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

using model chemistry: B1B95/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B1B95/6-31G*
 hartrees
Energy at 0K-234.507175
Energy at 298.15K-234.518276
Nuclear repulsion energy235.849101
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 B1B95/6-31G*
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 3246 3081 31.51      
2 A 3221 3057 8.61      
3 A 3147 2988 25.59      
4 A 3144 2985 45.74      
5 A 3107 2949 33.56      
6 A 3102 2945 35.31      
7 A 3069 2913 35.91      
8 A 3066 2911 11.10      
9 A 3033 2879 41.39      
10 A 3033 2879 26.65      
11 A 1727 1640 2.78      
12 A 1530 1453 7.52      
13 A 1526 1448 2.37      
14 A 1521 1444 0.32      
15 A 1512 1435 0.97      
16 A 1435 1362 3.41      
17 A 1397 1326 0.28      
18 A 1397 1326 3.57      
19 A 1357 1288 2.56      
20 A 1322 1255 0.17      
21 A 1308 1242 3.19      
22 A 1253 1190 0.35      
23 A 1190 1130 0.01      
24 A 1164 1105 2.46      
25 A 1145 1087 0.30      
26 A 1126 1069 0.41      
27 A 1086 1031 1.94      
28 A 1008 956 9.59      
29 A 1004 953 0.37      
30 A 978 928 0.01      
31 A 943 895 3.30      
32 A 940 893 4.98      
33 A 915 869 0.00      
34 A 842 800 1.42      
35 A 779 739 0.43      
36 A 711 675 32.78      
37 A 568 540 3.23      
38 A 417 396 0.98      
39 A 398 378 0.10      
40 A 308 293 0.07      
41 A 250 237 0.01      
42 A 109 103 0.07      

Unscaled Zero Point Vibrational Energy (zpe) 32165.9 cm-1
Scaled (by 0.9493) Zero Point Vibrational Energy (zpe) 30535.1 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 B1B95/6-31G*
ABC
0.22820 0.10692 0.07900

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -2.433 1.291 0.108
C2 -1.548 0.666 0.050
H3 -2.433 -1.290 0.108
C4 -1.548 -0.666 0.050
H5 0.135 1.583 1.023
H6 -0.027 2.063 -0.659
C7 -0.152 1.218 0.025
H8 -0.027 -2.063 -0.659
H9 0.135 -1.583 1.023
C10 -0.152 -1.218 0.026
H11 0.746 -0.000 -1.481
C12 0.698 -0.000 -0.386
H13 2.669 0.883 -0.159
H14 2.669 -0.883 -0.159
H15 2.100 -0.000 1.262
C16 2.112 -0.000 0.167

Atom - Atom Distances (Å)
  H1 C2 H3 C4 H5 H6 C7 H8 H9 C10 H11 C12 H13 H14 H15 C16
H11.08462.58102.14782.74112.64062.28354.19803.96033.39143.78093.42195.12495.55174.85164.7245
C21.08462.14781.33142.14882.18391.50163.20372.97192.34482.83762.38274.22774.49713.90053.7216
H32.58102.14781.08463.96034.19803.39142.64052.74112.28353.78093.42195.55175.12494.85164.7245
C42.14781.33141.08462.97193.20372.34482.18392.14881.50162.83752.38274.49714.22773.90063.7216
H52.74112.14883.96032.97191.75621.09984.01833.16562.98683.02482.19272.88273.72812.53442.6732
H62.64062.18394.19803.20371.75621.09474.12654.01833.35422.35182.20372.98524.02443.53093.0843
C72.28351.50163.39142.34481.09981.09473.35412.98682.43602.13551.54112.84673.52192.84262.5744
H84.19803.20372.64052.18394.01834.12653.35411.75621.09472.35182.20374.02442.98523.53093.0843
H93.96032.97192.74112.14883.16564.01832.98681.75621.09983.02482.19273.72812.88282.53442.6733
C103.39142.34482.28351.50162.98683.35422.43601.09471.09982.13551.54113.52192.84672.84262.5744
H113.78092.83763.78092.83753.02482.35182.13552.35183.02482.13551.09602.49502.49503.05892.1408
C123.42192.38273.42192.38272.19272.20371.54112.20372.19271.54111.09602.17182.17182.16361.5185
H135.12494.22775.55174.49712.88272.98522.84674.02443.72813.52192.49502.17181.76541.76711.0937
H145.55174.49715.12494.22773.72814.02443.52192.98522.88282.84672.49502.17181.76541.76711.0937
H154.85163.90054.85163.90062.53443.53092.84263.53092.53442.84263.05892.16361.76711.76711.0946
C164.72453.72164.72453.72162.67323.08432.57443.08432.67332.57442.14081.51851.09371.09371.0946

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 125.172 H1 C2 C7 123.191
C2 C4 H3 125.172 C2 C4 C10 111.580
C2 C7 H5 110.433 C2 C7 H6 113.606
C2 C7 C12 103.080 H3 C4 C10 123.190
C4 C2 C7 111.580 C4 C10 H8 113.603
C4 C10 H9 110.436 C4 C10 C12 103.079
H5 C7 H6 106.320 H5 C7 C12 111.157
H6 C7 C12 112.350 C7 C12 C10 104.434
C7 C12 H11 106.936 C7 C12 C16 114.575
H8 C10 H9 106.320 H8 C10 C12 112.348
H9 C10 C12 111.159 C10 C12 H11 106.936
C10 C12 C16 114.575 H11 C12 C16 108.859
C12 C16 H13 111.447 C12 C16 H14 111.447
C12 C16 H15 110.739 H13 C16 H14 107.620
H13 C16 H15 107.704 H14 C16 H15 107.704
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.148      
2 C -0.134      
3 H 0.148      
4 C -0.134      
5 H 0.161      
6 H 0.160      
7 C -0.338      
8 H 0.160      
9 H 0.161      
10 C -0.338      
11 H 0.162      
12 C -0.143      
13 H 0.161      
14 H 0.161      
15 H 0.157      
16 C -0.493      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.150 0.000 -0.014 0.151
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.571 0.000 -0.347
y 0.000 -36.523 -0.000
z -0.347 -0.000 -38.583
Traceless
 xyz
x -0.018 0.000 -0.347
y 0.000 1.554 -0.000
z -0.347 -0.000 -1.536
Polar
3z2-r2-3.073
x2-y2-1.048
xy0.000
xz-0.347
yz-0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.486 0.000 -0.029
y 0.000 9.977 0.000
z -0.029 0.000 6.653


<r2> (average value of r2) Å2
<r2> 162.709
(<r2>)1/2 12.756