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All results from a given calculation for C6H12 ((1r,3r)-1,3-dimethylcyclobutane)

using model chemistry: CCD/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 2 yes CS 1A'

Conformer 1 (C2H)

Jump to S1C2
Vibrational Frequencies calculated at CCD/cc-pVDZ
Rotational Constants (cm-1) from geometry optimized at CCD/cc-pVDZ
See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/cc-pVDZ
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS)

Jump to S1C1
Energy calculated at CCD/cc-pVDZ
 hartrees
Energy at 0K-235.118088
Energy at 298.15K-235.131558
HF Energy-234.184858
Nuclear repulsion energy248.320951
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 CCD/cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3144 3008 98.65      
2 A' 3139 3003 21.25      
3 A' 3134 2998 19.59      
4 A' 3096 2962 21.62      
5 A' 3082 2949 14.06      
6 A' 3075 2942 7.51      
7 A' 3055 2923 28.28      
8 A' 3052 2920 26.38      
9 A' 1505 1440 5.22      
10 A' 1495 1431 1.31      
11 A' 1494 1429 5.23      
12 A' 1427 1365 2.17      
13 A' 1425 1363 4.07      
14 A' 1390 1330 1.24      
15 A' 1378 1318 7.88      
16 A' 1292 1236 1.29      
17 A' 1258 1203 0.45      
18 A' 1210 1158 0.14      
19 A' 1160 1110 0.35      
20 A' 1063 1017 0.40      
21 A' 967 925 0.38      
22 A' 963 921 0.71      
23 A' 876 838 0.64      
24 A' 817 782 0.66      
25 A' 655 627 1.45      
26 A' 434 415 0.04      
27 A' 328 313 0.06      
28 A' 116 111 0.01      
29 A" 3141 3005 33.25      
30 A" 3138 3003 24.91      
31 A" 3134 2998 9.31      
32 A" 3072 2939 62.17      
33 A" 1498 1433 2.79      
34 A" 1496 1431 0.31      
35 A" 1473 1410 2.94      
36 A" 1309 1252 0.64      
37 A" 1282 1226 0.00      
38 A" 1245 1191 0.06      
39 A" 1149 1099 0.17      
40 A" 1137 1088 0.06      
41 A" 999 956 1.88      
42 A" 923 883 0.00      
43 A" 915 875 0.10      
44 A" 813 777 0.11      
45 A" 373 356 0.00      
46 A" 263 252 0.05      
47 A" 253 242 0.00      
48 A" 236 226 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 36937.9 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 35338.5 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 CCD/cc-pVDZ
ABC
0.25326 0.07678 0.07034

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.262 0.089 1.088
C2 0.262 0.089 -1.088
C3 -0.667 0.710 0.000
C4 0.861 -0.858 0.000
C5 -0.880 2.222 0.000
C6 0.262 -2.267 0.000
H7 1.004 0.821 1.456
H8 -0.223 -0.390 1.958
H9 1.004 0.821 -1.456
H10 -0.223 -0.390 -1.958
H11 -1.648 0.199 0.000
H12 1.964 -0.925 0.000
H13 0.090 2.754 0.000
H14 -0.844 -2.230 0.000
H15 -1.446 2.545 -0.895
H16 -1.446 2.545 0.895
H17 0.582 -2.832 -0.896
H18 0.582 -2.832 0.896

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16 H17 H18
C12.17541.55961.56162.65292.59471.10571.10552.74893.12102.20132.26052.88382.79013.58862.99753.54502.9446
C22.17541.55961.56162.65292.59472.74893.12101.10571.10552.20132.26052.88382.79012.99753.58862.94463.5450
C31.55961.55962.18971.52693.11852.21932.28932.21932.28931.10643.09842.17992.94532.18472.18473.86103.8610
C41.56161.56162.18973.53821.53092.22712.28652.22712.28652.72321.10523.69362.18894.20734.20732.18552.1855
C52.65292.65291.52693.53824.63182.76283.32992.76283.32992.16394.24261.10674.45201.10651.10655.33685.3368
C62.59472.59473.11851.53094.63183.49382.75523.49382.75523.11922.16725.02401.10705.18345.18341.10621.1062
H71.10572.74892.21932.22712.76283.49381.79602.91173.82463.08932.46842.58683.85323.80763.04754.36503.7200
H81.10553.12102.28932.28653.32992.75521.79603.82463.91592.49242.98413.71732.75774.27153.35243.84102.7820
H92.74891.10572.21932.22712.76283.49382.91173.82461.79603.08932.46842.58683.85323.04753.80763.72004.3650
H103.12101.10552.28932.28653.32992.75523.82463.91591.79602.49242.98413.71732.75773.35244.27152.78203.8410
H112.20132.20131.10642.72322.16393.11923.08932.49243.08932.49243.78383.09062.55852.51882.51883.86813.8681
H122.26052.26053.09841.10524.24262.16722.46842.98412.46842.98413.78384.12973.09684.94704.94702.51942.5194
H132.88382.88382.17993.69361.10675.02402.58683.71732.58683.71733.09064.12975.07101.78961.78965.67885.6788
H142.79012.79012.94532.18894.45201.10703.85322.75773.85322.75772.55853.09685.07104.89494.89491.78851.7885
H153.58862.99752.18474.20731.10655.18343.80764.27153.04753.35242.51884.94701.78964.89491.78945.74636.0187
H162.99753.58862.18474.20731.10655.18343.04753.35243.80764.27152.51884.94701.78964.89491.78946.01875.7463
H173.54502.94463.86102.18555.33681.10624.36503.84103.72002.78203.86812.51945.67881.78855.74636.01871.7911
H182.94463.54503.86102.18555.33681.10623.72002.78204.36503.84103.86812.51945.67881.78856.01875.74631.7911

picture of (1r,3r)-1,3-dimethylcyclobutane state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 C2 88.438 C1 C3 C5 118.524
C1 C3 H11 110.152 C1 C4 C2 88.296
C1 C4 C6 114.070 C1 C4 H12 114.835
C2 C3 C5 118.524 C2 C3 H11 110.152
C2 C4 C6 114.070 C2 C4 H12 114.835
C3 C1 C4 89.101 C3 C1 H7 111.615
C3 C1 H8 117.388 C3 C2 C4 89.101
C3 C2 H9 111.615 C3 C2 H10 117.388
C3 C5 H13 110.720 C3 C5 H15 111.117
C3 C5 H16 111.117 C4 C1 H7 112.093
C4 C1 H8 116.995 C4 C2 H9 112.093
C4 C2 H10 116.995 C4 C6 H14 111.135
C4 C6 H17 110.911 C4 C6 H18 110.911
C5 C3 H11 109.486 C6 C4 H12 109.534
H7 C1 H8 108.626 H9 C2 H10 108.626
H13 C5 H15 107.916 H13 C5 H16 107.916
H14 C6 H17 107.819 H14 C6 H18 107.819
H15 C5 H16 107.917 H17 C6 H18 108.108
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability