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

using model chemistry: B3PW91/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3PW91/6-31G*
 hartrees
Energy at 0K-303.772604
Energy at 298.15K-303.783011
Nuclear repulsion energy243.987588
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 B3PW91/6-31G*
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 3708 3548 30.18      
2 A 3634 3477 27.48      
3 A 3591 3436 18.02      
4 A 3153 3017 22.32      
5 A 3139 3003 29.69      
6 A 3063 2931 19.56      
7 A 3049 2917 35.13      
8 A 3019 2888 43.44      
9 A 1837 1758 452.35      
10 A 1657 1586 155.66      
11 A 1553 1486 2.49      
12 A 1529 1462 4.95      
13 A 1519 1454 7.58      
14 A 1476 1412 31.61      
15 A 1458 1395 241.29      
16 A 1437 1375 27.70      
17 A 1373 1313 21.57      
18 A 1313 1256 3.96      
19 A 1217 1165 20.28      
20 A 1175 1124 1.56      
21 A 1142 1092 24.99      
22 A 1080 1034 14.20      
23 A 1005 962 1.49      
24 A 909 870 2.07      
25 A 829 793 0.89      
26 A 780 746 74.59      
27 A 607 580 64.44      
28 A 574 549 109.71      
29 A 553 529 51.98      
30 A 497 476 42.93      
31 A 398 381 106.07      
32 A 361 346 0.33      
33 A 275 263 2.76      
34 A 195 187 2.73      
35 A 115 110 7.57      
36 A 49 47 0.24      

Unscaled Zero Point Vibrational Energy (zpe) 26634.6 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 25481.3 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 B3PW91/6-31G*
ABC
0.28474 0.06694 0.05567

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.619 -0.220 0.016
H2 -2.686 -1.012 0.772
H3 -3.435 0.485 0.199
H4 -2.771 -0.672 -0.970
C5 -1.274 0.490 0.087
H6 -1.264 1.299 -0.659
H7 -1.147 0.961 1.073
N8 -0.194 -0.442 -0.191
H9 -0.393 -1.425 -0.060
N10 1.471 1.171 0.053
H11 2.463 1.332 -0.047
H12 0.890 1.838 -0.436
C13 1.147 -0.174 -0.022
O14 1.985 -1.059 0.076

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 N8 H9 N10 H11 H12 C13 O14
C11.09641.09431.09541.52202.14442.16322.44372.53154.32025.31454.09263.76644.6802
H21.09641.76951.77702.17173.06722.52042.73122.47324.74995.71684.72914.00294.7228
H31.09431.76951.77412.16332.47182.49483.39343.60084.95565.96384.57534.63455.6372
H41.09541.77701.77412.16942.50023.07882.70222.65504.73705.68074.47044.06204.8854
C51.52202.17172.16332.16941.10021.10041.45352.11242.82893.83402.60272.51333.6090
H62.14443.06722.47182.50021.10021.76802.09652.92132.82903.77742.23132.89644.0814
H72.16322.52042.49483.07881.10041.76802.11522.74642.81733.79812.68182.78393.8583
N82.44372.73123.39342.70221.45352.09652.11521.01092.33143.19892.53641.37812.2805
H92.53152.47323.60082.65502.11242.92132.74641.01093.19813.97043.52591.98452.4103
N104.32024.74994.95564.73702.82892.82902.81732.33143.19811.01041.01071.38602.2892
H115.31455.71685.96385.68073.83403.77743.79813.19893.97041.01041.69802.00102.4424
H124.09264.72914.57534.47042.60272.23132.68182.53643.52591.01071.69802.07043.1394
C133.76644.00294.63454.06202.51332.89642.78391.37811.98451.38602.00102.07041.2228
O144.68024.72285.63724.88543.60904.08143.85832.28052.41032.28922.44243.13941.2228

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 108.661 C1 C5 H7 110.112
C1 C5 N8 110.400 H2 C1 H3 107.745
H2 C1 H4 108.333 H2 C1 C5 111.030
H3 C1 H4 108.229 H3 C1 C5 110.486
H4 C1 C5 110.904 C5 N8 H9 116.858
C5 N8 C13 125.123 H6 C5 H7 106.913
H6 C5 N8 109.586 H7 C5 N8 111.076
N8 C13 N10 115.012 N8 C13 O14 122.414
H9 N8 C13 111.413 N10 C13 O14 122.563
H11 N10 H12 114.311 H11 N10 C13 112.284
H12 N10 C13 118.665
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.544     -0.449
2 H 0.181     0.130
3 H 0.184     0.104
4 H 0.187     0.124
5 C -0.159     0.443
6 H 0.162     -0.021
7 H 0.183     -0.022
8 N -0.630     -0.761
9 H 0.353     0.357
10 N -0.793     -0.919
11 H 0.359     0.393
12 H 0.342     0.372
13 C 0.708     0.836
14 O -0.533     -0.587


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -3.042 2.597 -0.654 4.052
CHELPG        
AIM        
ESP -3.064 2.587 -0.702 4.071


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.522 6.877 -1.768
y 6.877 -34.381 -1.939
z -1.768 -1.939 -37.536
Traceless
 xyz
x -1.564 6.877 -1.768
y 6.877 3.148 -1.939
z -1.768 -1.939 -1.584
Polar
3z2-r2-3.169
x2-y2-3.142
xy6.877
xz-1.768
yz-1.939


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.000 0.000 0.000
y 0.000 0.000 0.000
z 0.000 0.000 0.000


<r2> (average value of r2) Å2
<r2> 202.224
(<r2>)1/2 14.221