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All results from a given calculation for CH3CHNH (ethanimine)

using model chemistry: MP3/6-31+G**

19 10 17 12 22

States and conformations

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

Conformer 1 (CS NH up)

Jump to S1C2
Energy calculated at MP3/6-31+G**
 hartrees
Energy at 0K-133.558741
Energy at 298.15K 
HF Energy-133.083184
Nuclear repulsion energy70.929484
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 MP3/6-31+G**
Rotational Constants (cm-1) from geometry optimized at MP3/6-31+G**
ABC
1.77849 0.32731 0.29129

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.036 -0.632 0.000
C2 0.000 0.452 0.000
N3 1.244 0.180 0.000
H4 -0.548 -1.603 0.000
H5 -1.675 -0.546 0.879
H6 -1.675 -0.546 -0.879
H7 -0.392 1.474 0.000
H8 1.795 1.036 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7 H8
C11.49942.42031.08611.09021.09022.20243.2859
C21.49941.27362.12692.13922.13921.09481.8879
N32.42031.27362.52843.13443.13442.08651.0179
H41.08612.12692.52841.77701.77703.08103.5294
H51.09022.13923.13441.77701.75702.54973.9143
H61.09022.13923.13441.77701.75702.54973.9143
H72.20241.09482.08653.08102.54972.54972.2312
H83.28591.88791.01793.52943.91433.91432.2312

picture of ethanimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 121.357 C1 C2 H7 115.309
C2 C1 H4 109.661 C2 C1 H5 110.399
C2 C1 H6 110.399 C2 N3 H8 110.447
N3 C2 H7 123.334 H4 C1 H5 109.480
H4 C1 H6 109.480 H5 C1 H6 107.386
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS NH down)

Jump to S1C1
Energy calculated at MP3/6-31+G**
 hartrees
Energy at 0K-133.565933
Energy at 298.15K-133.571395
HF Energy-133.086618
Nuclear repulsion energy70.836609
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 MP3/6-31+G**
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' 3529 3283 5.31      
2 A' 3222 2998 35.18      
3 A' 3199 2977 12.32      
4 A' 3122 2905 9.94      
5 A' 1776 1652 56.97      
6 A' 1536 1429 22.27      
7 A' 1476 1373 15.77      
8 A' 1452 1351 3.73      
9 A' 1314 1223 44.06      
10 A' 1100 1024 20.15      
11 A' 943 877 2.32      
12 A' 501 466 10.55      
13 A" 3202 2980 11.77      
14 A" 1522 1417 8.80      
15 A" 1177 1095 49.45      
16 A" 1103 1026 9.17      
17 A" 699 650 12.65      
18 A" 165 153 0.31      

Unscaled Zero Point Vibrational Energy (zpe) 15518.5 cm-1
Scaled (by 0.9305) Zero Point Vibrational Energy (zpe) 14440.0 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 MP3/6-31+G**
ABC
1.68000 0.32749 0.28868

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.025 -0.615 0.000
C2 0.000 0.487 0.000
N3 1.270 0.365 0.000
H4 -0.548 -1.594 0.000
H5 -1.665 -0.534 0.879
H6 -1.665 -0.534 -0.879
H7 -0.392 1.501 0.000
H8 1.525 -0.624 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7 H8
C11.50462.49591.08901.09031.09032.20912.5494
C21.50461.27632.15152.14152.14151.08811.8861
N32.49591.27632.67293.19343.19342.01381.0212
H41.08902.15152.67291.77311.77313.09952.2881
H51.09032.14153.19341.77311.75782.55663.3096
H61.09032.14153.19341.77311.75782.55663.3096
H72.20911.08812.01383.09952.55662.55662.8620
H82.54941.88611.02122.28813.30963.30962.8620

picture of ethanimine state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 127.472 C1 C2 H7 115.946
C2 C1 H4 111.088 C2 C1 H5 110.211
C2 C1 H6 110.211 C2 N3 H8 109.865
N3 C2 H7 116.582 H4 C1 H5 108.900
H4 C1 H6 108.900 H5 C1 H6 107.440
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability