return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for C6H12 ((Z)-hex-3-ene)

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 C2 1A
Energy calculated at HF/CEP-121G*
 hartrees
Energy at 0K-39.908321
Energy at 298.15K-39.920962
HF Energy-39.908321
Nuclear repulsion energy129.676960
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 3306 2986 84.57      
2 A 3269 2954 72.32      
3 A 3248 2934 23.64      
4 A 3236 2923 58.33      
5 A 3183 2876 5.94      
6 A 3174 2867 0.19      
7 A 1851 1672 1.42      
8 A 1641 1483 5.87      
9 A 1626 1469 2.93      
10 A 1622 1466 0.21      
11 A 1544 1395 0.10      
12 A 1472 1329 0.93      
13 A 1405 1270 0.00      
14 A 1375 1242 0.39      
15 A 1182 1068 0.30      
16 A 1154 1042 0.18      
17 A 1119 1011 0.18      
18 A 1068 965 1.02      
19 A 890 804 0.14      
20 A 829 749 0.61      
21 A 548 495 0.05      
22 A 320 289 0.00      
23 A 218 197 0.00      
24 A 212 192 0.02      
25 A 51 46 0.01      
26 B 3278 2962 36.87      
27 B 3254 2939 112.81      
28 B 3244 2931 33.75      
29 B 3229 2917 4.39      
30 B 3181 2874 72.35      
31 B 3173 2867 122.28      
32 B 1637 1479 2.45      
33 B 1627 1469 5.91      
34 B 1618 1462 1.79      
35 B 1561 1410 0.78      
36 B 1544 1395 2.37      
37 B 1446 1306 25.70      
38 B 1393 1259 0.25      
39 B 1272 1149 0.09      
40 B 1187 1072 11.84      
41 B 1095 989 1.78      
42 B 964 871 5.24      
43 B 867 783 9.11      
44 B 818 739 37.32      
45 B 594 537 4.48      
46 B 383 346 1.00      
47 B 250 226 0.05      
48 B 49 44 0.10      

Unscaled Zero Point Vibrational Energy (zpe) 38601.8 cm-1
Scaled (by 0.9034) Zero Point Vibrational Energy (zpe) 34872.8 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
0.29007 0.04951 0.04727

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.002 0.666 0.847
C2 -0.002 -0.666 0.847
C3 -0.002 1.612 -0.338
C4 0.002 -1.612 -0.338
C5 -1.264 2.495 -0.367
C6 1.264 -2.495 -0.367
H7 0.001 1.156 1.812
H8 -0.001 -1.156 1.812
H9 0.083 1.069 -1.273
H10 -0.083 -1.069 -1.273
H11 0.876 2.254 -0.271
H12 -0.876 -2.254 -0.271
H13 -1.224 3.200 -1.195
H14 -2.160 1.890 -0.480
H15 -1.363 3.068 0.553
H16 1.224 -3.200 -1.195
H17 2.160 -1.890 -0.480
H18 1.363 -3.068 0.553

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16 H17 H18
C11.33121.51592.56692.53463.61321.08232.06122.15892.73992.12933.24703.47802.81642.77884.53933.59773.9846
C21.33122.56691.51593.61322.53462.06121.08232.73992.15893.24702.12934.53933.59773.98463.47802.81642.7788
C31.51592.56693.22351.54044.29782.19723.50411.08472.83991.08993.96362.17972.17992.18295.03924.11774.9554
C42.56691.51593.22354.29781.54043.50412.19722.83991.08473.96361.08995.03924.11774.95542.17972.17992.1829
C52.53463.61321.54044.29785.59402.85324.43532.16073.86212.15534.76591.08791.08711.08806.27005.56436.2205
C63.61322.53464.29781.54045.59404.43532.85323.86212.16074.76592.15536.27005.56436.22051.08791.08711.0880
H71.08232.06122.19723.50412.85324.43532.31143.08683.80372.51154.09023.83673.23372.66505.43234.38024.6130
H82.06121.08233.50412.19724.43532.85322.31143.80373.08684.09022.51155.43234.38024.61303.83673.23372.6650
H92.15892.73991.08472.83992.16073.86213.08683.80372.14351.74303.60022.50162.51633.06924.41943.70074.6991
H102.73992.15892.83991.08473.86212.16073.80373.08682.14353.60021.74304.41943.70074.69912.50162.51633.0692
H112.12933.24701.08993.96362.15534.76592.51154.09021.74303.60024.83602.48193.06432.52055.54274.34315.4071
H123.24702.12933.96361.08994.76592.15534.09022.51153.60021.74304.83605.54274.34315.40712.48193.06432.5205
H133.47804.53932.17975.03921.08796.27003.83675.43232.50164.41942.48195.54271.76161.75806.85276.15397.0026
H142.81643.59772.17994.11771.08715.56433.23374.38022.51633.70073.06434.34311.76161.75726.15395.73966.1689
H152.77883.98462.18294.95541.08806.22052.66504.61303.06924.69912.52055.40711.75801.75727.00266.16896.7142
H164.53933.47805.03922.17976.27001.08795.43233.83674.41942.50165.54272.48196.85276.15397.00261.76161.7580
H173.59772.81644.11772.17995.56431.08714.38023.23373.70072.51634.34313.06436.15395.73966.16891.76161.7572
H183.98462.77884.95542.18296.22051.08804.61302.66504.69913.06925.40712.52057.00266.16896.71421.75801.7572

picture of (Z)-hex-3-ene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 128.618 C1 C2 H8 116.924
C1 C3 C5 112.052 C1 C3 H9 111.147
C1 C3 H11 108.494 C2 C1 C3 128.618
C2 C1 H7 116.924 C2 C4 C6 112.052
C2 C4 H10 111.147 C2 C4 H12 108.494
C3 C1 H7 114.456 C3 C5 H13 110.885
C3 C5 H14 110.946 C3 C5 H15 111.131
C4 C2 H8 114.456 C4 C6 H16 110.885
C4 C6 H17 110.946 C4 C6 H18 111.131
C5 C3 H9 109.564 C5 C3 H11 108.846
C6 C4 H10 109.564 C6 C4 H12 108.846
H9 C3 H11 106.554 H10 C4 H12 106.554
H13 C5 H14 108.181 H13 C5 H15 107.786
H14 C5 H15 107.775 H16 C6 H17 108.181
H16 C6 H18 107.786 H17 C6 H18 107.775
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 -0.197      
2 C -0.197      
3 C -0.270      
4 C -0.270      
5 C -0.508      
6 C -0.508      
7 H 0.186      
8 H 0.186      
9 H 0.160      
10 H 0.160      
11 H 0.152      
12 H 0.152      
13 H 0.168      
14 H 0.157      
15 H 0.153      
16 H 0.168      
17 H 0.157      
18 H 0.153      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -0.278 0.278
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -42.424 0.668 0.000
y 0.668 -38.805 0.000
z 0.000 0.000 -39.322
Traceless
 xyz
x -3.360 0.668 0.000
y 0.668 2.067 0.000
z 0.000 0.000 1.293
Polar
3z2-r22.585
x2-y2-3.618
xy0.668
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.310 -0.826 0.000
y -0.826 13.156 0.000
z 0.000 0.000 8.945


<r2> (average value of r2) Å2
<r2> 212.766
(<r2>)1/2 14.587