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: BLYP/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at BLYP/cc-pVTZ
 hartrees
Energy at 0K-2692.733585
Energy at 298.15K-2692.743856
HF Energy-2692.733585
Nuclear repulsion energy232.349766
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 BLYP/cc-pVTZ
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' 3020 3011 37.45      
2 A' 3014 3005 9.53      
3 A' 2970 2961 12.11      
4 A' 2957 2948 24.40      
5 A' 1477 1472 5.46      
6 A' 1461 1457 1.21      
7 A' 1449 1444 1.07      
8 A' 1379 1374 1.32      
9 A' 1318 1314 2.12      
10 A' 1211 1207 44.28      
11 A' 1076 1073 1.37      
12 A' 982 979 2.54      
13 A' 872 869 9.80      
14 A' 607 605 27.84      
15 A' 291 290 2.26      
16 A' 203 202 1.63      
17 A" 3071 3062 11.78      
18 A" 3016 3007 40.09      
19 A" 2991 2982 0.02      
20 A" 1465 1460 6.81      
21 A" 1284 1281 0.04      
22 A" 1208 1204 0.35      
23 A" 1022 1019 1.71      
24 A" 835 832 0.00      
25 A" 732 730 3.82      
26 A" 226 225 0.03      
27 A" 109 108 0.76      

Unscaled Zero Point Vibrational Energy (zpe) 20121.4 cm-1
Scaled (by 0.997) Zero Point Vibrational Energy (zpe) 20061.0 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 BLYP/cc-pVTZ
ABC
0.84050 0.05249 0.05082

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.857 0.000
C2 1.519 0.717 0.000
C3 2.208 2.098 0.000
Br4 -0.927 -0.926 0.000
H5 -0.376 1.362 0.893
H6 -0.376 1.362 -0.893
H7 1.832 0.143 0.881
H8 1.832 0.143 -0.881
H9 3.299 1.982 0.000
H10 1.935 2.684 -0.887
H11 1.935 2.684 0.887

Atom - Atom Distances (Å)
  C1 C2 C3 Br4 H5 H6 H7 H8 H9 H10 H11
C11.52512.53302.00961.09221.09222.15502.15503.48492.80522.8052
C21.52511.54392.94602.19142.19141.09731.09732.18362.19792.1979
C32.53301.54394.35582.83132.83132.17772.17771.09661.09771.0977
Br42.00962.94604.35582.51672.51673.08703.08705.12914.69144.6914
H51.09222.19142.83132.51671.78572.52243.08353.83183.20272.6625
H61.09222.19142.83132.51671.78573.08352.52243.83182.66253.2027
H72.15501.09732.17773.08702.52243.08351.76172.51173.09782.5438
H82.15501.09732.17773.08703.08352.52241.76172.51172.54383.0978
H93.48492.18361.09665.12913.83183.83182.51172.51171.77181.7718
H102.80522.19791.09774.69143.20272.66253.09782.54381.77181.7743
H112.80522.19791.09774.69142.66253.20272.54383.09781.77181.7743

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 111.241 C1 C2 H7 109.437
C1 C2 H8 109.437 C2 C1 Br4 112.183
C2 C1 H5 112.654 C2 C1 H6 112.654
C2 C3 H9 110.425 C2 C3 H10 111.498
C2 C3 H11 111.498 C3 C2 H7 109.920
C3 C2 H8 109.920 Br4 C1 H5 104.544
Br4 C1 H6 104.544 H5 C1 H6 109.664
H7 C2 H8 106.782 H9 C3 H10 107.702
H9 C3 H11 107.702 H10 C3 H11 107.846
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.142      
2 C -0.123      
3 C -0.281      
4 Br -0.153      
5 H 0.115      
6 H 0.115      
7 H 0.097      
8 H 0.097      
9 H 0.098      
10 H 0.089      
11 H 0.089      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.363 1.886 0.000 2.327
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -39.313 0.080 0.000
y 0.080 -38.686 0.000
z 0.000 0.000 -39.250
Traceless
 xyz
x -0.345 0.080 0.000
y 0.080 0.595 0.000
z 0.000 0.000 -0.251
Polar
3z2-r2-0.501
x2-y2-0.627
xy0.080
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.442 2.242 0.000
y 2.242 9.867 0.000
z 0.000 0.000 6.915


<r2> (average value of r2) Å2
<r2> 213.651
(<r2>)1/2 14.617