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All results from a given calculation for C6H12 (cis-1,2-dimethylcyclobutane)

using model chemistry: wB97X-D/3-21G*

19 10 17 12 22

States and conformations

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

Conformer 1 (CS)

Jump to S1C2
Energy calculated at wB97X-D/3-21G*
 hartrees
Energy at 0K-234.501537
Energy at 298.15K 
HF Energy-234.501537
Nuclear repulsion energy251.173256
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/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' 3192 3025 45.05      
2 A' 3160 2995 44.50      
3 A' 3145 2981 20.53      
4 A' 3131 2968 4.45      
5 A' 3123 2960 31.10      
6 A' 3077 2916 29.88      
7 A' 1577 1495 19.05      
8 A' 1575 1493 3.17      
9 A' 1551 1470 6.24      
10 A' 1475 1398 19.57      
11 A' 1390 1317 0.88      
12 A' 1315 1246 1.66      
13 A' 1281 1214 3.68      
14 A' 1218 1154 4.43      
15 A' 1135 1075 1.01      
16 A' 1072 1016 2.57      
17 A' 1026 973 2.93      
18 A' 953 903 0.95      
19 A' 912 865 0.60      
20 A' 775 735 1.08      
21 A' 751 712 3.03      
22 A' 375 355 0.56      
23 A' 293 277 0.03      
24 A' 246 233 0.04      
25 A" 3171 3005 1.95      
26 A" 3149 2985 18.84      
27 A" 3140 2976 28.03      
28 A" 3116 2953 30.82      
29 A" 3113 2951 0.14      
30 A" 3072 2911 9.67      
31 A" 1559 1478 11.65      
32 A" 1556 1474 0.99      
33 A" 1529 1449 5.45      
34 A" 1461 1385 4.85      
35 A" 1392 1319 1.06      
36 A" 1317 1248 0.02      
37 A" 1310 1242 2.51      
38 A" 1278 1212 0.75      
39 A" 1204 1141 1.14      
40 A" 1147 1087 6.28      
41 A" 1049 995 3.91      
42 A" 928 880 0.56      
43 A" 869 824 0.03      
44 A" 709 672 1.33      
45 A" 475 450 2.02      
46 A" 356 337 0.18      
47 A" 232 220 0.01      
48 A" 90i 85i 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 37394.3 cm-1
Scaled (by 0.9478) Zero Point Vibrational Energy (zpe) 35442.3 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/3-21G*
ABC
0.13627 0.12829 0.07879

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.525 -0.037 0.793
C2 0.525 -0.037 -0.793
C3 -0.216 1.346 0.783
C4 -0.216 1.346 -0.783
C5 -0.216 -1.167 1.498
C6 -0.216 -1.167 -1.498
H7 1.540 0.044 1.194
H8 1.540 0.044 -1.194
H9 -1.211 1.307 1.236
H10 -1.211 1.307 -1.236
H11 0.347 2.166 1.234
H12 0.347 2.166 -1.234
H13 -1.263 -1.218 1.180
H14 -1.263 -1.218 -1.180
H15 0.242 -2.142 1.298
H16 -0.209 -1.011 2.583
H17 0.242 -2.142 -1.298
H18 -0.209 -1.011 -2.583

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16 H17 H18
C11.58561.56952.22411.52412.65951.09482.23302.23952.98902.25372.99882.17742.91282.18302.16632.98023.5893
C21.58562.22411.56952.65951.52412.23301.09482.98902.23952.99882.25372.91282.17742.98023.58932.18302.1663
C31.56952.22411.56622.61243.39372.22532.94851.09302.25071.09222.24922.79743.39463.55552.96604.08754.1094
C42.22411.56951.56623.39372.61242.94852.22532.25071.09302.24921.09223.39462.79744.08754.10943.55552.9660
C51.52412.65952.61243.39372.99582.15483.43502.67873.81833.39014.34591.09492.87601.09611.09592.99654.0836
C62.65951.52413.39372.61242.99583.43502.15483.81832.67874.34593.39012.87601.09492.99654.08361.09611.0959
H71.09482.23302.22532.94852.15483.43502.38873.02753.88192.43503.43883.07413.88452.54402.47033.56004.2944
H82.23301.09482.94852.22533.43502.15482.38873.88193.02753.43882.43503.88453.07413.56004.29442.54402.4703
H92.23952.98901.09302.25072.67873.81833.02753.88192.47151.77893.04372.52563.49483.74292.86214.51944.5780
H102.98902.23952.25071.09303.81832.67873.88193.02752.47153.04371.77893.49482.52564.51944.57803.74292.8621
H112.25372.99881.09222.24923.39014.34592.43503.43881.77893.04372.46823.74744.45764.30953.49634.99794.9973
H122.99882.25372.24921.09224.34593.39013.43882.43503.04371.77892.46824.45763.74744.99794.99734.30953.4963
H132.17742.91282.79743.39461.09492.87603.07413.88452.52563.49483.74744.45762.36091.77041.76623.04363.9134
H142.91282.17743.39462.79742.87601.09493.88453.07413.49482.52564.45763.74742.36093.04363.91341.77041.7662
H152.18302.98023.55554.08751.09612.99652.54403.56003.74294.51944.30954.99791.77043.04361.76982.59624.0673
H162.16633.58932.96604.10941.09594.08362.47034.29442.86214.57803.49634.99731.76623.91341.76984.06735.1656
H172.98022.18304.08753.55552.99651.09613.56002.54404.51943.74294.99794.30953.04361.77042.59624.06731.7698
H183.58932.16634.10942.96604.08361.09594.29442.47034.57802.86214.99733.49633.91341.76624.06735.16561.7698

picture of cis-1,2-dimethylcyclobutane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 89.646 C1 C2 C6 117.557
C1 C2 H8 111.519 C1 C3 C4 90.354
C1 C3 H9 113.301 C1 C3 H11 114.522
C1 C5 H13 111.433 C1 C5 H15 111.801
C1 C5 H16 110.480 C2 C1 C3 89.646
C2 C1 C5 117.557 C2 C1 H7 111.519
C2 C4 C3 90.354 C2 C4 H10 113.301
C2 C4 H12 114.522 C2 C6 H14 111.433
C2 C6 H17 111.801 C2 C6 H18 110.480
C3 C1 C5 115.221 C3 C1 H7 112.053
C3 C4 H10 114.462 C3 C4 H12 114.387
C4 C2 C6 115.221 C4 C2 H8 112.053
C4 C3 H9 114.462 C4 C3 H11 114.387
C5 C1 H7 109.643 C6 C2 H8 109.643
H9 C3 H11 108.984 H10 C4 H12 108.984
H13 C5 H15 107.810 H13 C5 H16 107.447
H14 C6 H17 107.810 H14 C6 H18 107.447
H15 C5 H16 107.681 H17 C6 H18 107.681
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.241      
2 C -0.241      
3 C -0.405      
4 C -0.405      
5 C -0.592      
6 C -0.592      
7 H 0.208      
8 H 0.208      
9 H 0.208      
10 H 0.208      
11 H 0.210      
12 H 0.210      
13 H 0.201      
14 H 0.201      
15 H 0.204      
16 H 0.207      
17 H 0.204      
18 H 0.207      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.076 -0.051 0.000 0.091
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.964 0.280 0.000
y 0.280 -39.994 0.000
z 0.000 0.000 -39.803
Traceless
 xyz
x 0.934 0.280 0.000
y 0.280 -0.611 0.000
z 0.000 0.000 -0.324
Polar
3z2-r2-0.647
x2-y21.030
xy0.280
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.707 -0.023 0.000
y -0.023 8.727 0.000
z 0.000 0.000 8.882


<r2> (average value of r2) Å2
<r2> 174.856
(<r2>)1/2 13.223

Conformer 2 (C1)

Jump to S1C1
Energy calculated at wB97X-D/3-21G*
 hartrees
Energy at 0K-234.503247
Energy at 298.15K-234.516903
HF Energy-234.503247
Nuclear repulsion energy252.142294
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/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 3193 3027 41.67      
2 A 3176 3010 7.06      
3 A 3157 2992 51.33      
4 A 3151 2987 14.20      
5 A 3147 2983 34.51      
6 A 3134 2971 8.53      
7 A 3132 2969 21.09      
8 A 3122 2959 25.29      
9 A 3118 2955 19.99      
10 A 3112 2949 5.41      
11 A 3078 2918 20.21      
12 A 3066 2906 18.86      
13 A 1583 1500 10.72      
14 A 1579 1496 7.75      
15 A 1563 1482 8.07      
16 A 1562 1480 9.31      
17 A 1554 1473 3.36      
18 A 1536 1456 5.41      
19 A 1476 1399 18.55      
20 A 1465 1389 6.52      
21 A 1405 1332 1.30      
22 A 1394 1321 0.93      
23 A 1328 1259 1.98      
24 A 1307 1238 1.60      
25 A 1305 1237 3.40      
26 A 1290 1222 1.73      
27 A 1251 1186 0.89      
28 A 1215 1152 1.61      
29 A 1203 1140 5.27      
30 A 1147 1087 4.13      
31 A 1139 1080 2.34      
32 A 1075 1019 2.78      
33 A 1056 1001 3.05      
34 A 1013 960 3.85      
35 A 957 908 0.80      
36 A 925 877 0.47      
37 A 901 854 0.68      
38 A 896 849 0.66      
39 A 801 759 1.14      
40 A 767 727 0.83      
41 A 664 629 4.09      
42 A 497 471 1.55      
43 A 374 354 0.50      
44 A 357 338 0.42      
45 A 309 293 0.01      
46 A 273 259 0.03      
47 A 227 215 0.06      
48 A 135 128 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 37556.5 cm-1
Scaled (by 0.9478) Zero Point Vibrational Energy (zpe) 35596.1 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 wB97X-D/3-21G*
ABC
0.14550 0.12106 0.08080

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/3-21G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.715 0.320 0.550
C2 -0.757 -0.259 0.499
C3 1.240 -1.001 -0.114
C4 -0.235 -1.483 -0.328
C5 0.987 1.577 -0.267
C6 -1.848 0.581 -0.155
H7 1.073 0.461 1.575
H8 -1.082 -0.564 1.499
H9 1.812 -0.844 -1.033
H10 -0.553 -1.450 -1.374
H11 1.822 -1.636 0.557
H12 -0.476 -2.467 0.081
H13 0.682 1.449 -1.312
H14 -1.567 0.882 -1.170
H15 0.452 2.444 0.138
H16 2.058 1.809 -0.263
H17 -2.055 1.491 0.421
H18 -2.780 0.009 -0.226

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16 H17 H18
C11.58201.56822.21841.52442.67081.09502.21612.25032.90532.24723.06622.17812.91242.18022.16403.01043.5937
C21.58202.21611.56672.64511.52442.24111.09523.04732.22922.92412.26472.87492.17782.98263.57462.18002.1659
C31.56822.21611.56572.59513.46912.24042.86031.09392.23641.09242.26502.78353.54033.54262.93014.16514.1459
C42.21841.56671.56573.29562.62533.01832.21322.25671.09422.24411.09233.22592.84184.01364.01203.56602.9521
C51.52442.64512.59513.29563.00612.15583.46202.67083.57223.42114.31461.09592.79631.09561.09643.11984.0803
C62.67081.52443.46912.62533.00613.39652.15314.02402.69974.34633.35072.91361.09502.97384.09551.09621.0964
H71.09502.24112.24043.01832.15583.39652.38753.00923.87212.44913.63373.07653.83152.52662.48323.48944.2769
H82.21611.09522.86032.21323.46202.15312.38753.85533.05273.23562.44873.88163.07423.64114.31242.51652.4874
H92.25033.04731.09392.25672.67084.02403.00923.85532.46421.77643.01772.57183.79623.74612.77364.74534.7395
H102.90532.22922.23641.09423.57222.69973.87213.05272.46423.06631.77673.15172.55084.29634.32103.75852.8997
H112.24722.92411.09242.24413.42114.34632.44913.23561.77643.06632.48953.78314.56144.32453.54904.98284.9495
H123.06622.26472.26501.09234.31463.35073.63372.44873.01771.77672.48954.31453.73724.99804.98204.27423.3957
H132.17812.87492.78353.22591.09592.91363.07653.88162.57183.15173.78314.31452.32351.77301.76743.23983.9037
H142.91242.17783.54032.84182.79631.09503.83153.07423.79622.55084.56143.73722.32352.86823.85011.77221.7679
H152.18022.98263.54264.01361.09562.97382.52663.64113.74614.29634.32454.99801.77302.86821.77312.69744.0630
H162.16403.57462.93014.01201.09644.09552.48324.31242.77364.32103.54904.98201.76743.85011.77314.18215.1623
H173.01042.18004.16513.56603.11981.09623.48942.51654.74533.75854.98284.27423.23981.77222.69744.18211.7716
H183.59372.16594.14592.95214.08031.09644.27692.48744.73952.89974.94953.39573.90371.76794.06305.16231.7716

picture of cis-1,2-dimethylcyclobutane state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 89.584 C1 C2 C6 118.569
C1 C2 H8 110.422 C1 C3 C4 90.126
C1 C3 H9 114.231 C1 C3 H11 114.074
C1 C5 H13 111.406 C1 C5 H15 111.586
C1 C5 H16 110.252 C2 C1 C3 89.411
C2 C1 C5 116.739 C2 C1 H7 112.413
C2 C4 C3 90.058 C2 C4 H10 112.600
C2 C4 H12 115.642 C2 C6 H14 111.435
C2 C6 H17 111.534 C2 C6 H18 110.401
C3 C1 C5 114.090 C3 C1 H7 113.349
C3 C4 H10 113.256 C3 C4 H12 115.751
C4 C2 C6 116.265 C4 C2 H8 111.257
C4 C3 H9 114.947 C4 C3 H11 114.000
C5 C1 H7 109.690 C6 C2 H8 109.462
H9 C3 H11 108.687 H10 C4 H12 108.704
H13 C5 H15 108.001 H13 C5 H16 107.453
H14 C6 H17 107.954 H14 C6 H18 107.555
H15 C5 H16 107.980 H17 C6 H18 107.794
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.259      
2 C -0.220      
3 C -0.398      
4 C -0.403      
5 C -0.583      
6 C -0.608      
7 H 0.201      
8 H 0.213      
9 H 0.202      
10 H 0.209      
11 H 0.213      
12 H 0.204      
13 H 0.200      
14 H 0.203      
15 H 0.206      
16 H 0.207      
17 H 0.205      
18 H 0.208      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.060 0.035 0.071 0.099
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -39.974 0.179 -0.033
y 0.179 -39.737 -0.335
z -0.033 -0.335 -39.134
Traceless
 xyz
x -0.538 0.179 -0.033
y 0.179 -0.184 -0.335
z -0.033 -0.335 0.722
Polar
3z2-r21.443
x2-y2-0.236
xy0.179
xz-0.033
yz-0.335


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.951 0.026 -0.032
y 0.026 8.734 0.020
z -0.032 0.020 7.787


<r2> (average value of r2) Å2
<r2> 173.212
(<r2>)1/2 13.161