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All results from a given calculation for H2CCCCH2 (Butatriene)

using model chemistry: QCISD/6-311G*

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/6-311G*
 hartrees
Energy at 0K-154.275036
Energy at 298.15K-154.277022
HF Energy-153.718337
Nuclear repulsion energy88.456858
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/6-311G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Ag 3138 3004 0.00      
2 Ag 2182 2089 0.00      
3 Ag 1486 1423 0.00      
4 Ag 886 848 0.00      
5 Au 764 731 0.00      
6 B1u 3140 3006 7.83      
7 B1u 1672 1601 8.18      
8 B1u 1422 1362 0.08      
9 B2g 864 827 0.00      
10 B2g 491 471 0.00      
11 B2u 3223 3085 9.03      
12 B2u 1055 1010 0.18      
13 B2u 222 213 7.26      
14 B3g 3223 3086 0.00      
15 B3g 1027 984 0.00      
16 B3g 333 319 0.00      
17 B3u 868 831 99.62      
18 B3u 221 212 5.78      

Unscaled Zero Point Vibrational Energy (zpe) 13108.8 cm-1
Scaled (by 0.9574) Zero Point Vibrational Energy (zpe) 12550.4 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 QCISD/6-311G*
ABC
4.83613 0.13160 0.12812

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/6-311G*

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.639
C2 0.000 0.000 -0.639
C3 0.000 0.000 1.963
C4 0.000 0.000 -1.963
H5 0.000 0.930 2.529
H6 0.000 -0.930 2.529
H7 0.000 0.930 -2.529
H8 0.000 -0.930 -2.529

Atom - Atom Distances (Å)
  C1 C2 C3 C4 H5 H6 H7 H8
C11.27721.32492.60212.10652.10653.30113.3011
C21.27722.60211.32493.30113.30112.10652.1065
C31.32492.60213.92701.08821.08824.58754.5875
C42.60211.32493.92704.58754.58751.08821.0882
H52.10653.30111.08824.58751.85985.05765.3887
H62.10653.30111.08824.58751.85985.38875.0576
H73.30112.10654.58751.08825.05765.38871.8598
H83.30112.10654.58751.08825.38875.05761.8598

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 121.298
C1 C3 H6 121.298 C2 C1 C3 180.000
C2 C4 H7 121.298 C2 C4 H8 121.298
H5 C3 H6 117.405 H7 C4 H8 117.405
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability