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 CH2ClCH2CH3 (Propane, 1-chloro-)

using model chemistry: MP2=FULL/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes anti 1A'
1 2 no gauche 1A

Conformer 1 (anti)

Jump to S1C2
Energy calculated at MP2=FULL/STO-3G
 hartrees
Energy at 0K-571.055896
Energy at 298.15K-571.063442
Nuclear repulsion energy155.303816
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=FULL/STO-3G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3559 3164 1.56      
2 A' 3420 3040 1.83      
3 A' 3406 3028 0.86      
4 A' 3378 3003 2.31      
5 A' 1739 1546 0.79      
6 A' 1710 1520 0.20      
7 A' 1680 1493 0.89      
8 A' 1621 1441 0.92      
9 A' 1550 1378 2.02      
10 A' 1419 1261 34.04      
11 A' 1234 1097 0.02      
12 A' 1165 1036 0.81      
13 A' 1018 905 8.79      
14 A' 884 786 16.75      
15 A' 384 342 1.42      
16 A' 245 217 2.49      
17 A" 3559 3163 3.22      
18 A" 3536 3143 1.20      
19 A" 3525 3133 0.05      
20 A" 1732 1540 2.28      
21 A" 1453 1292 0.00      
22 A" 1385 1232 0.17      
23 A" 1207 1073 0.29      
24 A" 958 852 1.00      
25 A" 809 719 2.28      
26 A" 233 207 0.02      
27 A" 111 98 1.88      

Unscaled Zero Point Vibrational Energy (zpe) 23459.5 cm-1
Scaled (by 0.8889) Zero Point Vibrational Energy (zpe) 20853.1 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=FULL/STO-3G
ABC
0.83208 0.07571 0.07229

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.602 0.000
C2 0.921 -0.659 0.000
C3 2.426 -0.247 0.000
Cl4 -1.778 0.139 0.000
H5 0.173 1.224 0.901
H6 0.173 1.224 -0.901
H7 0.697 -1.271 -0.893
H8 0.697 -1.271 0.893
H9 3.066 -1.145 0.000
H10 2.668 0.351 -0.895
H11 2.668 0.351 0.895

Atom - Atom Distances (Å)
  C1 C2 C3 Cl4 H5 H6 H7 H8 H9 H10 H11
C11.56132.57001.83731.10861.10862.18912.18913.52892.82512.8251
C21.56131.55982.81452.21682.21681.10591.10592.19922.20712.2071
C32.57001.55984.22132.83692.83692.19892.19891.10311.10331.1033
Cl41.83732.81454.22132.40772.40772.98502.98505.01124.54004.5400
H51.10862.21682.83692.40771.80293.11732.54913.84593.19522.6426
H61.10862.21682.83692.40771.80292.54913.11733.84592.64263.1952
H72.18911.10592.19892.98503.11732.54911.78602.53492.55303.1166
H82.18911.10592.19892.98502.54913.11731.78602.53493.11662.5530
H93.52892.19921.10315.01123.84593.84592.53492.53491.78851.7885
H102.82512.20711.10334.54003.19522.64262.55303.11661.78851.7893
H112.82512.20711.10334.54002.64263.19523.11662.55301.78851.7893

picture of Propane, 1-chloro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 110.860 C1 C2 H7 109.122
C1 C2 H8 109.122 C2 C1 Cl4 111.556
C2 C1 H5 111.124 C2 C1 H6 111.124
C2 C3 H9 110.181 C2 C3 H10 110.787
C2 C3 H11 110.787 C3 C2 H7 109.986
C3 C2 H8 109.986 Cl4 C1 H5 107.021
Cl4 C1 H6 107.021 H5 C1 H6 108.806
H7 C2 H8 107.699 H9 C3 H10 108.316
H9 C3 H11 108.316 H10 C3 H11 108.370
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (gauche)

Jump to S1C1
Energy calculated at MP2=FULL/STO-3G
 hartrees
Energy at 0K-571.055587
Energy at 298.15K-571.063229
Nuclear repulsion energy159.442185
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=FULL/STO-3G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A 3566 3170 0.99      
2 A 3560 3164 2.51      
3 A 3529 3137 0.93      
4 A 3521 3130 0.46      
5 A 3409 3030 1.87      
6 A 3405 3027 1.21      
7 A 3382 3006 2.21      
8 A 1737 1544 1.16      
9 A 1730 1537 2.06      
10 A 1700 1511 0.16      
11 A 1675 1489 1.17      
12 A 1622 1442 0.26      
13 A 1549 1377 4.18      
14 A 1484 1319 32.95      
15 A 1421 1263 4.45      
16 A 1362 1211 1.02      
17 A 1227 1091 1.60      
18 A 1198 1065 1.13      
19 A 1168 1039 1.49      
20 A 1007 895 6.36      
21 A 955 849 4.78      
22 A 887 788 10.20      
23 A 782 695 4.33      
24 A 445 396 1.21      
25 A 294 261 0.91      
26 A 211 187 0.94      
27 A 125 111 1.26      

Unscaled Zero Point Vibrational Energy (zpe) 23474.1 cm-1
Scaled (by 0.8889) Zero Point Vibrational Energy (zpe) 20866.1 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=FULL/STO-3G
ABC
0.38041 0.10579 0.09097

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/STO-3G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.188 0.902 0.317
C2 -1.178 0.577 -0.369
C3 -1.825 -0.740 0.152
Cl4 1.474 -0.352 -0.071
H5 0.581 1.879 -0.029
H6 0.084 0.927 1.421
H7 -1.854 1.431 -0.171
H8 -1.026 0.517 -1.463
H9 -2.788 -0.917 -0.355
H10 -1.164 -1.601 -0.043
H11 -2.009 -0.681 1.238

Atom - Atom Distances (Å)
  C1 C2 C3 Cl4 H5 H6 H7 H8 H9 H10 H11
C11.56252.60301.83791.10861.10872.16522.18893.55232.86682.8597
C21.56251.55742.82582.21472.21801.10751.10602.19702.20162.2037
C32.60301.55743.32973.56132.83482.19542.19751.10291.10261.1032
Cl41.83792.82583.32972.40372.40703.77732.99094.30952.91883.7355
H51.10862.21473.56132.40371.80362.48002.54854.39073.89253.8554
H61.10872.21802.83482.40701.80362.55843.11733.84813.17662.6457
H72.16521.10752.19543.77732.48002.55841.78602.53393.11182.5437
H82.18891.10602.19752.99092.54853.11731.78602.52832.55343.1143
H93.55232.19701.10294.30954.39073.84812.53392.52831.78991.7894
H102.86682.20161.10262.91883.89253.17663.11182.55341.78991.7896
H112.85972.20371.10323.73553.85542.64572.54373.11431.78941.7896

picture of Propane, 1-chloro- state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 113.091 C1 C2 H7 107.143
C1 C2 H8 109.016 C2 C1 Cl4 112.150
C2 C1 H5 110.868 C2 C1 H6 111.125
C2 C3 H9 110.176 C2 C3 H10 110.554
C2 C3 H11 110.684 C3 C2 H7 109.790
C3 C2 H8 110.035 Cl4 C1 H5 106.696
Cl4 C1 H6 106.932 H5 C1 H6 108.867
H7 C2 H8 107.582 H9 C3 H10 108.499
H9 C3 H11 108.413 H10 C3 H11 108.447
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability