABC
0.23411 0.10177 0.07558

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31+G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.754 0.073 -0.002
H2 -0.331 2.176 -0.080
C3 0.033 1.154 -0.026
H4 -2.649 -0.440 0.859
H5 -2.599 -0.562 -0.893
H6 -2.674 1.033 -0.125
C7 -2.244 0.032 -0.044
H8 -0.009 -1.566 1.170
H9 -0.264 -1.990 -0.515
C10 0.073 -1.181 0.143
H11 1.697 -0.872 -1.243
H12 2.268 -1.243 0.382
C13 1.499 -0.707 -0.180
H14 1.856 1.036 1.109
H15 2.129 1.363 -0.594
C16 1.490 0.806 0.098

Atom - Atom Distances (Å)
  C1 H2 C3 H4 H5 H6 C7 H8 H9 C10 H11 H12 C13 H14 H15 C16
C12.14691.33762.14382.14492.14981.49132.14802.18141.50962.90563.31852.39112.99563.21382.3630
H22.14691.08603.61943.64792.60752.87403.95814.18933.38923.84204.31943.41672.73732.64142.2854
C31.33761.08603.24323.25962.71112.53872.97183.19572.34222.89113.30292.37482.15082.18201.5033
H42.14383.61943.24321.75671.77141.09602.88703.15942.91104.84745.00534.28484.74725.31004.3891
H52.14493.64793.25961.75671.77201.09573.45972.76302.93214.32165.07714.16225.13895.11404.4245
H62.14982.60752.71111.77141.77201.09203.94093.88553.53854.89745.46424.52154.69464.83714.1759
C71.49132.87402.53871.09601.09571.09203.00382.86952.62284.21814.70843.81824.37574.60463.8163
H82.14803.95812.97182.88703.45973.94093.00381.75621.09953.03572.43132.19863.20184.03283.0037
H92.18144.18933.19573.15942.76303.88552.86951.75621.09562.37142.78792.20564.03574.12003.3572
C101.50963.38922.34222.91102.93213.53852.62281.09951.09562.15742.20871.53703.00473.35342.4414
H112.90563.84202.89114.84744.32164.89744.21813.03572.37142.15741.76181.09413.03332.36762.1590
H123.31854.31943.30295.00535.07715.46424.70842.43132.78792.20871.76181.09252.42752.78632.2102
C132.39113.41672.37484.28484.16224.52153.81822.19862.20561.53701.09411.09252.19742.20361.5391
H142.99562.73732.15084.74725.13894.69464.37573.20184.03573.00473.03332.42752.19741.75591.0990
H153.21382.64142.18205.31005.11404.83714.60464.03284.12003.35342.36762.78632.20361.75591.0948
C162.36302.28541.50334.38914.42454.17593.81633.00373.35722.44142.15902.21021.53911.09901.0948

picture of Cyclopentene, 1-methyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 H2 124.381 C1 C3 C16 112.434
C1 C7 H4 110.975 C1 C7 H5 111.092
C1 C7 H6 111.718 C1 C10 H8 109.828
C1 C10 H9 112.754 C1 C10 C13 103.412
H2 C3 C16 123.119 C3 C1 C7 127.547
C3 C1 C10 110.552 C3 C16 C13 102.614
C3 C16 H14 110.515 C3 C16 H15 113.310
H4 C7 H5 106.551 H4 C7 H6 108.111
H5 C7 H6 108.190 C7 C1 C10 121.846
H8 C10 H9 106.273 H8 C10 C13 111.934
H9 C10 C13 112.743 C10 C13 H11 109.003
C10 C13 H12 113.189 C10 C13 C16 105.060
H11 C13 H12 107.358 H11 C13 C16 108.979
H12 C13 C16 113.155 C13 C16 H14 111.714
C13 C16 H15 112.475 H14 C16 H15 106.335
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.464      
2 H 0.132      
3 C -0.264      
4 H 0.163      
5 H 0.165      
6 H 0.162      
7 C -0.534      
8 H 0.164      
9 H 0.155      
10 C -0.513      
11 H 0.167      
12 H 0.152      
13 C -0.329      
14 H 0.162      
15 H 0.155      
16 C -0.402      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.124 -0.227 0.096 0.276
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.473 0.182 0.074
y 0.182 -37.759 -0.042
z 0.074 -0.042 -39.172
Traceless
 xyz
x 0.993 0.182 0.074
y 0.182 0.563 -0.042
z 0.074 -0.042 -1.556
Polar
3z2-r2-3.112
x2-y20.286
xy0.182
xz0.074
yz-0.042


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.612 0.909 0.055
y 0.909 10.712 -0.107
z 0.055 -0.107 7.986


<r2> (average value of r2) Å2
<r2> 169.527
(<r2>)1/2 13.020