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All results from a given calculation for NH2CONHC2H5 (Urea, ethyl-)

using model chemistry: B3LYP/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3LYP/6-31+G**
 hartrees
Energy at 0K-303.919591
Energy at 298.15K-303.929879
Nuclear repulsion energy243.196518
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 B3LYP/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 3716 3583 41.28      
2 A 3635 3504 34.98      
3 A 3591 3462 22.96      
4 A 3126 3014 24.41      
5 A 3114 3002 30.59      
6 A 3044 2935 21.85      
7 A 3030 2922 29.57      
8 A 3003 2895 45.82      
9 A 1770 1707 587.49      
10 A 1629 1571 168.31      
11 A 1534 1479 3.57      
12 A 1510 1456 6.32      
13 A 1500 1447 8.15      
14 A 1462 1410 21.56      
15 A 1434 1382 250.18      
16 A 1422 1371 55.16      
17 A 1365 1316 29.70      
18 A 1302 1256 2.91      
19 A 1196 1153 19.05      
20 A 1167 1125 1.46      
21 A 1118 1078 28.11      
22 A 1063 1025 15.76      
23 A 992 956 2.12      
24 A 897 865 2.30      
25 A 825 796 0.77      
26 A 762 735 39.14      
27 A 587 566 46.11      
28 A 551 531 10.86      
29 A 521 502 122.77      
30 A 473 456 20.29      
31 A 373 359 143.64      
32 A 361 348 11.18      
33 A 266 256 2.20      
34 A 197 189 3.88      
35 A 102 99 5.57      
36 A 49 47 0.66      

Unscaled Zero Point Vibrational Energy (zpe) 26342.2 cm-1
Scaled (by 0.9642) Zero Point Vibrational Energy (zpe) 25399.1 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 B3LYP/6-31+G**
ABC
0.28494 0.06621 0.05503

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31+G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.633 -0.223 0.002
H2 -2.715 -0.988 0.783
H3 -3.451 0.489 0.146
H4 -2.768 -0.706 -0.971
C5 -1.287 0.495 0.076
H6 -1.257 1.274 -0.699
H7 -1.184 0.997 1.048
N8 -0.193 -0.449 -0.136
H9 -0.393 -1.434 -0.033
N10 1.486 1.171 0.044
H11 2.474 1.344 -0.068
H12 0.873 1.865 -0.358
C13 1.151 -0.173 -0.017
O14 1.998 -1.061 0.054

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 N8 H9 N10 H11 H12 C13 O14
C11.09581.09381.09501.52702.15032.16432.45422.54694.34855.34284.09613.78424.7071
H21.09581.76891.77722.17583.07122.52072.73702.50084.77985.75194.72284.03024.7696
H31.09381.76891.77292.16472.47802.49263.40163.61694.98455.99034.56494.65185.6663
H41.09501.77721.77292.17482.50473.08042.71872.65504.75865.70044.49854.06784.8880
C51.52702.17582.16472.17481.09931.09941.46012.12912.85443.85892.59432.52953.6355
H62.15033.07122.47802.50471.09931.77082.10152.91952.84393.78532.23672.89094.0765
H72.16432.52072.49263.08041.09941.77082.11542.77632.85743.84032.63782.82043.9180
N82.45422.73703.40162.71871.46012.10152.11541.01092.33983.21472.55711.37702.2835
H92.54692.50083.61692.65502.12912.91952.77631.01093.21293.99273.54861.99352.4222
N104.34854.77984.98454.75862.85442.84392.85742.33983.21291.00981.00961.38652.2897
H115.34285.75195.99035.70043.85893.78533.84033.21473.99271.00981.70902.01402.4544
H124.09614.72284.56494.49852.59432.23672.63782.55713.54861.00961.70902.08513.1619
C133.78424.03024.65184.06782.52952.89092.82041.37701.99351.38652.01402.08511.2295
O144.70714.76965.66634.88803.63554.07653.91802.28352.42222.28972.45443.16191.2295

picture of Urea, ethyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C5 H6 108.831 C1 C5 H7 109.915
C1 C5 N8 110.467 H2 C1 H3 107.773
H2 C1 H4 108.432 H2 C1 C5 111.037
H3 C1 H4 108.190 H3 C1 C5 110.282
H4 C1 C5 111.014 C5 N8 H9 117.848
C5 N8 C13 126.114 H6 C5 H7 107.292
H6 C5 N8 109.579 H7 C5 N8 110.683
N8 C13 N10 115.701 N8 C13 O14 122.245
H9 N8 C13 112.288 N10 C13 O14 122.042
H11 N10 H12 115.624 H11 N10 C13 113.448
H12 N10 C13 120.144
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.620     -0.353
2 H 0.160     0.106
3 H 0.155     0.074
4 H 0.166     0.098
5 C -0.068     0.482
6 H 0.130     -0.035
7 H 0.156     -0.034
8 N -0.449     -0.795
9 H 0.313     0.357
10 N -0.597     -0.914
11 H 0.321     0.390
12 H 0.276     0.359
13 C 0.625     0.920
14 O -0.567     -0.654


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -3.554 2.942 -0.558 4.647
CHELPG        
AIM        
ESP -3.531 2.894 -0.606 4.605


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -39.630 7.480 -1.515
y 7.480 -35.931 -1.759
z -1.515 -1.759 -39.060
Traceless
 xyz
x -2.134 7.480 -1.515
y 7.480 3.414 -1.759
z -1.515 -1.759 -1.280
Polar
3z2-r2-2.559
x2-y2-3.699
xy7.480
xz-1.515
yz-1.759


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.296 -0.261 0.099
y -0.261 8.595 0.010
z 0.099 0.010 6.407


<r2> (average value of r2) Å2
<r2> 205.100
(<r2>)1/2 14.321