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 (hex-1-ene)

using model chemistry: mPW1PW91/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/3-21G*
 hartrees
Energy at 0K-234.512369
Energy at 298.15K-234.524817
HF Energy-234.512369
Nuclear repulsion energy227.791114
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 mPW1PW91/3-21G*
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 3257 3093 16.83      
2 A 3175 3015 3.95      
3 A 3164 3005 22.30      
4 A 3145 2986 56.40      
5 A 3143 2985 31.24      
6 A 3125 2967 15.59      
7 A 3103 2946 1.63      
8 A 3090 2934 5.22      
9 A 3069 2914 59.45      
10 A 3066 2912 13.36      
11 A 3059 2905 0.31      
12 A 3050 2897 10.52      
13 A 1735 1648 10.09      
14 A 1571 1492 9.01      
15 A 1568 1489 10.40      
16 A 1556 1477 6.84      
17 A 1545 1467 0.28      
18 A 1536 1458 3.18      
19 A 1508 1432 1.73      
20 A 1463 1389 7.87      
21 A 1405 1334 0.92      
22 A 1386 1316 0.77      
23 A 1377 1307 0.55      
24 A 1366 1297 0.12      
25 A 1354 1286 0.41      
26 A 1318 1252 0.50      
27 A 1289 1224 0.64      
28 A 1226 1164 0.55      
29 A 1152 1094 6.76      
30 A 1090 1035 9.60      
31 A 1069 1015 0.65      
32 A 1054 1001 10.20      
33 A 1027 975 0.69      
34 A 982 933 50.68      
35 A 965 917 13.69      
36 A 955 907 2.73      
37 A 916 870 2.63      
38 A 823 781 1.51      
39 A 753 715 6.73      
40 A 663 629 14.98      
41 A 470 446 1.04      
42 A 366 347 0.67      
43 A 365 346 0.07      
44 A 246 233 0.00      
45 A 179 170 0.01      
46 A 125 119 0.09      
47 A 88 83 0.01      
48 A 70 67 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 37001.1 cm-1
Scaled (by 0.9496) Zero Point Vibrational Energy (zpe) 35136.2 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 mPW1PW91/3-21G*
ABC
0.44066 0.04178 0.04097

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/3-21G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 3.063 -0.200 -0.440
C2 2.033 -0.193 0.401
C3 0.776 0.612 0.213
C4 -0.468 -0.295 0.096
C5 -1.768 0.510 -0.052
C6 -2.999 -0.404 -0.154
H7 3.065 0.409 -1.339
H8 3.942 -0.810 -0.264
H9 2.060 -0.817 1.294
H10 0.637 1.286 1.071
H11 0.862 1.233 -0.687
H12 -0.344 -0.958 -0.769
H13 -0.537 -0.932 0.988
H14 -1.876 1.181 0.810
H15 -1.701 1.141 -0.948
H16 -3.919 0.180 -0.261
H17 -2.913 -1.069 -1.021
H18 -3.090 -1.025 0.744

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16 H17 H18
C11.32992.51373.57274.89856.07211.08621.08472.09553.22162.63873.50603.94105.27894.97546.99446.06626.3199
C21.32991.50482.52133.89205.06652.11112.11421.08942.14152.14252.75752.73714.16374.18835.99985.21945.2011
C32.51371.50481.54382.55973.92612.77343.50422.20491.09961.09682.16452.16972.77722.78604.73804.23684.2315
C43.57272.52131.54381.53652.54563.87784.45492.84602.16122.17181.09711.09852.16152.16173.50162.79662.7978
C54.89853.89202.55971.53651.53635.00265.86514.26982.76542.80032.16752.16321.09781.09762.18572.17712.1766
C66.07215.06653.92612.54561.53636.23196.95415.27864.19224.22712.78102.76542.16822.16831.09491.09561.0956
H71.08622.11112.77343.87785.00266.23191.84743.07323.53192.44143.71714.49295.44344.83797.07026.16576.6543
H81.08472.11423.50424.45495.86516.95411.84742.44304.13583.72124.31874.65226.24316.01057.92336.90147.1075
H92.09551.08942.20492.84604.26985.27863.07322.44302.54953.09263.17122.61744.44124.79676.25805.49085.1839
H103.22162.14151.09962.16122.76544.19223.53194.13582.54951.77273.06352.51072.52873.09224.87334.74514.3973
H112.63872.14251.09682.17182.80034.22712.44143.72123.09261.77272.50303.07403.12072.57774.91344.43354.7710
H123.50602.75752.16451.09712.16752.78103.71714.31873.17123.06352.50301.76793.06892.50633.78592.58313.1358
H133.94102.73712.16971.09852.16322.76544.49294.65222.61742.51073.07401.76792.50843.06643.77333.11432.5669
H145.27894.16372.77722.16151.09782.16825.44346.24314.44122.52873.12073.06892.50841.76692.51393.07992.5188
H154.97544.18832.78602.16171.09762.16834.83796.01054.79673.09222.57772.50633.06641.76692.51252.52123.0795
H166.99445.99984.73803.50162.18571.09497.07027.92336.25804.87334.91343.78593.77332.51392.51251.77471.7747
H176.06625.21944.23682.79662.17711.09566.16576.90145.49084.74514.43352.58313.11433.07992.52121.77471.7738
H186.31995.20114.23152.79782.17661.09566.65437.10755.18394.39734.77103.13582.56692.51883.07951.77471.7738

picture of hex-1-ene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 124.817 C1 C2 H9 119.699
C2 C1 H7 121.465 C2 C1 H8 121.900
C2 C3 C4 111.578 C2 C3 H10 109.641
C2 C3 H11 109.892 C3 C2 H9 115.477
C3 C4 C5 112.397 C3 C4 H12 108.917
C3 C4 H13 109.237 C4 C3 H10 108.513
C4 C3 H11 109.500 C4 C5 C6 111.873
C4 C5 H14 109.136 C4 C5 H15 109.165
C5 C4 H12 109.652 C5 C4 H13 109.235
C5 C6 H16 111.225 C5 C6 H17 110.502
C5 C6 H18 110.463 C6 C5 H14 109.676
C6 C5 H15 109.690 H7 C1 H8 116.635
H10 C3 H11 107.622 H12 C4 H13 107.268
H14 C5 H15 107.183 H16 C6 H17 108.227
H16 C6 H18 108.227 H17 C6 H18 108.094
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.430      
2 C -0.180      
3 C -0.485      
4 C -0.406      
5 C -0.439      
6 C -0.624      
7 H 0.204      
8 H 0.209      
9 H 0.211      
10 H 0.226      
11 H 0.219      
12 H 0.222      
13 H 0.211      
14 H 0.213      
15 H 0.214      
16 H 0.212      
17 H 0.212      
18 H 0.211      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.364 0.028 0.080 0.374
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -40.258 -1.002 -0.572
y -1.002 -40.321 -1.176
z -0.572 -1.176 -38.754
Traceless
 xyz
x -0.720 -1.002 -0.572
y -1.002 -0.815 -1.176
z -0.572 -1.176 1.536
Polar
3z2-r23.071
x2-y20.063
xy-1.002
xz-0.572
yz-1.176


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.572 -0.612 -1.154
y -0.612 7.204 -0.517
z -1.154 -0.517 8.045


<r2> (average value of r2) Å2
<r2> 283.817
(<r2>)1/2 16.847