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All results from a given calculation for CH3CH2CH2Br (n-propyl bromide)

using model chemistry: MP2/SDD

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/SDD
 hartrees
Energy at 0K-131.070778
Energy at 298.15K-131.081178
HF Energy-130.775852
Nuclear repulsion energy105.909389
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 MP2/SDD
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' 3124 3015 43.23      
2 A' 3092 2985 31.71      
3 A' 3053 2947 16.34      
4 A' 3017 2912 36.90      
5 A' 1544 1490 7.95      
6 A' 1532 1479 2.45      
7 A' 1507 1454 2.01      
8 A' 1459 1408 8.01      
9 A' 1406 1357 7.45      
10 A' 1324 1278 40.69      
11 A' 1134 1095 4.43      
12 A' 1044 1008 3.46      
13 A' 910 878 9.46      
14 A' 647 624 18.87      
15 A' 302 292 1.31      
16 A' 209 202 1.40      
17 A" 3179 3069 23.02      
18 A" 3124 3016 57.12      
19 A" 3103 2995 0.25      
20 A" 1537 1484 10.77      
21 A" 1341 1295 0.21      
22 A" 1282 1237 0.38      
23 A" 1088 1050 3.82      
24 A" 887 856 0.04      
25 A" 780 753 6.28      
26 A" 234 226 0.05      
27 A" 110 106 0.65      

Unscaled Zero Point Vibrational Energy (zpe) 20982.1 cm-1
Scaled (by 0.9653) Zero Point Vibrational Energy (zpe) 20254.0 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 MP2/SDD
ABC
0.81462 0.05166 0.04998

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/SDD

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.874 0.000
C2 1.538 0.702 0.000
C3 2.248 2.095 0.000
Br4 -0.942 -0.925 0.000
H5 -0.355 1.392 0.904
H6 -0.355 1.392 -0.904
H7 1.846 0.125 0.891
H8 1.846 0.125 -0.891
H9 3.345 1.965 0.000
H10 1.972 2.682 -0.895
H11 1.972 2.682 0.895

Atom - Atom Distances (Å)
  C1 C2 C3 Br4 H5 H6 H7 H8 H9 H10 H11
C11.54752.55752.03141.10071.10072.18212.18213.51802.82072.8207
C21.54751.56312.96652.20842.20841.10531.10532.20452.21572.2157
C32.55751.56314.39282.84372.84372.19932.19931.10471.10571.1057
Br42.03142.96654.39282.55552.55553.10933.10935.17044.72284.7228
H51.10072.20842.84372.55551.80862.53953.10993.85173.21232.6607
H61.10072.20842.84372.55551.80863.10992.53953.85172.66073.2123
H72.18211.10532.19933.10932.53953.10991.78172.53563.12192.5603
H82.18211.10532.19933.10933.10992.53951.78172.53562.56033.1219
H93.51802.20451.10475.17043.85173.85172.53562.53561.78881.7888
H102.82072.21571.10574.72283.21232.66073.12192.56031.78881.7910
H112.82072.21571.10574.72282.66073.21232.56033.12191.78881.7910

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 110.612 C1 C2 H7 109.557
C1 C2 H8 109.557 C2 C1 Br4 111.248
C2 C1 H5 111.905 C2 C1 H6 111.905
C2 C3 H9 110.272 C2 C3 H10 111.086
C2 C3 H11 111.086 C3 C2 H7 109.825
C3 C2 H8 109.825 Br4 C1 H5 105.464
Br4 C1 H6 105.464 H5 C1 H6 110.479
H7 C2 H8 107.405 H9 C3 H10 108.057
H9 C3 H11 108.057 H10 C3 H11 108.170
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability