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-2-ene)

using model chemistry: wB97X-D/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 no C1 1A
1 2 yes C1 1A

Conformer 1 (C1)

Jump to S1C2
Energy calculated at wB97X-D/TZVP
 hartrees
Energy at 0K-235.853068
Energy at 298.15K 
HF Energy-235.853068
Nuclear repulsion energy229.616788
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 wB97X-D/TZVP
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' 3187 3043 38.17      
2 A' 3159 3017 7.77      
3 A' 3145 3004 11.00      
4 A' 3132 2991 38.88      
5 A' 3053 2916 27.54      
6 A' 3050 2913 50.97      
7 A' 3048 2911 17.91      
8 A' 3031 2895 11.32      
9 A' 1757 1678 5.22      
10 A' 1507 1439 6.32      
11 A' 1501 1433 5.95      
12 A' 1495 1428 1.74      
13 A' 1477 1411 1.70      
14 A' 1455 1390 7.05      
15 A' 1424 1360 6.40      
16 A' 1417 1353 1.87      
17 A' 1392 1330 0.55      
18 A' 1313 1254 5.83      
19 A' 1289 1231 1.67      
20 A' 1167 1115 0.17      
21 A' 1099 1049 1.79      
22 A' 1077 1028 1.62      
23 A' 1013 967 5.27      
24 A' 935 893 4.16      
25 A' 916 874 6.31      
26 A' 605 578 4.75      
27 A' 403 385 0.14      
28 A' 295 282 0.05      
29 A' 142 135 0.04      
30 A" 3120 2980 60.59      
31 A" 3108 2968 17.57      
32 A" 3089 2950 18.46      
33 A" 3059 2922 6.40      
34 A" 1510 1442 8.92      
35 A" 1491 1424 6.33      
36 A" 1336 1276 0.55      
37 A" 1268 1211 0.20      
38 A" 1120 1070 0.54      
39 A" 1070 1021 2.11      
40 A" 1001 956 0.22      
41 A" 887 847 4.31      
42 A" 747 713 0.78      
43 A" 657 627 42.66      
44 A" 413 394 0.11      
45 A" 236 226 0.00      
46 A" 106 101 0.31      
47 A" 64 61 0.21      
48 A" 89i 85i 0.04      

Unscaled Zero Point Vibrational Energy (zpe) 36338.7 cm-1
Scaled (by 0.955) Zero Point Vibrational Energy (zpe) 34703.4 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 wB97X-D/TZVP
ABC
0.34164 0.04706 0.04266

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.819 -2.074 0.000
C2 0.324 -2.084 0.000
C3 -0.460 -1.014 0.000
C4 0.000 0.418 0.000
C5 -1.158 1.413 0.000
C6 -0.688 2.860 0.000
H7 2.228 -1.064 0.000
H8 2.210 -2.596 0.878
H9 2.210 -2.596 -0.878
H10 -0.147 -3.063 0.000
H11 -1.535 -1.172 0.000
H12 0.636 0.607 -0.873
H13 0.636 0.607 0.873
H14 -1.788 1.230 0.876
H15 -1.788 1.230 -0.876
H16 -1.531 3.553 0.000
H17 -0.079 3.075 0.882
H18 -0.079 3.075 -0.882

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16 H17 H18
C11.49562.51373.08614.58505.53511.09051.09361.09362.20063.47403.05883.05884.96994.96996.54915.55915.5591
C21.49561.32592.52303.79745.04662.16062.14312.14311.08612.07082.84662.84664.02604.02605.93395.24965.2496
C32.51371.32591.50462.52533.88132.68853.22533.22532.07221.08702.14302.14302.75102.75104.69094.20094.2009
C43.08612.52301.50461.52602.53702.67603.83953.83953.48412.21041.09641.09642.15012.15013.48842.80082.8008
C54.58503.79742.52531.52601.52194.19475.30875.30874.58822.61202.15092.15091.09461.09462.17232.16902.1690
C65.53515.04663.88132.53701.52194.88886.24016.24015.94774.12032.75482.75482.15312.15311.09121.09301.0930
H71.09052.16062.68852.67604.19474.88881.76611.76613.10453.76522.46802.46804.70734.70735.95344.82024.8202
H81.09362.14313.22533.83955.30876.24011.76611.75652.55864.10243.97593.56945.53395.80537.25076.11596.3642
H91.09362.14313.22533.83955.30876.24011.76611.75652.55864.10243.56943.97595.80535.53397.25076.36426.1159
H102.20061.08612.07223.48414.58825.94773.10452.55862.55862.34603.85293.85294.67854.67856.75876.20156.2015
H113.47402.07081.08702.21042.61204.12033.76524.10244.10242.34602.93972.93972.56902.56904.72454.57564.5756
H123.05882.84662.14301.09642.15092.75482.46803.97593.56943.85292.93971.74623.05302.50243.75923.11182.5694
H133.05882.84662.14301.09642.15092.75482.46803.56943.97593.85292.93971.74622.50243.05303.75922.56943.1118
H144.96994.02602.75102.15011.09462.15314.70735.53395.80534.67852.56903.05302.50241.75172.49562.51483.0685
H154.96994.02602.75102.15011.09462.15314.70735.80535.53394.67852.56902.50243.05301.75172.49563.06852.5148
H166.54915.93394.69093.48842.17231.09125.95347.25077.25076.75874.72453.75923.75922.49562.49561.76461.7646
H175.55915.24964.20092.80082.16901.09304.82026.11596.36426.20154.57563.11182.56942.51483.06851.76461.7647
H185.55915.24964.20092.80082.16901.09304.82026.36426.11596.20154.57562.56943.11183.06852.51481.76461.7647

picture of (Z)-hex-2-ene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 125.866 C1 C2 H10 116.037
C2 C1 H7 112.384 C2 C1 H8 110.772
C2 C1 H9 110.772 C2 C3 C4 125.978
C2 C3 H11 117.894 C3 C2 H10 118.097
C3 C4 C5 112.871 C3 C4 H12 109.967
C3 C4 H13 109.967 C4 C3 H11 116.127
C4 C5 C6 112.688 C4 C5 H14 109.157
C4 C5 H15 109.157 C5 C4 H12 109.106
C5 C4 H13 109.106 C5 C6 H16 111.402
C5 C6 H17 111.028 C5 C6 H18 111.028
C6 C5 H14 109.671 C6 C5 H15 109.671
H7 C1 H8 107.922 H7 C1 H9 107.922
H8 C1 H9 106.848 H12 C4 H13 105.557
H14 C5 H16 93.749 H16 C6 H17 107.780
H16 C6 H18 107.780 H17 C6 H18 107.655
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.400      
2 C -0.074      
3 C -0.202      
4 C -0.221      
5 C -0.247      
6 C -0.361      
7 H 0.140      
8 H 0.128      
9 H 0.128      
10 H 0.129      
11 H 0.135      
12 H 0.130      
13 H 0.130      
14 H 0.118      
15 H 0.118      
16 H 0.127      
17 H 0.112      
18 H 0.112      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.238 0.144 0.000 0.278
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.996 -0.871 0.000
y -0.871 -39.289 0.000
z 0.000 0.000 -41.122
Traceless
 xyz
x 1.210 -0.871 0.000
y -0.871 0.770 0.000
z 0.000 0.000 -1.979
Polar
3z2-r2-3.959
x2-y20.293
xy-0.871
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.946 -1.795 0.000
y -1.795 12.974 0.000
z 0.000 0.000 8.514


<r2> (average value of r2) Å2
<r2> 272.117
(<r2>)1/2 16.496

Conformer 2 (C1)

Jump to S1C1
Energy calculated at wB97X-D/TZVP
 hartrees
Energy at 0K-235.854521
Energy at 298.15K-235.866958
HF Energy-235.854521
Nuclear repulsion energy230.797481
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 wB97X-D/TZVP
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 3176 3033 47.78      
2 A 3155 3013 10.99      
3 A 3146 3004 10.54      
4 A 3131 2990 37.33      
5 A 3122 2981 62.03      
6 A 3105 2966 18.01      
7 A 3102 2963 12.35      
8 A 3081 2943 5.63      
9 A 3052 2915 25.85      
10 A 3049 2912 56.91      
11 A 3049 2911 13.98      
12 A 3037 2900 15.40      
13 A 1765 1686 3.43      
14 A 1523 1454 10.36      
15 A 1513 1445 8.78      
16 A 1511 1443 5.25      
17 A 1507 1439 1.45      
18 A 1498 1431 1.22      
19 A 1493 1426 7.48      
20 A 1459 1393 10.62      
21 A 1432 1367 4.01      
22 A 1415 1351 3.42      
23 A 1394 1332 0.06      
24 A 1336 1276 0.03      
25 A 1321 1261 0.83      
26 A 1308 1249 1.31      
27 A 1269 1212 0.21      
28 A 1182 1129 0.48      
29 A 1130 1079 1.04      
30 A 1077 1028 1.71      
31 A 1076 1028 2.56      
32 A 1069 1021 1.68      
33 A 1033 987 1.12      
34 A 1013 967 7.28      
35 A 929 887 3.75      
36 A 917 876 7.09      
37 A 889 849 4.57      
38 A 768 734 2.16      
39 A 736 703 37.41      
40 A 582 555 6.83      
41 A 483 462 0.94      
42 A 374 357 0.00      
43 A 295 282 0.05      
44 A 266 254 0.00      
45 A 208 199 0.06      
46 A 147 141 0.42      
47 A 105 100 0.04      
48 A 56 53 0.09      

Unscaled Zero Point Vibrational Energy (zpe) 36640.1 cm-1
Scaled (by 0.955) Zero Point Vibrational Energy (zpe) 34991.3 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 wB97X-D/TZVP
ABC
0.28090 0.05028 0.04629

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/TZVP

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 2.465 0.947 -0.074
C2 1.986 -0.471 -0.140
C3 0.772 -0.931 0.134
C4 -0.435 -0.151 0.561
C5 -1.575 -0.239 -0.459
C6 -2.828 0.501 -0.007
H7 1.683 1.646 0.220
H8 3.286 1.041 0.642
H9 2.853 1.265 -1.045
H10 2.733 -1.196 -0.453
H11 0.608 -2.000 0.017
H12 -0.188 0.899 0.733
H13 -0.792 -0.544 1.519
H14 -1.226 0.167 -1.412
H15 -1.813 -1.291 -0.643
H16 -3.623 0.433 -0.753
H17 -3.212 0.087 0.929
H18 -2.619 1.561 0.161

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16 H17 H18
C11.49732.53723.16474.22765.31241.08931.09331.09332.19193.48432.77313.92044.00234.86106.14665.82825.1266
C21.49731.32792.54073.58304.91392.16832.14102.14091.08662.06512.71383.23723.51343.91925.71425.33625.0429
C32.53721.32791.49862.51733.87732.73503.23553.24782.06441.08762.15132.12462.75462.72254.68564.18764.2084
C43.16472.54071.49861.53212.54532.79823.90773.92353.48612.19121.09211.09622.14942.15573.49692.81152.8042
C54.22763.58302.51731.53211.52453.82475.14554.71304.41292.84482.15392.14951.09361.09432.17492.17072.1712
C65.31244.91393.87732.54531.52454.66006.17245.82585.83184.25052.77112.75152.15762.15611.09141.09291.0927
H71.08932.16832.73502.79823.82474.66001.76441.76493.10303.80672.07883.55133.64864.64675.52895.18574.3038
H81.09332.14103.23553.90775.14556.17241.76441.75592.55024.09983.47784.46245.03355.75197.07406.57365.9477
H91.09332.14093.24783.92354.71305.82581.76491.75592.53394.10273.54164.81024.23985.33556.53546.48585.6115
H102.19191.08662.06443.48614.41295.83183.10302.55022.53392.32063.78464.09154.29544.55096.56786.23676.0517
H113.48432.06511.08762.19122.84484.25053.80674.09984.10272.32063.09012.51703.17872.60734.94044.44724.8079
H122.77312.71382.15131.09212.15392.77112.07883.47783.54163.78463.09011.75102.49303.05433.77133.13712.5844
H133.92043.23722.12461.09622.14952.75153.55134.46244.81024.09152.51701.75103.04802.50483.75882.56963.1011
H144.00233.51342.75462.14941.09362.15763.64865.03354.23984.29543.17872.49303.04801.75072.50013.07122.5216
H154.86103.91922.72252.15571.09432.15614.64675.75195.33554.55092.60733.05432.50481.75072.50172.51533.0708
H166.14665.71424.68563.49692.17491.09145.52897.07406.53546.56784.94043.77133.75882.50012.50171.76511.7644
H175.82825.33624.18762.81152.17071.09295.18576.57366.48586.23674.44723.13712.56963.07122.51531.76511.7641
H185.12665.04294.20842.80422.17121.09274.30385.94775.61156.05174.80792.58443.10112.52163.07081.76441.7641

picture of (Z)-hex-2-ene state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 127.706 C1 C2 H10 115.123
C2 C1 H7 112.969 C2 C1 H8 110.496
C2 C1 H9 110.494 C2 C3 C4 127.918
C2 C3 H11 117.163 C3 C2 H10 117.171
C3 C4 C5 112.315 C3 C4 H12 111.310
C3 C4 H13 108.943 C4 C3 H11 114.902
C4 C5 C6 112.758 C4 C5 H14 108.743
C4 C5 H15 109.183 C5 C4 H12 109.170
C5 C4 H13 108.598 C5 C6 H16 111.418
C5 C6 H17 110.993 C5 C6 H18 111.039
C6 C5 H14 109.910 C6 C5 H15 109.746
H7 C1 H8 107.878 H7 C1 H9 107.921
H8 C1 H9 106.844 H12 C4 H13 106.291
H14 C5 H16 93.907 H16 C6 H17 107.818
H16 C6 H18 107.770 H17 C6 H18 107.636
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.375      
2 C -0.128      
3 C -0.138      
4 C -0.249      
5 C -0.203      
6 C -0.359      
7 H 0.122      
8 H 0.128      
9 H 0.127      
10 H 0.127      
11 H 0.127      
12 H 0.115      
13 H 0.124      
14 H 0.115      
15 H 0.115      
16 H 0.127      
17 H 0.111      
18 H 0.112      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.057 0.224 -0.039 0.234
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.967 0.919 -0.611
y 0.919 -39.244 0.051
z -0.611 0.051 -41.300
Traceless
 xyz
x 1.305 0.919 -0.611
y 0.919 0.889 0.051
z -0.611 0.051 -2.194
Polar
3z2-r2-4.389
x2-y20.277
xy0.919
xz-0.611
yz0.051


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 13.734 0.708 -0.539
y 0.708 9.924 -0.022
z -0.539 -0.022 8.804


<r2> (average value of r2) Å2
<r2> 259.408
(<r2>)1/2 16.106