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 NH(C2H5)2 (diethylamine)

using model chemistry: G2

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at G2
 hartrees
Energy at 0K-213.339047
Energy at 298.15K-213.331035
HF Energy-212.314047
Nuclear repulsion energy189.174721
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' 3737 3521 0.39      
2 A' 3283 3093 81.59      
3 A' 3260 3071 120.77      
4 A' 3227 3040 43.56      
5 A' 3200 3015 23.77      
6 A' 3122 2942 185.08      
7 A' 1680 1582 0.02      
8 A' 1644 1549 2.45      
9 A' 1637 1542 8.38      
10 A' 1585 1493 2.17      
11 A' 1542 1453 0.16      
12 A' 1446 1363 5.99      
13 A' 1346 1268 2.66      
14 A' 1280 1206 20.30      
15 A' 1133 1067 5.93      
16 A' 973 917 4.80      
17 A' 898 846 6.18      
18 A' 838 790 85.14      
19 A' 453 427 0.56      
20 A' 278 262 1.59      
21 A' 201 190 0.94      
22 A' 122 115 1.78      
23 A" 3282 3092 11.19      
24 A" 3259 3070 33.94      
25 A" 3219 3033 1.68      
26 A" 3199 3014 40.89      
27 A" 3113 2933 5.70      
28 A" 1671 1574 34.20      
29 A" 1664 1567 8.06      
30 A" 1642 1547 3.45      
31 A" 1630 1536 10.68      
32 A" 1563 1473 8.86      
33 A" 1499 1412 32.95      
34 A" 1407 1325 2.80      
35 A" 1261 1188 50.91      
36 A" 1220 1149 9.33      
37 A" 1158 1091 0.46      
38 A" 1010 952 0.53      
39 A" 872 822 0.47      
40 A" 459 433 0.36      
41 A" 278 262 0.59      
42 A" 117 110 1.18      

Unscaled Zero Point Vibrational Energy (zpe) 35201.4 cm-1
Scaled (by 0.9422) Zero Point Vibrational Energy (zpe) 33166.8 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
0.59088 0.07050 0.06643

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)
N1 0.017 -0.289 0.000
C2 0.017 0.519 1.215
C3 0.017 0.519 -1.215
C4 0.017 -0.371 2.446
C5 0.017 -0.371 -2.446
H6 -0.822 -0.871 0.000
H7 -0.832 1.226 1.259
H8 0.928 1.129 1.202
H9 -0.832 1.226 -1.259
H10 0.928 1.129 -1.202
H11 0.062 0.225 3.362
H12 -0.892 -0.979 2.488
H13 0.876 -1.045 2.420
H14 0.062 0.225 -3.362
H15 -0.892 -0.979 -2.488
H16 0.876 -1.045 -2.420

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
N11.45921.45922.44732.44731.02152.14442.06962.14442.06963.40092.73732.67673.40092.73732.6767
C21.45922.43011.51933.76782.02821.10541.09592.70912.65352.16722.16612.15324.58644.09684.0493
C31.45922.43013.76781.51932.02822.70912.65351.10541.09594.58644.09684.04932.16722.16612.1532
C42.44731.51933.76784.89192.63382.16352.15144.12264.04791.09351.09461.09175.83835.05364.9866
C52.44733.76781.51934.89192.63384.12264.04792.16352.15145.83835.05364.98661.09351.09461.0917
H61.02152.02822.02822.63382.63382.44542.91652.44542.91653.64462.49122.96123.64462.49122.9612
H72.14441.10542.70912.16354.12262.44541.76322.51743.02642.49482.52483.06934.81144.34754.6480
H82.06961.09592.65352.15144.04792.91651.76323.02642.40332.49653.06772.49284.73194.62264.2244
H92.14442.70911.10544.12262.16352.44542.51743.02641.76324.81144.34754.64802.49482.52483.0693
H102.06962.65351.09594.04792.15142.91653.02642.40331.76324.73194.62264.22442.49653.06772.4928
H113.40092.16724.58641.09355.83833.64462.49482.49654.81144.73191.76721.77806.72336.04785.9749
H122.73732.16614.09681.09465.05362.49122.52483.06774.34754.62261.76721.77066.04784.97575.2168
H132.67672.15324.04931.09174.98662.96123.06932.49284.64804.22441.77801.77065.97495.21684.8396
H143.40094.58642.16725.83831.09353.64464.81144.73192.49482.49656.72336.04785.97491.76721.7780
H152.73734.09682.16615.05361.09462.49124.34754.62262.52483.06776.04784.97575.21681.76721.7706
H162.67674.04932.15324.98661.09172.96124.64804.22443.06932.49285.97495.21684.83961.77801.7706

picture of diethylamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C4 110.798 N1 C2 H7 112.332
N1 C2 H8 107.776 N1 C3 C5 110.798
N1 C3 H9 112.332 N1 C3 H10 107.776
C2 N1 C3 113.779 C2 N1 H6 109.124
C2 C4 H11 110.755 C2 C4 H12 111.130
C2 C4 H13 110.550 C3 N1 H6 109.124
C3 C5 H14 110.755 C3 C5 H15 111.130
C3 C5 H16 110.550 C4 C2 H7 109.738
C4 C2 H8 109.552 C5 C3 H8 151.038
C5 C3 H10 109.552 H7 C2 H8 106.507
H9 C3 H10 106.507 H11 C4 H12 107.641
H11 C4 H13 108.657 H12 C4 H13 107.998
H14 C5 H15 107.641 H14 C5 H16 108.657
H15 C5 H16 107.998
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability