return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for C6H12 ((Z)-hex-3-ene)

using model chemistry: mPW1PW91/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at mPW1PW91/3-21G*
 hartrees
Energy at 0K-234.514324
Energy at 298.15K-234.526742
HF Energy-234.514324
Nuclear repulsion energy231.127293
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 mPW1PW91/3-21G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A 3178 3018 51.10      
2 A 3157 2998 2.54      
3 A 3149 2990 45.68      
4 A 3130 2972 1.11      
5 A 3071 2916 0.79      
6 A 3067 2913 4.06      
7 A 1750 1662 0.33      
8 A 1572 1493 15.62      
9 A 1566 1487 5.09      
10 A 1555 1476 1.91      
11 A 1459 1385 0.05      
12 A 1381 1311 0.00      
13 A 1347 1279 0.34      
14 A 1318 1252 0.15      
15 A 1124 1068 1.98      
16 A 1112 1056 3.98      
17 A 1043 990 0.91      
18 A 1014 963 0.53      
19 A 861 818 3.09      
20 A 803 763 0.88      
21 A 535 508 0.76      
22 A 319 303 0.00      
23 A 211 200 0.01      
24 A 196 186 0.08      
25 A 53 50 0.00      
26 B 3159 2999 55.45      
27 B 3151 2992 6.63      
28 B 3144 2985 2.58      
29 B 3121 2963 3.10      
30 B 3071 2916 54.22      
31 B 3066 2911 34.09      
32 B 1571 1492 3.66      
33 B 1566 1487 12.86      
34 B 1539 1461 4.79      
35 B 1479 1404 11.28      
36 B 1452 1379 5.99      
37 B 1365 1296 2.16      
38 B 1333 1266 1.33      
39 B 1206 1145 0.49      
40 B 1129 1072 8.89      
41 B 1035 983 3.99      
42 B 934 886 8.53      
43 B 840 797 10.41      
44 B 773 734 43.61      
45 B 577 547 8.07      
46 B 375 356 1.85      
47 B 240 227 0.06      
48 B 43 41 0.13      

Unscaled Zero Point Vibrational Energy (zpe) 37067.6 cm-1
Scaled (by 0.9496) Zero Point Vibrational Energy (zpe) 35199.4 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 mPW1PW91/3-21G*
ABC
0.28112 0.05124 0.04890

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/3-21G*

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.009 0.667 0.858
C2 -0.009 -0.667 0.858
C3 -0.009 1.581 -0.338
C4 0.009 -1.581 -0.338
C5 -1.309 2.413 -0.375
C6 1.309 -2.413 -0.375
H7 0.008 1.182 1.818
H8 -0.008 -1.182 1.818
H9 0.089 1.012 -1.267
H10 -0.089 -1.012 -1.267
H11 0.849 2.265 -0.283
H12 -0.849 -2.265 -0.283
H13 -1.306 3.107 -1.221
H14 -2.176 1.751 -0.466
H15 -1.419 2.994 0.547
H16 1.306 -3.107 -1.221
H17 2.176 -1.751 -0.466
H18 1.419 -2.994 0.547

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16 H17 H18
C11.33441.50582.54702.51093.56321.08962.08382.15482.71082.13593.26163.46522.77522.74734.50033.50663.9352
C21.33442.54701.50583.56322.51092.08381.08962.71082.15483.26162.13594.50033.50663.93523.46522.77522.7473
C31.50582.54703.16291.54384.20622.19323.50551.09392.75641.09853.93792.18872.17722.18314.94923.98694.8738
C42.54701.50583.16294.20621.54383.50552.19322.75641.09393.93791.09854.94923.98694.87382.18872.17722.1831
C52.51093.56321.54384.20625.49012.83894.40752.17083.74402.16514.70171.09501.09401.09546.16675.43066.1254
C63.56322.51094.20621.54385.49014.40752.83893.74402.17084.70172.16516.16675.43066.12541.09501.09401.0954
H71.08962.08382.19323.50552.83894.40752.36453.09133.78772.50904.12753.83033.21112.63305.41514.30364.5873
H82.08381.08963.50552.19324.40752.83892.36453.78773.09134.12752.50905.41514.30364.58733.83033.21112.6330
H92.15482.71081.09392.75642.17083.74403.09133.78772.03281.76533.54882.51732.51343.08084.29623.55454.5946
H102.71082.15482.75641.09393.74402.17083.78773.09132.03283.54881.76534.29623.55454.59462.51732.51343.0808
H112.13593.26161.09853.93792.16514.70172.50904.12751.76533.54884.83862.49643.07352.52215.47344.23415.3547
H123.26162.13593.93791.09854.70172.16514.12752.50903.54881.76534.83865.47344.23415.35472.49643.07352.5221
H133.46524.50032.18874.94921.09506.16673.83035.41512.51734.29622.49645.47341.77951.77576.74156.02486.9119
H142.77523.50662.17723.98691.09405.43063.21114.30362.51343.55453.07354.23411.77951.77316.02485.58596.0382
H152.74733.93522.18314.87381.09546.12542.63304.58733.08084.59462.52215.35471.77571.77316.91196.03826.6256
H164.50033.46524.94922.18876.16671.09505.41513.83034.29622.51735.47342.49646.74156.02486.91191.77951.7757
H173.50662.77523.98692.17725.43061.09404.30363.21113.55452.51344.23413.07356.02485.58596.03821.77951.7731
H183.93522.74734.87382.18316.12541.09544.58732.63304.59463.08085.35472.52216.91196.03826.62561.77571.7731

picture of (Z)-hex-3-ene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 127.370 C1 C2 H8 118.208
C1 C3 C5 110.843 C1 C3 H9 110.974
C1 C3 H11 109.195 C2 C1 C3 127.370
C2 C1 H7 118.208 C2 C4 C6 110.843
C2 C4 H10 110.974 C2 C4 H12 109.195
C3 C1 H7 114.398 C3 C5 H13 110.942
C3 C5 H14 110.090 C3 C5 H15 110.475
C4 C2 H8 114.398 C4 C6 H16 110.942
C4 C6 H17 110.090 C4 C6 H18 110.475
C5 C3 H9 109.596 C5 C3 H11 108.880
C6 C4 H10 109.596 C6 C4 H12 108.880
H9 C3 H11 107.261 H10 C4 H12 107.261
H13 C5 H14 108.767 H13 C5 H15 108.326
H14 C5 H15 108.167 H16 C6 H17 108.767
H16 C6 H18 108.326 H17 C6 H18 108.167
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.176      
2 C -0.176      
3 C -0.511      
4 C -0.511      
5 C -0.615      
6 C -0.615      
7 H 0.206      
8 H 0.206      
9 H 0.225      
10 H 0.225      
11 H 0.228      
12 H 0.228      
13 H 0.211      
14 H 0.221      
15 H 0.211      
16 H 0.211      
17 H 0.221      
18 H 0.211      


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 -0.177 0.177
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.347 0.254 0.000
y 0.254 -37.805 0.000
z 0.000 0.000 -38.510
Traceless
 xyz
x -3.189 0.254 0.000
y 0.254 2.123 0.000
z 0.000 0.000 1.066
Polar
3z2-r22.133
x2-y2-3.541
xy0.254
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.969 -0.847 0.000
y -0.847 12.042 0.000
z 0.000 0.000 8.149


<r2> (average value of r2) Å2
<r2> 253.010
(<r2>)1/2 15.906