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 C9H12 (n-propyl benzene)

using model chemistry: B1B95/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B1B95/3-21G
 hartrees
Energy at 0K-348.087218
Energy at 298.15K-348.099892
HF Energy-348.087218
Nuclear repulsion energy412.308942
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 B1B95/3-21G
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' 3251 3110 12.41      
2 A' 3227 3087 3.46      
3 A' 3211 3072 7.68      
4 A' 3150 3014 28.31      
5 A' 3087 2953 35.07      
6 A' 3072 2939 22.93      
7 A' 3071 2938 9.73      
8 A' 1657 1585 5.64      
9 A' 1569 1501 9.04      
10 A' 1556 1489 16.34      
11 A' 1552 1485 3.71      
12 A' 1539 1472 2.25      
13 A' 1458 1394 6.17      
14 A' 1392 1332 1.52      
15 A' 1342 1284 1.05      
16 A' 1251 1197 0.03      
17 A' 1243 1189 0.15      
18 A' 1135 1085 16.59      
19 A' 1070 1023 3.16      
20 A' 1049 1003 0.28      
21 A' 1046 1000 0.01      
22 A' 1043 997 0.08      
23 A' 957 916 0.40      
24 A' 909 870 1.79      
25 A' 840 803 1.45      
26 A' 787 753 27.07      
27 A' 738 706 58.33      
28 A' 613 587 5.95      
29 A' 517 495 10.61      
30 A' 314 300 0.03      
31 A' 281 269 0.68      
32 A' 99 94 0.47      
33 A" 3236 3096 23.42      
34 A" 3211 3072 3.63      
35 A" 3153 3017 47.04      
36 A" 3130 2994 1.10      
37 A" 3109 2975 1.32      
38 A" 1642 1571 1.62      
39 A" 1563 1496 9.99      
40 A" 1517 1452 9.74      
41 A" 1408 1347 0.81      
42 A" 1361 1302 0.15      
43 A" 1347 1289 0.08      
44 A" 1278 1223 0.22      
45 A" 1232 1179 0.11      
46 A" 1154 1104 5.35      
47 A" 1094 1046 1.07      
48 A" 1015 972 0.01      
49 A" 903 864 1.65      
50 A" 880 842 0.04      
51 A" 760 727 2.80      
52 A" 654 626 0.06      
53 A" 421 403 0.00      
54 A" 344 329 0.07      
55 A" 240 229 0.01      
56 A" 93 89 0.00      
57 A" 17 16 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 41391.8 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 39599.6 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 B1B95/3-21G
ABC
0.14441 0.02889 0.02586

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.399 -0.730 1.201
C2 0.399 -2.121 1.203
C3 0.399 -2.822 0.000
C4 0.399 -2.121 -1.203
C5 0.399 -0.730 -1.201
C6 0.402 -0.019 0.000
C7 0.354 1.490 0.000
C8 -1.097 2.001 0.000
C9 -1.156 3.532 0.000
H10 0.402 -0.188 2.140
H11 0.401 -2.658 2.143
H12 0.401 -3.904 0.000
H13 0.401 -2.658 -2.143
H14 0.402 -0.188 -2.140
H15 0.873 1.877 0.884
H16 0.873 1.877 -0.884
H17 -1.613 1.603 -0.880
H18 -1.613 1.603 0.880
H19 -2.191 3.883 0.000
H20 -0.657 3.938 0.886
H21 -0.657 3.938 -0.886

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 C7 C8 C9 H10 H11 H12 H13 H14 H15 H16 H17 H18 H19 H20 H21
C11.39152.41222.77762.40191.39582.52383.33684.69241.08402.14583.39363.86013.38452.66883.37173.71763.09705.42454.79615.2208
C21.39151.39212.40612.77762.42253.80624.54695.98492.14821.08252.15063.38903.86164.03924.53534.71784.24516.64856.15876.4955
C32.41221.39211.39212.41222.80334.31155.04906.54083.39352.14951.08212.14953.39354.80504.80504.93974.93977.18736.89886.8988
C42.77762.40611.39211.39152.42253.80624.54695.98493.86163.38902.15061.08252.14824.53534.03924.24514.71786.64856.49556.1587
C52.40192.77762.41221.39151.39582.52383.33684.69243.38453.86013.39362.14581.08403.37172.66883.09703.71765.42455.22084.7961
C61.39582.42252.80332.42251.39581.50882.51493.87712.14663.39983.88533.39982.14662.14412.14412.73242.73244.68484.19064.1906
C72.52383.80624.31153.80622.52381.50881.53782.53952.71954.66855.39364.66852.71951.09611.09612.15762.15763.49352.79302.7930
C83.33684.54695.04904.54693.33682.51491.53781.53203.40805.34216.09155.34213.40802.16272.16271.09531.09532.17722.17482.1748
C94.69245.98496.54085.98494.69243.87712.53951.53204.56526.73247.59676.73244.56522.76332.76332.16872.16871.09331.09441.0944
H101.08402.14823.39353.86163.38452.14662.71953.40804.56522.46964.28794.94414.27982.46293.69204.04832.97535.27954.44065.2248
H112.14581.08252.14953.38903.86013.39984.66855.34216.73242.46962.47924.28654.94414.73025.47285.59944.87917.35476.79747.3346
H123.39362.15061.08212.15063.39363.88535.39366.09157.59674.28792.47922.47924.28795.86735.86735.92935.92938.20677.96237.9623
H133.86013.38902.14951.08252.14583.39984.66855.34216.73244.94414.28652.47922.46965.47284.73024.87915.59947.35477.33466.7974
H143.38453.86163.39352.14821.08402.14662.71953.40804.56524.27984.94414.28792.46963.69202.46292.97534.04835.27955.22484.4406
H152.66884.03924.80504.53533.37172.14411.09612.16272.76332.46294.73025.86735.47283.69201.76773.06082.50123.76762.56693.1177
H163.37174.53534.80504.03922.66882.14411.09612.16272.76333.69205.47285.86734.73022.46291.76772.50123.06083.76763.11772.5669
H173.71764.71784.93974.24513.09702.73242.15761.09532.16874.04835.59945.92934.87912.97533.06082.50121.76082.51123.07942.5228
H183.09704.24514.93974.71783.71762.73242.15761.09532.16872.97534.87915.92935.59944.04832.50123.06081.76082.51122.52283.0794
H195.42456.64857.18736.64855.42454.68483.49352.17721.09335.27957.35478.20677.35475.27953.76763.76762.51122.51121.77211.7721
H204.79616.15876.89886.49555.22084.19062.79302.17481.09444.44066.79747.96237.33465.22482.56693.11773.07942.52281.77211.7710
H215.22086.49556.89886.15874.79614.19062.79302.17481.09445.22487.33467.96236.79744.44063.11772.56692.52283.07941.77211.7710

picture of n-propyl benzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 120.127 C1 C2 H11 119.791
C1 C6 C5 118.727 C1 C6 C7 120.613
C2 C1 C6 120.721 C2 C1 H10 119.898
C2 C3 C4 119.575 C2 C3 H12 120.212
C3 C2 H11 120.082 C3 C4 C5 120.127
C3 C4 H13 120.082 C4 C3 H12 120.212
C4 C5 C6 120.721 C4 C5 H14 119.898
C5 C4 H13 119.791 C5 C6 C7 120.613
C6 C1 H10 119.380 C6 C5 H14 119.380
C6 C7 C8 111.267 C6 C7 H15 109.770
C6 C7 H16 109.770 C7 C8 C9 111.633
C7 C8 H17 108.891 C7 C8 H18 108.891
C8 C7 H15 109.236 C8 C7 H16 109.236
C8 C9 H19 110.945 C8 C9 H20 110.693
C8 C9 H21 110.693 C9 C8 H17 110.154
C9 C8 H18 110.154 H15 C7 H16 107.479
H17 C8 H18 106.991 H19 C9 H20 108.193
H19 C9 H21 108.193 H20 C9 H21 108.016
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.206      
2 C -0.212      
3 C -0.217      
4 C -0.212      
5 C -0.206      
6 C -0.001      
7 C -0.456      
8 C -0.411      
9 C -0.607      
10 H 0.205      
11 H 0.211      
12 H 0.211      
13 H 0.211      
14 H 0.205      
15 H 0.216      
16 H 0.216      
17 H 0.217      
18 H 0.217      
19 H 0.209      
20 H 0.205      
21 H 0.205      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.170 0.342 0.000 0.382
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -59.474 -0.142 0.000
y -0.142 -50.967 0.000
z 0.000 0.000 -50.436
Traceless
 xyz
x -8.772 -0.142 0.000
y -0.142 3.988 0.000
z 0.000 0.000 4.784
Polar
3z2-r29.569
x2-y2-8.507
xy-0.142
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.747 -0.984 0.000
y -0.984 16.864 0.000
z 0.000 0.000 13.247


<r2> (average value of r2) Å2
<r2> 433.235
(<r2>)1/2 20.814