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

using model chemistry: HF/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-233.030818
Energy at 298.15K-233.042330
Nuclear repulsion energy235.326391
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/cc-pVDZ
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 3364 3054 30.26      
2 A 3335 3028 10.44      
3 A 3238 2940 82.06      
4 A 3236 2939 40.95      
5 A 3211 2915 43.16      
6 A 3204 2909 44.06      
7 A 3169 2877 11.22      
8 A 3166 2875 60.23      
9 A 3151 2861 47.29      
10 A 3151 2861 33.28      
11 A 1837 1668 2.84      
12 A 1602 1454 2.63      
13 A 1595 1449 1.32      
14 A 1594 1447 4.02      
15 A 1590 1443 1.68      
16 A 1528 1387 2.98      
17 A 1497 1359 1.91      
18 A 1485 1348 0.69      
19 A 1454 1320 4.60      
20 A 1415 1285 0.37      
21 A 1400 1271 2.97      
22 A 1333 1211 0.45      
23 A 1264 1147 0.34      
24 A 1240 1126 2.24      
25 A 1210 1099 0.46      
26 A 1191 1082 3.51      
27 A 1145 1040 2.72      
28 A 1080 981 0.77      
29 A 1056 959 6.40      
30 A 1036 941 1.17      
31 A 1002 910 5.78      
32 A 983 892 3.90      
33 A 971 882 1.81      
34 A 878 797 1.34      
35 A 831 755 0.73      
36 A 772 701 36.69      
37 A 611 555 2.92      
38 A 456 414 0.81      
39 A 427 387 0.02      
40 A 335 304 0.06      
41 A 270 245 0.01      
42 A 122 110 0.04      

Unscaled Zero Point Vibrational Energy (zpe) 33716.6 cm-1
Scaled (by 0.908) Zero Point Vibrational Energy (zpe) 30614.7 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/cc-pVDZ
ABC
0.22722 0.10613 0.07851

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 2.438 1.282 -0.125
C2 1.553 0.662 -0.059
H3 2.438 -1.282 -0.125
C4 1.553 -0.662 -0.059
H5 -0.134 1.613 -0.998
H6 0.045 2.051 0.693
C7 0.152 1.223 -0.014
H8 0.044 -2.052 0.691
H9 -0.134 -1.612 -0.999
C10 0.152 -1.223 -0.014
H11 -0.770 -0.000 1.479
C12 -0.704 -0.000 0.386
H13 -2.675 0.882 0.148
H14 -2.675 -0.882 0.147
H15 -2.106 0.000 -1.274
C16 -2.119 0.000 -0.180

Atom - Atom Distances (Å)
  H1 C2 H3 C4 H5 H6 C7 H8 H9 C10 H11 C12 H13 H14 H15 C16
H11.08272.56422.13672.73602.64352.28934.18523.96863.39353.80883.43215.13655.55934.85954.7346
C21.08272.13671.32342.15252.18431.51013.19462.98262.34922.86352.39424.23964.50643.91233.7336
H32.56422.13671.08273.97024.18403.39352.64432.73632.28973.80863.43215.55975.13644.86004.7348
C42.13671.32341.08272.98403.19372.34932.18512.15201.51032.86352.39434.50674.23943.91253.7337
H52.73602.15253.97022.98401.75541.09694.03993.22513.01653.02372.20122.88253.74182.56322.6861
H62.64352.18434.18403.19371.75541.09314.10304.03823.35142.34282.20493.01054.03753.56353.1066
C72.28931.51013.39352.34931.09691.09313.35223.01502.44692.13881.54612.85293.52932.86112.5854
H84.18523.19462.64432.18514.03994.10303.35221.75551.09312.34352.20524.03723.00943.56313.1061
H93.96862.98262.73632.15203.22514.03823.01501.75551.09703.02322.20033.74112.88202.56252.6854
C103.39352.34922.28971.51033.01653.35142.44691.09311.09702.13841.54583.52922.85242.86122.5853
H113.80882.86353.80862.86353.02372.34282.13882.34353.02322.13841.09452.48642.48643.05972.1383
C123.43212.39423.43212.39432.20122.20491.54612.20522.20031.54581.09452.17292.17282.17291.5242
H135.13654.23965.55974.50672.88253.01052.85294.03723.74113.52922.48642.17291.76461.76681.0932
H145.55934.50645.13644.23943.74184.03753.52933.00942.88202.85242.48642.17281.76461.76681.0931
H154.85953.91234.86003.91252.56323.56352.86113.56312.56252.86123.05972.17291.76681.76681.0937
C164.73463.73364.73483.73372.68613.10662.58543.10612.68542.58532.13831.52421.09321.09311.0937

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 124.962 H1 C2 C7 123.147
C2 C4 H3 124.959 C2 C4 C10 111.829
C2 C7 H5 110.306 C2 C7 H6 113.106
C2 C7 C12 103.138 H3 C4 C10 123.167
C4 C2 C7 111.845 C4 C10 H8 113.164
C4 C10 H9 110.243 C4 C10 C12 103.144
H5 C7 H6 106.557 H5 C7 C12 111.656
H6 C7 C12 112.183 C7 C12 C10 104.632
C7 C12 H11 106.944 C7 C12 C16 114.723
H8 C10 H9 106.563 H8 C10 C12 112.228
H9 C10 C12 111.600 C10 C12 H11 106.931
C10 C12 C16 114.725 H11 C12 C16 108.367
C12 C16 H13 111.173 C12 C16 H14 111.165
C12 C16 H15 111.134 H13 C16 H14 107.633
H13 C16 H15 107.783 H14 C16 H15 107.785
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.012 0.132    
2 C -0.084 -0.274    
3 H 0.012 0.132    
4 C -0.084 -0.275    
5 H 0.032 -0.047    
6 H 0.032 -0.058    
7 C 0.056 0.252    
8 H 0.032 -0.058    
9 H 0.032 -0.047    
10 C 0.056 0.252    
11 H 0.021 -0.038    
12 C -0.228 0.140    
13 H 0.028 0.054    
14 H 0.028 0.054    
15 H 0.026 0.057    
16 C 0.028 -0.276    


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.138 0.000 0.020 0.139
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.775 -0.000 -0.381
y -0.000 -37.568 -0.002
z -0.381 -0.002 -39.732
Traceless
 xyz
x -0.125 -0.000 -0.381
y -0.000 1.686 -0.002
z -0.381 -0.002 -1.561
Polar
3z2-r2-3.122
x2-y2-1.207
xy-0.000
xz-0.381
yz-0.002


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.525 0.000 -0.052
y 0.000 10.336 -0.000
z -0.052 -0.000 6.892


<r2> (average value of r2) Å2
<r2> 164.241
(<r2>)1/2 12.816