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All results from a given calculation for C2H6N2O (Urea, methyl-)

using model chemistry: B1B95/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B1B95/6-31G*
 hartrees
Energy at 0K-264.454328
Energy at 298.15K-264.462494
Nuclear repulsion energy183.365487
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 B1B95/6-31G*
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 3731 3542 32.89      
2 A 3684 3497 39.23      
3 A 3613 3430 20.81      
4 A 3182 3020 14.83      
5 A 3106 2949 38.30      
6 A 3051 2896 47.04      
7 A 1863 1769 454.13      
8 A 1667 1582 148.31      
9 A 1552 1474 39.90      
10 A 1519 1442 12.55      
11 A 1517 1440 78.47      
12 A 1475 1400 42.67      
13 A 1431 1359 100.76      
14 A 1227 1165 5.62      
15 A 1169 1110 16.43      
16 A 1157 1099 14.44      
17 A 1097 1042 27.28      
18 A 912 866 4.29      
19 A 786 746 75.99      
20 A 611 580 44.51      
21 A 574 545 163.48      
22 A 542 514 15.32      
23 A 494 469 35.81      
24 A 400 380 125.95      
25 A 280 266 2.98      
26 A 163 155 3.58      
27 A 112 106 6.05      

Unscaled Zero Point Vibrational Energy (zpe) 20457.5 cm-1
Scaled (by 0.9493) Zero Point Vibrational Energy (zpe) 19420.3 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 B1B95/6-31G*
ABC
0.32989 0.14055 0.10136

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.860 0.044 0.086
H2 -2.081 0.765 -0.709
H3 -2.679 -0.675 0.097
H4 -1.852 0.577 1.043
H5 -0.614 -1.659 -0.042
N6 -0.626 -0.660 -0.165
C7 0.623 -0.111 -0.020
H8 -0.081 1.785 -0.432
H9 1.568 1.647 -0.066
N10 0.640 1.270 0.049
O11 1.632 -0.788 0.066

Atom - Atom Distances (Å)
  C1 H2 H3 H4 H5 N6 C7 H8 H9 N10 O11
C11.09621.08961.09572.11381.44252.49012.54253.78732.78493.5897
H21.09621.75541.77742.91092.10812.92452.26193.80862.86964.0985
H31.08961.75541.77372.29122.06933.35183.61654.84283.84724.3124
H41.09571.77741.77372.77672.11962.78042.60253.75122.77143.8676
H52.11382.91092.29122.77671.00671.98273.50693.96193.18772.4120
N61.44252.10812.06932.11961.00671.37252.51923.18562.31822.2735
C72.49012.92453.35182.78041.98271.37252.06331.99611.38201.2183
H82.54252.26193.61652.60253.50692.51922.06331.69461.00853.1307
H93.78733.80864.84283.75123.96193.18561.99611.69461.00802.4397
N102.78492.86963.84722.77143.18772.31821.38201.00851.00802.2842
O113.58974.09854.31243.86762.41202.27351.21833.13072.43972.2842

picture of Urea, methyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N6 H5 118.231 C1 N6 C7 124.386
H2 C1 H3 106.853 H2 C1 H4 108.367
H2 C1 N6 111.550 H3 C1 H4 108.515
H3 C1 N6 108.819 H4 C1 N6 112.538
H5 N6 C7 111.968 N6 C7 N10 114.621
N6 C7 O11 122.579 C7 N10 H8 118.501
C7 N10 H9 112.326 H8 N10 H9 114.357
N10 C7 O11 122.785
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.357      
2 H 0.168      
3 H 0.185      
4 H 0.187      
5 H 0.355      
6 N -0.618      
7 C 0.699      
8 H 0.338      
9 H 0.357      
10 N -0.784      
11 O -0.530      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -3.394 1.894 -0.657 3.942
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.789 5.205 -0.941
y 5.205 -25.755 -2.157
z -0.941 -2.157 -31.157
Traceless
 xyz
x -2.333 5.205 -0.941
y 5.205 5.218 -2.157
z -0.941 -2.157 -2.885
Polar
3z2-r2-5.770
x2-y2-5.034
xy5.205
xz-0.941
yz-2.157


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.822 -0.124 0.169
y -0.124 5.834 -0.084
z 0.169 -0.084 3.439


<r2> (average value of r2) Å2
<r2> 117.541
(<r2>)1/2 10.842