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All results from a given calculation for CH3CHNH (ethanimine)

using model chemistry: G3

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS NH up 1A'
1 2 no CS NH down 1A'

Conformer 1 (CS NH up)

Jump to S1C2
Energy calculated at G3
 hartrees
Energy at 0K-133.835002
Energy at 298.15K-133.830060
HF Energy-133.073839
Nuclear repulsion energy71.417507
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 HF/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' 3723 3508 0.58      
2 A' 3314 3123 19.69      
3 A' 3230 3043 63.39      
4 A' 3199 3015 20.35      
5 A' 1922 1811 89.17      
6 A' 1618 1525 7.81      
7 A' 1585 1494 34.23      
8 A' 1540 1451 8.94      
9 A' 1388 1307 32.52      
10 A' 1158 1091 27.60      
11 A' 989 932 5.92      
12 A' 524 493 20.15      
13 A" 3251 3063 30.62      
14 A" 1623 1529 7.46      
15 A" 1256 1183 9.09      
16 A" 1184 1115 21.69      
17 A" 746 703 59.36      
18 A" 195 183 3.01      

Unscaled Zero Point Vibrational Energy (zpe) 16221.4 cm-1
Scaled (by 0.9422) Zero Point Vibrational Energy (zpe) 15283.8 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/6-31G*
ABC
1.76005 0.32711 0.29074

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.040 -0.622 0.000
C2 0.000 0.453 0.000
N3 1.248 0.169 0.000
H4 -0.553 -1.599 0.000
H5 -1.682 -0.533 0.882
H6 -1.682 -0.533 -0.882
H7 -0.391 1.481 0.000
H8 1.816 1.020 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7 H8
C11.49592.42071.09091.09481.09482.20163.2950
C21.49591.27952.12482.14022.14021.10071.9028
N32.42071.27952.52363.13933.13932.09991.0239
H41.09092.12482.52361.78541.78543.08453.5321
H51.09482.14023.13931.78541.76442.55033.9282
H61.09482.14023.13931.78541.76442.55033.9282
H72.20161.10072.09993.08452.55032.55032.2552
H83.29501.90281.02393.53213.92823.92822.2552

picture of ethanimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 121.959 C1 C2 H7 115.557
C2 C1 H4 110.058 C2 C1 H5 110.421
C2 C1 H6 110.421 C2 N3 H8 111.409
N3 C2 H7 122.484 H4 C1 H5 109.335
H4 C1 H6 109.335 H5 C1 H6 107.217
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS NH down)

Jump to S1C1
Energy calculated at G3
 hartrees
Energy at 0K-133.833952
Energy at 298.15K-133.839688
HF Energy-133.072800
Nuclear repulsion energy71.388014
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 HF/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' 3691 3478 2.18      
2 A' 3297 3107 69.78      
3 A' 3276 3086 2.83      
4 A' 3201 3016 14.55      
5 A' 1924 1812 94.13      
6 A' 1624 1530 21.75      
7 A' 1565 1475 17.19      
8 A' 1541 1452 6.25      
9 A' 1399 1318 69.88      
10 A' 1157 1090 24.75      
11 A' 978 922 1.16      
12 A' 529 499 10.19      
13 A" 3260 3071 23.48      
14 A" 1617 1523 7.23      
15 A" 1263 1190 45.83      
16 A" 1190 1121 19.64      
17 A" 760 716 18.88      
18 A" 178 167 0.42      

Unscaled Zero Point Vibrational Energy (zpe) 16224.3 cm-1
Scaled (by 0.9422) Zero Point Vibrational Energy (zpe) 15286.5 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/6-31G*
ABC
1.68289 0.32518 0.28705

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.030 -0.611 0.000
C2 0.000 0.482 0.000
N3 1.277 0.365 0.000
H4 -0.556 -1.596 0.000
H5 -1.674 -0.529 0.881
H6 -1.674 -0.529 -0.881
H7 -0.389 1.504 0.000
H8 1.531 -0.632 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7 H8
C11.50152.50461.09321.09471.09472.20962.5602
C21.50151.28232.15152.14462.14461.09331.8929
N32.50461.28232.68483.20663.20662.01801.0286
H41.09322.15152.68481.77921.77923.10462.2989
H51.09472.14463.20661.77921.76252.56083.3249
H61.09472.14463.20661.77921.76252.56083.3249
H72.20961.09332.01803.10462.56082.56082.8714
H82.56021.89291.02862.29893.32493.32492.8714

picture of ethanimine state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 127.614 C1 C2 H7 116.062
C2 C1 H4 111.713 C2 C1 H5 110.208
C2 C1 H6 110.208 C2 N3 H8 110.738
N3 C2 H7 116.325 H4 C1 H5 108.703
H4 C1 H6 108.703 H5 C1 H6 107.178
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability