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

using model chemistry: HF/CEP-121G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at HF/CEP-121G
 hartrees
Energy at 0K-38.645066
Energy at 298.15K-38.656350
Nuclear repulsion energy126.172801
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 HF/CEP-121G
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 3327 3036 28.82      
2 A 3237 2954 44.78      
3 A 3231 2949 108.59      
4 A 3199 2919 56.90      
5 A 3193 2913 74.41      
6 A 3185 2906 35.38      
7 A 3166 2889 32.44      
8 A 3139 2865 91.34      
9 A 3135 2861 105.76      
10 A 3131 2857 24.89      
11 A 1835 1675 5.03      
12 A 1653 1509 1.85      
13 A 1638 1494 3.12      
14 A 1630 1488 6.63      
15 A 1629 1486 1.39      
16 A 1622 1480 10.40      
17 A 1559 1423 3.01      
18 A 1489 1359 2.69      
19 A 1460 1332 2.05      
20 A 1441 1315 2.10      
21 A 1412 1288 0.90      
22 A 1359 1240 0.79      
23 A 1343 1226 2.43      
24 A 1274 1163 1.91      
25 A 1261 1151 0.19      
26 A 1205 1099 4.19      
27 A 1140 1041 7.04      
28 A 1122 1024 3.89      
29 A 1121 1023 3.50      
30 A 1009 921 3.94      
31 A 990 903 0.94      
32 A 972 887 3.78      
33 A 932 851 4.01      
34 A 917 837 14.78      
35 A 873 796 4.69      
36 A 716 654 1.54      
37 A 618 564 0.05      
38 A 479 437 5.99      
39 A 342 312 0.55      
40 A 256 234 3.88      
41 A 180 164 0.49      
42 A 130 118 0.08      

Unscaled Zero Point Vibrational Energy (zpe) 33774.5 cm-1
Scaled (by 0.9125) Zero Point Vibrational Energy (zpe) 30819.2 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 HF/CEP-121G
ABC
0.23039 0.09973 0.07378

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/CEP-121G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.756 0.088 0.003
H2 -0.334 2.188 -0.066
C3 0.027 1.175 -0.017
H4 -2.663 -0.446 0.852
H5 -2.613 -0.528 -0.898
H6 -2.693 1.037 -0.096
C7 -2.266 0.041 -0.037
H8 -0.034 -1.626 1.109
H9 -0.240 -1.949 -0.595
C10 0.077 -1.189 0.116
H11 1.807 -0.920 -1.176
H12 2.257 -1.206 0.491
C13 1.534 -0.707 -0.146
H14 1.908 1.108 1.055
H15 2.107 1.365 -0.661
C16 1.509 0.837 0.078

Atom - Atom Distances (Å)
  C1 H2 C3 H4 H5 H6 C7 H8 H9 C10 H11 H12 C13 H14 H15 C16
C12.14281.33962.15462.15442.15951.51102.16392.18521.52872.99633.31512.42863.04003.20412.3867
H22.14281.07653.63363.64182.62452.88754.00214.17173.40663.93424.30623.44622.72962.64382.2901
C31.33961.07653.25863.26302.72462.55753.01953.18822.36822.98363.30162.41442.16612.18551.5233
H42.15463.63363.25861.75181.76041.08902.89363.19802.93264.93174.99154.32204.83225.32164.4332
H52.15443.64183.26301.75181.76071.08883.44762.78312.94964.44705.10954.21875.18955.09114.4507
H62.15952.62452.72461.76041.76071.08543.95193.89723.55995.02525.46624.57314.74324.84404.2106
C71.51102.88752.55751.08901.08881.08543.01262.89462.65024.33714.72113.87414.44394.61063.8594
H82.16394.00213.01952.89363.44763.95193.01261.74681.09053.01792.40932.20853.35364.08183.0837
H92.18524.17173.18823.19802.78313.89722.89461.74681.08792.36342.82202.21134.08394.06103.3572
C101.52873.40662.36822.93262.94963.55992.65021.09051.08792.17632.21231.55723.08383.35382.4813
H112.99633.93422.98364.93174.44705.02524.33713.01792.36342.17631.74971.08653.01622.36132.1784
H123.31514.30623.30164.99155.10955.46624.72112.40932.82202.21231.74971.08522.40712.82152.2143
C132.42863.44622.41444.32204.21874.57313.87412.20852.21131.55721.08651.08522.20802.21051.5599
H143.04002.72962.16614.83225.18954.74324.44393.35364.08393.08383.01622.40712.20801.74661.0898
H153.20412.64382.18555.32165.09114.84404.61064.08184.06103.35382.36132.82152.21051.74661.0871
C162.38672.29011.52334.43324.45074.21063.85943.08373.35722.48132.17842.21431.55991.08981.0871

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 124.614 C1 C3 C16 112.799
C1 C7 H4 110.893 C1 C7 H5 110.889
C1 C7 H6 111.507 C1 C10 H8 110.295
C1 C10 H9 112.159 C1 C10 C13 103.810
H2 C3 C16 122.566 C3 C1 C7 127.482
C3 C1 C10 111.141 C3 C16 C13 103.081
C3 C16 H14 110.882 C3 C16 H15 112.625
H4 C7 H5 107.106 H4 C7 H6 108.117
H5 C7 H6 108.164 C7 C1 C10 121.358
H8 C10 H9 106.613 H8 C10 C13 111.840
H9 C10 C13 112.223 C10 C13 H11 109.535
C10 C13 H12 112.473 C10 C13 C16 105.506
H11 C13 H12 107.358 H11 C13 C16 109.507
H12 C13 C16 112.440 C13 C16 H14 111.645
C13 C16 H15 112.012 H14 C16 H15 106.702
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.319      
2 H 0.189      
3 C -0.263      
4 H 0.150      
5 H 0.153      
6 H 0.165      
7 C -0.590      
8 H 0.140      
9 H 0.139      
10 C -0.367      
11 H 0.142      
12 H 0.130      
13 C -0.272      
14 H 0.137      
15 H 0.135      
16 C -0.307      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.119 -0.263 0.072 0.297
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.856 0.186 0.081
y 0.186 -38.107 -0.061
z 0.081 -0.061 -39.743
Traceless
 xyz
x 1.069 0.186 0.081
y 0.186 0.693 -0.061
z 0.081 -0.061 -1.762
Polar
3z2-r2-3.524
x2-y20.251
xy0.186
xz0.081
yz-0.061


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.542 1.149 0.041
y 1.149 10.180 -0.083
z 0.041 -0.083 7.258


<r2> (average value of r2) Å2
<r2> 143.901
(<r2>)1/2 11.996