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 CH3CH2CH2Br (n-propyl bromide)

using model chemistry: wB97X-D/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at wB97X-D/6-31G*
 hartrees
Energy at 0K-2690.235071
Energy at 298.15K-2690.245486
HF Energy-2690.235071
Nuclear repulsion energy 
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 wB97X-D/6-31G*
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' 3159 2996 27.26      
2 A' 3134 2972 16.28      
3 A' 3085 2926 12.40      
4 A' 3067 2909 24.75      
5 A' 1539 1460 6.26      
6 A' 1525 1447 1.25      
7 A' 1522 1444 2.43      
8 A' 1454 1379 2.52      
9 A' 1397 1325 6.82      
10 A' 1278 1212 41.89      
11 A' 1139 1080 2.31      
12 A' 1062 1008 1.34      
13 A' 927 879 8.71      
14 A' 679 644 24.04      
15 A' 318 302 1.82      
16 A' 220 209 1.46      
17 A" 3202 3037 11.02      
18 A" 3145 2983 39.00      
19 A" 3123 2962 0.01      
20 A" 1533 1454 9.41      
21 A" 1343 1274 0.01      
22 A" 1260 1195 0.25      
23 A" 1078 1022 2.15      
24 A" 871 826 0.01      
25 A" 755 717 4.37      
26 A" 225 214 0.01      
27 A" 107 101 0.86      

Unscaled Zero Point Vibrational Energy (zpe) 21072.9 cm-1
Scaled (by 0.9485) Zero Point Vibrational Energy (zpe) 19987.7 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 wB97X-D/6-31G*
ABC
0.84514 0.05447 0.05269

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.839 0.000
C2 1.509 0.659 0.000
C3 2.222 2.013 0.000
Br4 -0.929 -0.886 0.000
H5 -0.352 1.360 0.891
H6 -0.352 1.360 -0.891
H7 1.802 0.077 0.881
H8 1.802 0.077 -0.881
H9 3.308 1.874 0.000
H10 1.959 2.601 -0.886
H11 1.959 2.601 0.886

Atom - Atom Distances (Å)
  C1 C2 C3 Br4 H5 H6 H7 H8 H9 H10 H11
C11.51942.51351.95921.09091.09092.14522.14523.46612.78002.7800
C21.51941.53092.88592.17902.17901.09531.09532.17132.18202.1820
C32.51351.53094.28212.80122.80122.16802.16801.09441.09591.0959
Br41.95922.88594.28212.48472.48473.02663.02665.05674.61374.6137
H51.09092.17902.80122.48471.78262.50693.06993.80163.16852.6228
H61.09092.17902.80122.48471.78263.06992.50693.80162.62283.1685
H72.14521.09532.16803.02662.50693.06991.76112.50463.08502.5288
H82.14521.09532.16803.02663.06992.50691.76112.50462.52883.0850
H93.46612.17131.09445.05673.80163.80162.50462.50461.77031.7703
H102.78002.18201.09594.61373.16852.62283.08502.52881.77031.7730
H112.78002.18201.09594.61372.62283.16852.52883.08501.77031.7730

picture of n-propyl bromide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 110.981 C1 C2 H7 109.190
C1 C2 H8 109.190 C2 C1 Br4 111.497
C2 C1 H5 112.141 C2 C1 H6 112.141
C2 C3 H9 110.494 C2 C3 H10 111.259
C2 C3 H11 111.259 C3 C2 H7 110.182
C3 C2 H8 110.182 Br4 C1 H5 105.542
Br4 C1 H6 105.542 H5 C1 H6 109.572
H7 C2 H8 107.023 H9 C3 H10 107.850
H9 C3 H11 107.850 H10 C3 H11 107.985
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.326      
2 C -0.300      
3 C -0.508      
4 Br -0.154      
5 H 0.206      
6 H 0.206      
7 H 0.180      
8 H 0.180      
9 H 0.179      
10 H 0.168      
11 H 0.168      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.326 1.837 0.000 2.265
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.247 0.057 0.000
y 0.057 -37.366 0.000
z 0.000 0.000 -38.138
Traceless
 xyz
x -0.494 0.057 0.000
y 0.057 0.826 0.000
z 0.000 0.000 -0.331
Polar
3z2-r2-0.663
x2-y2-0.880
xy0.057
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.680 1.660 0.000
y 1.660 8.034 0.000
z 0.000 0.000 5.984


<r2> (average value of r2) Å2
<r2> 206.573
(<r2>)1/2 14.373