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All results from a given calculation for CH2CHCHCH2 (1,3-Butadiene)

using model chemistry: CCD/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 2 yes C2 1A

Conformer 1 (C2H)

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

Conformer 2 (C2)

Jump to S1C1
Energy calculated at CCD/aug-cc-pVDZ
 hartrees
Energy at 0K-155.531163
Energy at 298.15K-155.536491
HF Energy-154.933288
Nuclear repulsion energy103.865902
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/aug-cc-pVDZ
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 3261 3145 5.24      
2 A 3184 3071 9.62      
3 A 3163 3050 13.50      
4 A 1707 1646 1.58      
5 A 1472 1420 8.27      
6 A 1337 1290 0.00      
7 A 1068 1030 0.00      
8 A 997 961 4.53      
9 A 946 913 7.86      
10 A 892 860 0.59      
11 A 744 718 4.06      
12 A 271 262 0.00      
13 A 164 158 0.09      
14 B 3259 3144 19.77      
15 B 3171 3059 12.44      
16 B 3160 3048 1.73      
17 B 1702 1641 6.06      
18 B 1440 1389 0.80      
19 B 1309 1263 0.85      
20 B 1100 1061 2.00      
21 B 1017 981 33.68      
22 B 949 915 60.60      
23 B 620 598 9.38      
24 B 459 442 12.65      

Unscaled Zero Point Vibrational Energy (zpe) 18694.8 cm-1
Scaled (by 0.9645) Zero Point Vibrational Energy (zpe) 18031.1 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 CCD/aug-cc-pVDZ
ABC
0.70177 0.18423 0.15048

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.119 0.733 0.557
C2 -0.119 -0.733 0.557
C3 -0.119 1.548 -0.494
C4 0.119 -1.548 -0.494
H5 0.498 1.167 1.491
H6 -0.498 -1.167 1.491
H7 0.094 2.619 -0.440
H8 -0.544 1.165 -1.428
H9 -0.094 -2.619 -0.440
H10 0.544 -1.165 -1.428

Atom - Atom Distances (Å)
  C1 C2 C3 C4 H5 H6 H7 H8 H9 H10
C11.48571.35062.51151.09772.20552.13332.13673.50412.7793
C21.48572.51151.35062.20551.09773.50412.77932.13332.1367
C31.35062.51153.10462.11363.38451.09391.09524.16752.9449
C42.51151.35063.10463.38452.11364.16752.94491.09391.0952
H51.09772.20552.11363.38452.53732.44983.09974.29133.7366
H62.20551.09773.38452.11362.53734.29133.73662.44983.0997
H72.13333.50411.09394.16752.44984.29131.87055.24203.9372
H82.13672.77931.09522.94493.09973.73661.87053.93722.5724
H93.50412.13334.16751.09394.29132.44985.24203.93721.8705
H102.77932.13672.94491.09523.73663.09973.93722.57241.8705

picture of 1,3-Butadiene state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 124.550 C1 C2 H6 116.430
C1 C3 H7 121.183 C1 C3 H8 121.412
C2 C1 C3 124.550 C2 C1 H5 116.430
C2 C4 H9 121.183 C2 C4 H10 121.412
C3 C1 H5 119.011 C4 C2 H6 119.011
H7 C3 H8 117.400 H9 C4 H10 117.400
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability