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All results from a given calculation for C6H8 ((Z)-hexa-1,3,5-triene)

using model chemistry: HF/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at HF/3-21G*
 hartrees
Energy at 0K-230.515837
Energy at 298.15K-230.523455
Nuclear repulsion energy197.915666
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 HF/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 A1 3400 3069 40.27      
2 A1 3363 3036 8.13      
3 A1 3337 3012 15.25      
4 A1 3317 2994 1.12      
5 A1 1873 1690 0.01      
6 A1 1784 1610 0.00      
7 A1 1599 1443 0.37      
8 A1 1502 1356 1.69      
9 A1 1430 1291 0.60      
10 A1 1220 1101 1.11      
11 A1 939 847 0.03      
12 A1 440 397 0.00      
13 A1 189 170 0.02      
14 A2 1180 1065 0.00      
15 A2 1156 1044 0.00      
16 A2 1100 993 0.00      
17 A2 820 740 0.00      
18 A2 375 338 0.00      
19 A2 141 127 0.00      
20 B1 1166 1052 5.27      
21 B1 1111 1003 188.03      
22 B1 948 856 8.00      
23 B1 666 601 47.53      
24 B1 99 90 0.14      
25 B2 3398 3067 1.64      
26 B2 3344 3018 0.84      
27 B2 3318 2995 12.25      
28 B2 3311 2988 2.38      
29 B2 1840 1660 11.50      
30 B2 1641 1481 11.62      
31 B2 1548 1397 1.61      
32 B2 1460 1318 1.96      
33 B2 1313 1185 2.68      
34 B2 1045 944 6.11      
35 B2 756 682 0.76      
36 B2 395 356 12.79      

Unscaled Zero Point Vibrational Energy (zpe) 28259.9 cm-1
Scaled (by 0.9026) Zero Point Vibrational Energy (zpe) 25507.4 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 HF/3-21G*
ABC
0.49813 0.05317 0.04804

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.664 0.764
C2 0.000 -0.664 0.764
C3 0.000 1.544 -0.406
C4 0.000 -1.544 -0.406
C5 0.000 2.863 -0.320
C6 0.000 -2.863 -0.320
H7 0.000 1.170 1.713
H8 0.000 -1.170 1.713
H9 0.000 1.084 -1.376
H10 0.000 -1.084 -1.376
H11 0.000 3.369 0.628
H12 0.000 -3.369 0.628
H13 0.000 3.486 -1.193
H14 0.000 -3.486 -1.193

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
C11.32891.46442.49952.45163.69051.07532.06562.18122.76382.70794.03563.43414.5889
C21.32892.49951.46443.69052.45162.06561.07532.76382.18124.03562.70794.58893.4341
C31.46442.49953.08771.32214.40782.15253.44391.07312.80102.09785.02052.09545.0910
C42.49951.46443.08774.40781.32213.44392.15252.80101.07315.02052.09785.09102.0954
C52.45163.69051.32214.40785.72622.64584.51692.06894.08591.07446.30371.07246.4089
C63.69052.45164.40781.32215.72624.51692.64584.08592.06896.30371.07446.40891.0724
H71.07532.06562.15253.44392.64584.51692.34053.09063.82442.45204.66723.71625.4889
H82.06561.07533.44392.15254.51692.64582.34053.82443.09064.66722.45205.48893.7162
H92.18122.76381.07312.80102.06894.08593.09063.82442.16803.03914.88302.40904.5737
H102.76382.18122.80101.07314.08592.06893.82443.09062.16804.88303.03914.57372.4090
H112.70794.03562.09785.02051.07446.30372.45204.66723.03914.88306.73781.82467.0927
H124.03562.70795.02052.09786.30371.07444.66722.45204.88303.03916.73787.09271.8246
H133.43414.58892.09545.09101.07246.40893.71625.48892.40904.57371.82467.09276.9721
H144.58893.43415.09102.09546.40891.07245.48893.71624.57372.40907.09271.82466.9721

picture of (Z)-hexa-1,3,5-triene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 126.910 C1 C2 H8 118.059
C1 C3 C5 123.161 C1 C3 H9 117.714
C2 C1 C3 126.910 C2 C1 H7 118.059
C2 C4 C6 123.161 C2 C4 H10 117.714
C3 C1 H7 115.031 C3 C5 H11 121.834
C3 C5 H13 121.764 C4 C2 H8 115.031
C4 C6 H12 121.834 C4 C6 H14 121.764
C5 C3 H9 119.124 C6 C4 H10 119.124
H11 C5 H13 116.402 H12 C6 H14 116.402
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.230 -0.179    
2 C -0.230 -0.179    
3 C -0.259 0.045    
4 C -0.259 0.045    
5 C -0.406 -0.498    
6 C -0.406 -0.498    
7 H 0.231 0.134    
8 H 0.231 0.134    
9 H 0.234 0.108    
10 H 0.234 0.108    
11 H 0.212 0.208    
12 H 0.212 0.208    
13 H 0.218 0.183    
14 H 0.218 0.183    


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -0.045 0.045
CHELPG 0.000 0.000 -0.016 0.016
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -42.989 0.000 0.000
y 0.000 -33.111 0.000
z 0.000 0.000 -33.503
Traceless
 xyz
x -9.682 0.000 0.000
y 0.000 5.135 0.000
z 0.000 0.000 4.547
Polar
3z2-r29.094
x2-y2-9.878
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.288 0.000 0.000
y 0.000 20.298 0.000
z 0.000 0.000 7.279


<r2> (average value of r2) Å2
<r2> 230.696
(<r2>)1/2 15.189