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 C3H7N (Cyclopropylamine)

using model chemistry: MP2=FULL/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at MP2=FULL/3-21G
 hartrees
Energy at 0K-171.497947
Energy at 298.15K-171.506432
HF Energy-171.114869
Nuclear repulsion energy124.058506
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/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 3439 3283 1.53      
2 A 3315 3165 10.82      
3 A 3211 3066 4.27      
4 A 3131 2989 45.45      
5 A 1756 1677 9.25      
6 A 1556 1486 5.29      
7 A 1443 1378 22.11      
8 A 1220 1164 4.84      
9 A 1194 1140 1.25      
10 A 1135 1084 26.27      
11 A 1003 957 6.32      
12 A 834 797 0.39      
13 A 788 753 26.40      
14 A 765 730 169.03      
15 A 408 389 6.51      
16 A 3539 3379 0.03      
17 A 3300 3151 0.23      
18 A 3204 3059 10.54      
19 A 1539 1470 3.10      
20 A 1318 1259 0.90      
21 A 1245 1189 0.02      
22 A 1200 1145 0.52      
23 A 1145 1094 3.69      
24 A 915 874 2.16      
25 A 848 810 9.10      
26 A 411 393 11.87      
27 A 295 282 44.41      

Unscaled Zero Point Vibrational Energy (zpe) 22078.5 cm-1
Scaled (by 0.9548) Zero Point Vibrational Energy (zpe) 21080.5 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/3-21G
ABC
0.53057 0.22127 0.19092

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.553 0.000
H2 -0.405 1.565 0.000
N3 1.448 0.348 0.000
C4 -0.805 -0.493 0.766
C5 -0.805 -0.493 -0.766
H6 1.887 0.735 0.838
H7 1.887 0.735 -0.838
H8 -1.704 -0.177 1.280
H9 -1.704 -0.177 -1.280
H10 -0.217 -1.261 1.251
H11 -0.217 -1.261 -1.251

Atom - Atom Distances (Å)
  C1 H2 N3 C4 C5 H6 H7 H8 H9 H10 H11
C11.09071.46191.52541.52542.07292.07292.25282.25282.21352.2135
H21.09072.21702.23172.23172.57832.57832.52212.52213.09603.0960
N31.46192.21702.52312.52311.02231.02233.44203.44202.63112.6311
C41.52542.23172.52311.53142.95953.36531.08302.25681.08192.2364
C51.52542.23172.52311.53143.36532.95952.25681.08302.23641.0819
H62.07292.57831.02232.95953.36531.67593.73164.26792.92913.5738
H72.07292.57831.02233.36532.95951.67594.26793.73163.57382.9291
H82.25282.52213.44201.08302.25683.73164.26792.56001.84023.1289
H92.25282.52213.44202.25681.08304.26793.73162.56003.12891.8402
H102.21353.09602.63111.08192.23642.92913.57381.84023.12892.5015
H112.21353.09602.63112.23641.08193.57382.92913.12891.84022.5015

picture of Cyclopropylamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H6 111.891 C1 N3 H7 111.891
C1 C4 C5 59.868 C1 C4 H8 118.481
C1 C4 H10 115.142 C1 C5 C4 59.868
C1 C5 H9 118.481 C1 C5 H11 115.142
H2 C1 N3 119.869 H2 C1 C4 116.111
H2 C1 C5 116.111 N3 C1 C4 115.242
N3 C1 C5 115.242 C4 C1 C5 60.263
C4 C5 H9 118.352 C4 C5 H11 116.635
C5 C4 H8 118.352 C5 C4 H10 116.635
H6 N3 H7 110.104 H8 C4 H10 116.427
H9 C5 H11 116.427
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability