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All results from a given calculation for H2CCCCH2 (Butatriene)

using model chemistry: QCISD/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2H 1Ag
Energy calculated at QCISD/cc-pVDZ
 hartrees
Energy at 0K-154.257035
Energy at 298.15K-154.259026
HF Energy-153.700937
Nuclear repulsion energy87.762187
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 QCISD/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 Ag 3161 3033 0.00      
2 Ag 2182 2093 0.00      
3 Ag 1478 1418 0.00      
4 Ag 890 854 0.00      
5 Au 753 722 0.00      
6 B1u 3163 3034 5.22      
7 B1u 1678 1610 5.80      
8 B1u 1413 1356 0.01      
9 B2g 868 832 0.00      
10 B2g 533 512 0.00      
11 B2u 3257 3124 5.94      
12 B2u 1050 1007 0.88      
13 B2u 217 209 5.38      
14 B3g 3257 3125 0.00      
15 B3g 1022 981 0.00      
16 B3g 310 298 0.00      
17 B3u 870 835 81.73      
18 B3u 220 211 3.89      

Unscaled Zero Point Vibrational Energy (zpe) 13161.1 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 12626.8 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 QCISD/cc-pVDZ
ABC
4.73735 0.12957 0.12612

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

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.645
C2 0.000 0.000 -0.645
C3 0.000 0.000 1.979
C4 0.000 0.000 -1.979
H5 0.000 0.940 2.545
H6 0.000 -0.940 2.545
H7 0.000 0.940 -2.545
H8 0.000 -0.940 -2.545

Atom - Atom Distances (Å)
  C1 C2 C3 C4 H5 H6 H7 H8
C11.28971.33442.62412.11972.11973.32523.3252
C21.28972.62411.33443.32523.32522.11972.1197
C31.33442.62413.95851.09671.09674.62074.6207
C42.62411.33443.95854.62074.62071.09671.0967
H52.11973.32521.09674.62071.87905.08985.4256
H62.11973.32521.09674.62071.87905.42565.0898
H73.32522.11974.62071.09675.08985.42561.8790
H83.32522.11974.62071.09675.42565.08981.8790

picture of Butatriene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 180.000 C1 C3 H5 121.051
C1 C3 H6 121.051 C2 C1 C3 180.000
C2 C4 H7 121.051 C2 C4 H8 121.051
H5 C3 H6 117.898 H7 C4 H8 117.898
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability